[{"data":1,"prerenderedAt":9377},["ShallowReactive",2],{"navigation_docs":3,"-csharp-ef-core-first-project":2949,"-csharp-ef-core-first-project-surround":9372},[4,1640,1765,2219,2352,2559,2641,2691,2748,2782,2908,2945],{"title":5,"icon":6,"path":7,"stem":8,"children":9},"C#","i-devicon-csharp","/csharp","01.csharp",[10,13,60,90,120,202,219,253,379,404,457,650,1346,1636],{"title":11,"path":7,"stem":12},"C# Roadmap","01.csharp/index",{"title":14,"icon":15,"path":16,"stem":17,"children":18,"page":59},"Fundamentals","i-lucide-book-open","/csharp/fundamentals","01.csharp/01.fundamentals",[19,23,27,31,35,39,43,47,51,55],{"title":20,"path":21,"stem":22},"Вступ до екосистеми .NET","/csharp/fundamentals/introduction-to-ecosystem","01.csharp/01.fundamentals/01.introduction-to-ecosystem",{"title":24,"path":25,"stem":26},"Структура програми на C#","/csharp/fundamentals/program-structure","01.csharp/01.fundamentals/02.program-structure",{"title":28,"path":29,"stem":30},"Змінні та Типи Даних","/csharp/fundamentals/variables-data-types","01.csharp/01.fundamentals/03.variables-data-types",{"title":32,"path":33,"stem":34},"Масиви","/csharp/fundamentals/arrays","01.csharp/01.fundamentals/04.arrays",{"title":36,"path":37,"stem":38},"Strings & Text Handling","/csharp/fundamentals/strings-text-handling","01.csharp/01.fundamentals/05.strings-text-handling",{"title":40,"path":41,"stem":42},"Дати і Час","/csharp/fundamentals/dates-time-handling","01.csharp/01.fundamentals/06.dates-time-handling",{"title":44,"path":45,"stem":46},"Потік Керування","/csharp/fundamentals/control-flow","01.csharp/01.fundamentals/07.control-flow",{"title":48,"path":49,"stem":50},"Методи","/csharp/fundamentals/methods","01.csharp/01.fundamentals/08.methods",{"title":52,"path":53,"stem":54},"Основи Відлагодження","/csharp/fundamentals/debugging-basics","01.csharp/01.fundamentals/09.debugging-basics",{"title":56,"path":57,"stem":58},"Інтерактивна Консоль (Classic)","/csharp/fundamentals/interactive-console","01.csharp/01.fundamentals/10.interactive-console",false,{"title":61,"icon":62,"path":63,"stem":64,"children":65,"page":59},"OOP","i-lucide-box","/csharp/oop","01.csharp/02.oop",[66,70,74,78,82,86],{"title":67,"path":68,"stem":69},"Package Management (Управління Пакетами)","/csharp/oop/package-management","01.csharp/02.oop/01.package-management",{"title":71,"path":72,"stem":73},"Класи та Об'єкти","/csharp/oop/classes-objects","01.csharp/02.oop/02.classes-objects",{"title":75,"path":76,"stem":77},"Властивості та Поля","/csharp/oop/properties-fields","01.csharp/02.oop/03.properties-fields",{"title":79,"path":80,"stem":81},"Стовпи ООП","/csharp/oop/oop-pillars","01.csharp/02.oop/04.oop-pillars",{"title":83,"path":84,"stem":85},"Advanced Types","/csharp/oop/advanced-types","01.csharp/02.oop/05.advanced-types",{"title":87,"path":88,"stem":89},"Namespaces (Простори Імен)","/csharp/oop/namespaces","01.csharp/02.oop/06.namespaces",{"title":91,"icon":92,"path":93,"stem":94,"children":95,"page":59},"Advanced Core","i-lucide-zap","/csharp/advanced-core","01.csharp/03.advanced-core",[96,100,104,108,112,116],{"title":97,"path":98,"stem":99},"Generics (Узагальнення)","/csharp/advanced-core/generics","01.csharp/03.advanced-core/01.generics",{"title":101,"path":102,"stem":103},"Делегати, Події та Лямбда-вирази","/csharp/advanced-core/delegates-events-lambdas","01.csharp/03.advanced-core/02.delegates-events-lambdas",{"title":105,"path":106,"stem":107},"Interfaces Deep Dive (Інтерфейси: Поглиблений Розгляд)","/csharp/advanced-core/interfaces-deep-dive","01.csharp/03.advanced-core/03.interfaces-deep-dive",{"title":109,"path":110,"stem":111},"Обробка Винятків","/csharp/advanced-core/exception-handling","01.csharp/03.advanced-core/04.exception-handling",{"title":113,"path":114,"stem":115},"Pattern Matching","/csharp/advanced-core/pattern-matching","01.csharp/03.advanced-core/05.pattern-matching",{"title":117,"path":118,"stem":119},"Додаткові Можливості C#","/csharp/advanced-core/additional-features","01.csharp/03.advanced-core/06.additional-features",{"title":121,"icon":122,"path":123,"stem":124,"children":125,"page":59},"Architecture Best Practices","i-lucide-building-2","/csharp/architecture-best-practices","01.csharp/04.architecture-best-practices",[126,130,149,153,157,161,165,169],{"title":127,"path":128,"stem":129},"Software Design Principles (Частина 1)","/csharp/architecture-best-practices/software-design-principles","01.csharp/04.architecture-best-practices/01.software-design-principles",{"title":131,"icon":132,"path":133,"stem":134,"children":135,"page":59},"Design Patterns","i-lucide-folder","/csharp/architecture-best-practices/design-patterns","01.csharp/04.architecture-best-practices/02.design-patterns",[136],{"title":137,"icon":132,"path":138,"stem":139,"children":140,"page":59},"Creational","/csharp/architecture-best-practices/design-patterns/creational","01.csharp/04.architecture-best-practices/02.design-patterns/creational",[141,145],{"title":142,"path":143,"stem":144},"Singleton (Одинак)","/csharp/architecture-best-practices/design-patterns/creational/singleton","01.csharp/04.architecture-best-practices/02.design-patterns/creational/01.singleton",{"title":146,"path":147,"stem":148},"Builder (Будівельник)","/csharp/architecture-best-practices/design-patterns/creational/builder","01.csharp/04.architecture-best-practices/02.design-patterns/creational/02.builder",{"title":150,"path":151,"stem":152},"Building Professional CLIs","/csharp/architecture-best-practices/building-professional-clis","01.csharp/04.architecture-best-practices/03.building-professional-clis",{"title":154,"path":155,"stem":156},"Validation & Flow Control","/csharp/architecture-best-practices/validation-flow-control","01.csharp/04.architecture-best-practices/04.validation-flow-control",{"title":158,"path":159,"stem":160},"The Modern .NET Host (Microsoft.Extensions)","/csharp/architecture-best-practices/modern-dotnet-host","01.csharp/04.architecture-best-practices/05.modern-dotnet-host",{"title":162,"path":163,"stem":164},"Data Mapper: Repository та DAO патерни (Частина 1)","/csharp/architecture-best-practices/data-mapper-part1","01.csharp/04.architecture-best-practices/06.data-mapper-part1",{"title":166,"path":167,"stem":168},"Data Mapper: Repository та DAO патерни (Частина 2)","/csharp/architecture-best-practices/data-mapper-part2","01.csharp/04.architecture-best-practices/07.data-mapper-part2",{"title":170,"icon":132,"path":171,"stem":172,"children":173,"page":59},"Di Ioc","/csharp/architecture-best-practices/di-ioc","01.csharp/04.architecture-best-practices/08.di-ioc",[174,178,182,186,190,194,198],{"title":175,"path":176,"stem":177},"Проблема залежностей та Інверсія Контролю","/csharp/architecture-best-practices/di-ioc/the-dependency-problem","01.csharp/04.architecture-best-practices/08.di-ioc/01.the-dependency-problem",{"title":179,"path":180,"stem":181},"Будуємо власний Service Container","/csharp/architecture-best-practices/di-ioc/build-your-own-container","01.csharp/04.architecture-best-practices/08.di-ioc/02.build-your-own-container",{"title":183,"path":184,"stem":185},"Service Locator: Паттерн та Анти-паттерн","/csharp/architecture-best-practices/di-ioc/service-locator-pattern","01.csharp/04.architecture-best-practices/08.di-ioc/03.service-locator-pattern",{"title":187,"path":188,"stem":189},"Паттерни Dependency Injection","/csharp/architecture-best-practices/di-ioc/dependency-injection-patterns","01.csharp/04.architecture-best-practices/08.di-ioc/04.dependency-injection-patterns",{"title":191,"path":192,"stem":193},"Microsoft DI: IServiceCollection та IServiceProvider","/csharp/architecture-best-practices/di-ioc/microsoft-di-deep-dive","01.csharp/04.architecture-best-practices/08.di-ioc/05.microsoft-di-deep-dive",{"title":195,"path":196,"stem":197},"Service Lifetimes та Scopes","/csharp/architecture-best-practices/di-ioc/service-lifetimes-and-scopes","01.csharp/04.architecture-best-practices/08.di-ioc/06.service-lifetimes-and-scopes",{"title":199,"path":200,"stem":201},"DI Анти-паттерни та Найкращі Практики","/csharp/architecture-best-practices/di-ioc/di-anti-patterns-and-best-practices","01.csharp/04.architecture-best-practices/08.di-ioc/07.di-anti-patterns-and-best-practices",{"title":203,"icon":132,"path":204,"stem":205,"children":206,"page":59},"Standard Library","/csharp/standard-library","01.csharp/05.standard-library",[207,211,215],{"title":208,"path":209,"stem":210},"Collections (Колекції)","/csharp/standard-library/collections","01.csharp/05.standard-library/01.collections",{"title":212,"path":213,"stem":214},"High Performance Types (Високопродуктивні Типи)","/csharp/standard-library/high-performance-types","01.csharp/05.standard-library/02.high-performance-types",{"title":216,"path":217,"stem":218},"LINQ (Language Integrated Query)","/csharp/standard-library/linq","01.csharp/05.standard-library/03.linq",{"title":220,"icon":221,"path":222,"stem":223,"children":224,"page":59},"System Internals Concurrency","i-lucide-server","/csharp/system-internals-concurrency","01.csharp/06.system-internals-concurrency",[225,229,233,237,241,245,249],{"title":226,"path":227,"stem":228},"Memory Management","/csharp/system-internals-concurrency/memory-management","01.csharp/06.system-internals-concurrency/01.memory-management",{"title":230,"path":231,"stem":232},"Reflection API: System.Type та Метадані","/csharp/system-internals-concurrency/reflection-fundamentals","01.csharp/06.system-internals-concurrency/02.reflection-fundamentals",{"title":234,"path":235,"stem":236},"Attributes та Dynamic Language Runtime","/csharp/system-internals-concurrency/attributes-dynamic","01.csharp/06.system-internals-concurrency/03.attributes-dynamic",{"title":238,"path":239,"stem":240},"Expression Trees: Швидка Альтернатива Рефлексії","/csharp/system-internals-concurrency/expression-trees-compiled","01.csharp/06.system-internals-concurrency/04.expression-trees-compiled",{"title":242,"path":243,"stem":244},"Source Generators: Compile-Time Code Generation","/csharp/system-internals-concurrency/source-generators","01.csharp/06.system-internals-concurrency/05.source-generators",{"title":246,"path":247,"stem":248},"Multithreading Fundamentals","/csharp/system-internals-concurrency/multithreading-fundamentals","01.csharp/06.system-internals-concurrency/06.multithreading-fundamentals",{"title":250,"path":251,"stem":252},"Synchronization Primitives","/csharp/system-internals-concurrency/synchronization-primitives","01.csharp/06.system-internals-concurrency/07.synchronization-primitives",{"title":254,"icon":255,"path":256,"stem":257,"children":258,"page":59},"System Programming Windows","i-lucide-cpu","/csharp/system-programming-windows","01.csharp/07.system-programming-windows",[259,263,267,271,275,279,283,287,291,295,299,303,307,311,315,319,323,327,331,335,339,343,347,351,355,359,363,367,371,375],{"title":260,"path":261,"stem":262},"Як Працює Операційна Система","/csharp/system-programming-windows/how-os-works","01.csharp/07.system-programming-windows/01.how-os-works",{"title":264,"path":265,"stem":266},"Процеси в .NET — API та Запуск","/csharp/system-programming-windows/processes-in-dotnet","01.csharp/07.system-programming-windows/02.processes-in-dotnet",{"title":268,"path":269,"stem":270},"Процеси в .NET — IPC та Міжпроцесна Комунікація","/csharp/system-programming-windows/02a.processes-ipc","01.csharp/07.system-programming-windows/02a.processes-ipc",{"title":272,"path":273,"stem":274},"Application Domains та Збірки — AppDomain і AssemblyLoadContext","/csharp/system-programming-windows/appdomains-assemblies","01.csharp/07.system-programming-windows/03.appdomains-assemblies",{"title":276,"path":277,"stem":278},"Application Domains та Збірки — Plug-in Система з Hot-Reload","/csharp/system-programming-windows/03a.appdomains-plugin-system","01.csharp/07.system-programming-windows/03a.appdomains-plugin-system",{"title":280,"path":281,"stem":282},"Потоки — Основи та API Thread","/csharp/system-programming-windows/thread-fundamentals","01.csharp/07.system-programming-windows/04.thread-fundamentals",{"title":284,"path":285,"stem":286},"Потоки — Lifecycle, Пріоритети та Безпечне Завершення","/csharp/system-programming-windows/04a.thread-lifecycle-priorities","01.csharp/07.system-programming-windows/04a.thread-lifecycle-priorities",{"title":288,"path":289,"stem":290},"Проблеми Спільного Стану — Race Condition та Data Race","/csharp/system-programming-windows/shared-state-problems","01.csharp/07.system-programming-windows/05.shared-state-problems",{"title":292,"path":293,"stem":294},"Проблеми Спільного Стану — Memory Model та volatile","/csharp/system-programming-windows/05a.shared-state-memory-model","01.csharp/07.system-programming-windows/05a.shared-state-memory-model",{"title":296,"path":297,"stem":298},"Синхронізація — Monitor, lock та еволюція примітивів","/csharp/system-programming-windows/synchronization-fundamentals","01.csharp/07.system-programming-windows/06.synchronization-fundamentals",{"title":300,"path":301,"stem":302},"Синхронізація — Наскрізний Приклад та Deadlock Detection","/csharp/system-programming-windows/06a.synchronization-walkthrough","01.csharp/07.system-programming-windows/06a.synchronization-walkthrough",{"title":304,"path":305,"stem":306},"Синхронізація — Mutex, Semaphore та Event-Based Primitives","/csharp/system-programming-windows/synchronization-advanced","01.csharp/07.system-programming-windows/07.synchronization-advanced",{"title":308,"path":309,"stem":310},"Синхронізація — Interlocked, Volatile та Lock-Free Структури","/csharp/system-programming-windows/07a.synchronization-advanced-walkthrough","01.csharp/07.system-programming-windows/07a.synchronization-advanced-walkthrough",{"title":312,"path":313,"stem":314},"Interlocked, CAS та Lock-Free Структури","/csharp/system-programming-windows/interlocked-cas-lockfree","01.csharp/07.system-programming-windows/08.interlocked-cas-lockfree",{"title":316,"path":317,"stem":318},"Volatile, Memory Model та Spinning","/csharp/system-programming-windows/08a.volatile-memory-model","01.csharp/07.system-programming-windows/08a.volatile-memory-model",{"title":320,"path":321,"stem":322},"ThreadPool — Пул Потоків для Ефективного Виконання","/csharp/system-programming-windows/thread-pool","01.csharp/07.system-programming-windows/09.thread-pool",{"title":324,"path":325,"stem":326},"ThreadPool — Просунуті Сценарії та Внутрішня Будова","/csharp/system-programming-windows/09a.thread-pool-advanced","01.csharp/07.system-programming-windows/09a.thread-pool-advanced",{"title":328,"path":329,"stem":330},"Concurrent та Immutable Collections","/csharp/system-programming-windows/concurrent-collections","01.csharp/07.system-programming-windows/10.concurrent-collections",{"title":332,"path":333,"stem":334},"TPL, Task та Композиція — Від Thread до Task","/csharp/system-programming-windows/tpl-parallel-plinq","01.csharp/07.system-programming-windows/11.tpl-parallel-plinq",{"title":336,"path":337,"stem":338},"Parallel Class та PLINQ — Data Parallelism","/csharp/system-programming-windows/11a.tpl-parallel-plinq-advanced","01.csharp/07.system-programming-windows/11a.tpl-parallel-plinq-advanced",{"title":340,"path":341,"stem":342},"Async/Await — Фундамент Асинхронного Програмування","/csharp/system-programming-windows/async-fundamentals","01.csharp/07.system-programming-windows/12.async-fundamentals",{"title":344,"path":345,"stem":346},"SynchronizationContext та ConfigureAwait — Контекст Виконання","/csharp/system-programming-windows/async-context-configureawait","01.csharp/07.system-programming-windows/13.async-context-configureawait",{"title":348,"path":349,"stem":350},"Async — Просунуті Паттерни","/csharp/system-programming-windows/async-advanced","01.csharp/07.system-programming-windows/14.async-advanced",{"title":352,"path":353,"stem":354},"System.Threading.Channels — Async Producer-Consumer","/csharp/system-programming-windows/channels","01.csharp/07.system-programming-windows/15.channels",{"title":356,"path":357,"stem":358},"Асинхронна Синхронізація","/csharp/system-programming-windows/async-synchronization","01.csharp/07.system-programming-windows/16.async-synchronization",{"title":360,"path":361,"stem":362},"Unsafe Code та Вказівники","/csharp/system-programming-windows/unsafe-code","01.csharp/07.system-programming-windows/17.unsafe-code",{"title":364,"path":365,"stem":366},"P/Invoke та Windows API — Міст між .NET та Native Code","/csharp/system-programming-windows/pinvoke-winapi","01.csharp/07.system-programming-windows/18.pinvoke-winapi",{"title":368,"path":369,"stem":370},"Реєстр Windows — Центральна База Конфігурації Системи","/csharp/system-programming-windows/windows-registry","01.csharp/07.system-programming-windows/19.windows-registry",{"title":372,"path":373,"stem":374},"Windows Hooks, Hotkeys та Services — Глибока Інтеграція з ОС","/csharp/system-programming-windows/windows-hooks-services","01.csharp/07.system-programming-windows/20.windows-hooks-services",{"title":376,"path":377,"stem":378},"Системне Програмування C# (Windows) — 07.system-programming-windows","/csharp/system-programming-windows/implementation_plan","01.csharp/07.system-programming-windows/implementation_plan",{"title":380,"icon":132,"path":381,"stem":382,"children":383,"page":59},"Io","/csharp/io","01.csharp/08.io",[384,388,392,396,400],{"title":385,"path":386,"stem":387},"8.1.1. Основи роботи з файловою системою","/csharp/io/file-system-basics","01.csharp/08.io/01.file-system-basics",{"title":389,"path":390,"stem":391},"8.1.2. Потоки (Streams) та Серіалізація Даних","/csharp/io/streams-serialization","01.csharp/08.io/02.streams-serialization",{"title":393,"path":394,"stem":395},"8.2.1. JSON Serialization з System.Text.Json","/csharp/io/json-serialization","01.csharp/08.io/03.json-serialization",{"title":397,"path":398,"stem":399},"8.2.2. XML Serialization та LINQ to XML","/csharp/io/xml-serialization","01.csharp/08.io/04.xml-serialization",{"title":401,"path":402,"stem":403},"8.2.3. Binary Serialization: MessagePack та Protocol Buffers","/csharp/io/binary-serialization","01.csharp/08.io/05.binary-serialization",{"title":405,"icon":132,"path":406,"stem":407,"children":408,"page":59},"Ado Net","/csharp/ado-net","01.csharp/09.ado-net",[409,413,417,421,425,429,433,437,441,445,449,453],{"title":410,"path":411,"stem":412},"9.1. Введення в ADO.NET","/csharp/ado-net/introduction-to-adonet","01.csharp/09.ado-net/01.introduction-to-adonet",{"title":414,"path":415,"stem":416},"9.2. Клас DbConnection — з'єднання з базою даних","/csharp/ado-net/connection","01.csharp/09.ado-net/02.connection",{"title":418,"path":419,"stem":420},"9.3. Клас DbCommand — виконання SQL-запитів","/csharp/ado-net/command-and-queries","01.csharp/09.ado-net/03.command-and-queries",{"title":422,"path":423,"stem":424},"9.4. Клас DbDataReader — ефективне читання даних","/csharp/ado-net/datareader","01.csharp/09.ado-net/04.datareader",{"title":426,"path":427,"stem":428},"9.5. Параметризовані запити та захист від SQL Injection","/csharp/ado-net/parameters-and-sql-injection","01.csharp/09.ado-net/05.parameters-and-sql-injection",{"title":430,"path":431,"stem":432},"9.6. Транзакції в ADO.NET","/csharp/ado-net/transactions","01.csharp/09.ado-net/06.transactions",{"title":434,"path":435,"stem":436},"9.7. DbProviderFactory — провайдер-незалежний код","/csharp/ado-net/provider-factory","01.csharp/09.ado-net/07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","/csharp/ado-net/async-data-access","01.csharp/09.ado-net/08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","/csharp/ado-net/disconnected-mode-dataset","01.csharp/09.ado-net/09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","/csharp/ado-net/data-adapter","01.csharp/09.ado-net/10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","/csharp/ado-net/data-mapper-repository","01.csharp/09.ado-net/11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","/csharp/ado-net/advanced-patterns","01.csharp/09.ado-net/12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","/csharp/ef-core","01.csharp/10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","/csharp/ef-core/what-is-orm","01.csharp/10.ef-core/01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","/csharp/ef-core/first-project","01.csharp/10.ef-core/02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","/csharp/ef-core/dbcontext-deep-dive","01.csharp/10.ef-core/03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","/csharp/ef-core/database-providers","01.csharp/10.ef-core/04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","/csharp/ef-core/conventions","01.csharp/10.ef-core/05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","/csharp/ef-core/fluent-api-vs-annotations","01.csharp/10.ef-core/06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","/csharp/ef-core/relationships-basics","01.csharp/10.ef-core/07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","/csharp/ef-core/relationships-advanced","01.csharp/10.ef-core/08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","/csharp/ef-core/property-configuration-part1","01.csharp/10.ef-core/09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","/csharp/ef-core/property-configuration-part2","01.csharp/10.ef-core/09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","/csharp/ef-core/complex-types-owned-part1","01.csharp/10.ef-core/10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","/csharp/ef-core/complex-types-owned-part2","01.csharp/10.ef-core/10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","/csharp/ef-core/json-columns-part1","01.csharp/10.ef-core/11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","/csharp/ef-core/json-columns-part2","01.csharp/10.ef-core/11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","/csharp/ef-core/inheritance-part1","01.csharp/10.ef-core/12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","/csharp/ef-core/inheritance-part2","01.csharp/10.ef-core/12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","/csharp/ef-core/indexes-constraints-part1","01.csharp/10.ef-core/13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","/csharp/ef-core/indexes-constraints-part2","01.csharp/10.ef-core/13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","/csharp/ef-core/seeding-part1","01.csharp/10.ef-core/14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","/csharp/ef-core/seeding-part2","01.csharp/10.ef-core/14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","/csharp/ef-core/global-query-filters-part1","01.csharp/10.ef-core/15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","/csharp/ef-core/global-query-filters-part2","01.csharp/10.ef-core/15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","/csharp/ef-core/linq-queries-part1","01.csharp/10.ef-core/16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","/csharp/ef-core/linq-queries-part2","01.csharp/10.ef-core/16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","/csharp/ef-core/loading-related-data-part1","01.csharp/10.ef-core/17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","/csharp/ef-core/loading-related-data-part2","01.csharp/10.ef-core/17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","/csharp/ef-core/raw-sql-part1","01.csharp/10.ef-core/18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","/csharp/ef-core/raw-sql-part2","01.csharp/10.ef-core/18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","/csharp/ef-core/advanced-queries-part1","01.csharp/10.ef-core/19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","/csharp/ef-core/advanced-queries-part2","01.csharp/10.ef-core/19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","/csharp/ef-core/change-tracking-part1","01.csharp/10.ef-core/20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","/csharp/ef-core/change-tracking-part2","01.csharp/10.ef-core/20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","/csharp/ef-core/saving-data-part1","01.csharp/10.ef-core/21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","/csharp/ef-core/saving-data-part2","01.csharp/10.ef-core/21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","/csharp/ef-core/concurrency-part1","01.csharp/10.ef-core/22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","/csharp/ef-core/concurrency-part2","01.csharp/10.ef-core/22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","/csharp/ef-core/migrations-basics-part1","01.csharp/10.ef-core/23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","/csharp/ef-core/migrations-basics-part2","01.csharp/10.ef-core/23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","/csharp/ef-core/migrations-advanced-part1","01.csharp/10.ef-core/24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","/csharp/ef-core/migrations-advanced-part2","01.csharp/10.ef-core/24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","/csharp/ef-core/schema-management-part1","01.csharp/10.ef-core/25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","/csharp/ef-core/schema-management-part2","01.csharp/10.ef-core/25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","/csharp/ef-core/performance-fundamentals-part1","01.csharp/10.ef-core/26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","/csharp/ef-core/interceptors-part1","01.csharp/10.ef-core/29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","/csharp/ef-core/interceptors-part2","01.csharp/10.ef-core/29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","/csharp/ef-core/implementation_plan","01.csharp/10.ef-core/implementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","/csharp/aspnet","01.csharp/11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","/csharp/aspnet/minimal-api","01.csharp/11.aspnet/01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","/csharp/aspnet/minimal-api/introduction","01.csharp/11.aspnet/01.minimal-api/01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","/csharp/aspnet/minimal-api/first-application","01.csharp/11.aspnet/01.minimal-api/02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","/csharp/aspnet/minimal-api/webapplication-builder","01.csharp/11.aspnet/01.minimal-api/03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","/csharp/aspnet/minimal-api/request-pipeline-middleware","01.csharp/11.aspnet/01.minimal-api/04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/routing-basics","01.csharp/11.aspnet/01.minimal-api/05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","/csharp/aspnet/minimal-api/routing-advanced","01.csharp/11.aspnet/01.minimal-api/06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","/csharp/aspnet/minimal-api/static-files","01.csharp/11.aspnet/01.minimal-api/07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","/csharp/aspnet/minimal-api/static-assets","01.csharp/11.aspnet/01.minimal-api/08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/configuration-fundamentals","01.csharp/11.aspnet/01.minimal-api/09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","/csharp/aspnet/minimal-api/configuration-options","01.csharp/11.aspnet/01.minimal-api/10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/logging-basics","01.csharp/11.aspnet/01.minimal-api/11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","/csharp/aspnet/minimal-api/logging-advanced","01.csharp/11.aspnet/01.minimal-api/12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","/csharp/aspnet/minimal-api/state-management","01.csharp/11.aspnet/01.minimal-api/13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","/csharp/aspnet/minimal-api/session-state","01.csharp/11.aspnet/01.minimal-api/14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","/csharp/aspnet/minimal-api/project-structure","01.csharp/11.aspnet/01.minimal-api/15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","/csharp/aspnet/minimal-api/scalar-openapi-fluent","01.csharp/11.aspnet/01.minimal-api/16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger / Swashbuckle у Minimal API: окремий класичний шлях","/csharp/aspnet/minimal-api/swagger-swashbuckle","01.csharp/11.aspnet/01.minimal-api/17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","/csharp/aspnet/api","01.csharp/11.aspnet/02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","/csharp/aspnet/api/what-is-api","01.csharp/11.aspnet/02.api/01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","/csharp/aspnet/api/data-formats","01.csharp/11.aspnet/02.api/02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","/csharp/aspnet/api/api-paradigms-rest","01.csharp/11.aspnet/02.api/03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","/csharp/aspnet/api/http-methods-status-codes","01.csharp/11.aspnet/02.api/04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","/csharp/aspnet/api/rest-organizing","01.csharp/11.aspnet/02.api/05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","/csharp/aspnet/api/url-nomenclature-crud","01.csharp/11.aspnet/02.api/06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","/csharp/aspnet/api/api-design-naming","01.csharp/11.aspnet/02.api/07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","/csharp/aspnet/api/api-design-validation","01.csharp/11.aspnet/02.api/08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","/csharp/aspnet/api/error-handling-http","01.csharp/11.aspnet/02.api/09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","/csharp/aspnet/api/idempotency-sync","01.csharp/11.aspnet/02.api/10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","/csharp/aspnet/api/pagination-lists","01.csharp/11.aspnet/02.api/11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","/csharp/aspnet/api/security-auth","01.csharp/11.aspnet/02.api/12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","/csharp/aspnet/api/api-design-process","01.csharp/11.aspnet/02.api/13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","/csharp/aspnet/api/openapi","01.csharp/11.aspnet/02.api/14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","/csharp/aspnet/auth","01.csharp/11.aspnet/03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","/csharp/aspnet/auth/auth-fundamentals","01.csharp/11.aspnet/03.auth/01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","/csharp/aspnet/auth/jwt-authentication","01.csharp/11.aspnet/03.auth/02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","/csharp/aspnet/auth/authorization-policies","01.csharp/11.aspnet/03.auth/03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","/csharp/aspnet/auth/cookie-auth-identity","01.csharp/11.aspnet/03.auth/04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","/csharp/aspnet/auth/04b.identity-auth-jwt","01.csharp/11.aspnet/03.auth/04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","/csharp/aspnet/auth/identity-email-confirmation","01.csharp/11.aspnet/03.auth/05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","/csharp/aspnet/auth/identity-two-factor","01.csharp/11.aspnet/03.auth/06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","/csharp/aspnet/auth/identity-internals","01.csharp/11.aspnet/03.auth/07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","/csharp/aspnet/auth/oauth-external-providers","01.csharp/11.aspnet/03.auth/08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","/csharp/aspnet/auth/security-hardening","01.csharp/11.aspnet/03.auth/09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","/csharp/aspnet/auth/oauth-theory","01.csharp/11.aspnet/03.auth/10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","/csharp/aspnet/auth/oidc-keycloak","01.csharp/11.aspnet/03.auth/10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","/csharp/aspnet/auth/api-keys","01.csharp/11.aspnet/03.auth/11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","/csharp/aspnet/auth/rate-limiting","01.csharp/11.aspnet/03.auth/12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","/csharp/aspnet/auth/refresh-token-rotation","01.csharp/11.aspnet/03.auth/13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","/csharp/aspnet/auth/certificate-auth","01.csharp/11.aspnet/03.auth/14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","/csharp/aspnet/auth/rbac-abac-rebac","01.csharp/11.aspnet/03.auth/15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","/csharp/aspnet/auth/multi-tenancy","01.csharp/11.aspnet/03.auth/16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","/csharp/aspnet/notifications","01.csharp/11.aspnet/04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","/csharp/aspnet/notifications/in-app-database-notifications","01.csharp/11.aspnet/04.notifications/01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","/csharp/aspnet/notifications/polling","01.csharp/11.aspnet/04.notifications/02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","/csharp/aspnet/notifications/server-sent-events","01.csharp/11.aspnet/04.notifications/03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","/csharp/aspnet/notifications/websockets","01.csharp/11.aspnet/04.notifications/04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","/csharp/aspnet/notifications/signalr","01.csharp/11.aspnet/04.notifications/05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","/csharp/aspnet/notifications/background-services","01.csharp/11.aspnet/04.notifications/06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","/csharp/aspnet/notifications/web-push","01.csharp/11.aspnet/04.notifications/07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","/csharp/aspnet/notifications/email-notifications","01.csharp/11.aspnet/04.notifications/08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","/csharp/aspnet/notifications/choosing-the-right-approach","01.csharp/11.aspnet/04.notifications/09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","/csharp/aspnet/notifications/hangfire","01.csharp/11.aspnet/04.notifications/10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","/csharp/aspnet/notifications/hangfire-image-webp","01.csharp/11.aspnet/04.notifications/11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","/csharp/aspnet/notifications/hangfire-video-hls","01.csharp/11.aspnet/04.notifications/12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","/csharp/aspnet/notifications/telegram-notifications","01.csharp/11.aspnet/04.notifications/13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","/csharp/aspnet/i18n","01.csharp/11.aspnet/05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","/csharp/aspnet/i18n/internationalization","01.csharp/11.aspnet/05.i18n/01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","/csharp/aspnet/i18n/humanizer","01.csharp/11.aspnet/05.i18n/02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","/csharp/aspnet/caching","01.csharp/11.aspnet/06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","/csharp/aspnet/caching/caching","01.csharp/11.aspnet/06.caching/01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","/csharp/aspnet/caching/memory-cache","01.csharp/11.aspnet/06.caching/02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","/csharp/aspnet/caching/distributed-cache","01.csharp/11.aspnet/06.caching/03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","/csharp/aspnet/caching/response-cache","01.csharp/11.aspnet/06.caching/04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","/csharp/aspnet/caching/output-cache","01.csharp/11.aspnet/06.caching/05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","/csharp/aspnet/testing","01.csharp/11.aspnet/07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","/csharp/aspnet/testing/what-is-testing","01.csharp/11.aspnet/07.testing/01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","/csharp/aspnet/testing/testing-pyramid","01.csharp/11.aspnet/07.testing/02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","/csharp/aspnet/testing/testing-schools","01.csharp/11.aspnet/07.testing/03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","/csharp/aspnet/testing/tdd-and-bdd","01.csharp/11.aspnet/07.testing/04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","/csharp/aspnet/testing/what-to-test","01.csharp/11.aspnet/07.testing/05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","/csharp/aspnet/testing/test-frameworks","01.csharp/11.aspnet/07.testing/06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","/csharp/aspnet/testing/xunit-basics","01.csharp/11.aspnet/07.testing/07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","/csharp/aspnet/testing/xunit-advanced","01.csharp/11.aspnet/07.testing/08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","/csharp/aspnet/testing/mocking-with-moq","01.csharp/11.aspnet/07.testing/09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","/csharp/aspnet/testing/database-testing","01.csharp/11.aspnet/07.testing/10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","/csharp/aspnet/testing/integration-testing","01.csharp/11.aspnet/07.testing/11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","/csharp/aspnet/testing/11a.integration-testing-practice","01.csharp/11.aspnet/07.testing/11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","/csharp/aspnet/testing/integration-testing-advanced","01.csharp/11.aspnet/07.testing/12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","/csharp/aspnet/testing/postman-professional","01.csharp/11.aspnet/07.testing/13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","/csharp/aspnet/testing/httpclient-testing","01.csharp/11.aspnet/07.testing/14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","/csharp/aspnet/testing/wiremock-net","01.csharp/11.aspnet/07.testing/15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","/csharp/aspnet/testing/testing-patterns","01.csharp/11.aspnet/07.testing/16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","/csharp/aspnet/testing/advanced-testing-tools","01.csharp/11.aspnet/07.testing/17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","/csharp/aspnet/testing/architecture-testing","01.csharp/11.aspnet/07.testing/18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","/csharp/aspnet/testing/performance-testing","01.csharp/11.aspnet/07.testing/19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","/csharp/aspnet/testing/remaining_plan","01.csharp/11.aspnet/07.testing/remaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","/csharp/aspnet/payments","01.csharp/11.aspnet/08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","/csharp/aspnet/payments/payment-fundamentals","01.csharp/11.aspnet/08.payments/01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","/csharp/aspnet/payments/payment-methods-ukraine","01.csharp/11.aspnet/08.payments/02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","/csharp/aspnet/payments/pci-dss-security","01.csharp/11.aspnet/08.payments/03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","/csharp/aspnet/payments/payment-architecture","01.csharp/11.aspnet/08.payments/04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","/csharp/aspnet/payments/liqpay-integration","01.csharp/11.aspnet/08.payments/05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","/csharp/aspnet/payments/monobank-acquiring","01.csharp/11.aspnet/08.payments/06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","/csharp/aspnet/payments/stripe-integration","01.csharp/11.aspnet/08.payments/07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","/csharp/aspnet/payments/webhooks-deep-dive","01.csharp/11.aspnet/08.payments/08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","/csharp/aspnet/payments/subscriptions-recurring","01.csharp/11.aspnet/08.payments/09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","/csharp/aspnet/payments/refunds-disputes","01.csharp/11.aspnet/08.payments/10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","/csharp/aspnet/payments/testing-payments","01.csharp/11.aspnet/08.payments/11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","/csharp/aspnet/payments/production-checklist","01.csharp/11.aspnet/08.payments/12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","/csharp/aspnet/libraries","01.csharp/11.aspnet/09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","/csharp/aspnet/libraries/fluent-validation","01.csharp/11.aspnet/09.libraries/01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","/csharp/aspnet/libraries/mapster","01.csharp/11.aspnet/09.libraries/02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","/csharp/aspnet/libraries/erroror-result-pattern","01.csharp/11.aspnet/09.libraries/03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","/csharp/aspnet/libraries/serilog","01.csharp/11.aspnet/09.libraries/04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","/csharp/aspnet/libraries/mediatr","01.csharp/11.aspnet/09.libraries/05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","/csharp/aspnet/libraries/polly","01.csharp/11.aspnet/09.libraries/06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","/csharp/aspnet/libraries/health-checks","01.csharp/11.aspnet/09.libraries/07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","/csharp/aspnet/libraries/feature-management","01.csharp/11.aspnet/09.libraries/08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","/csharp/aspnet/libraries/fluent-email","01.csharp/11.aspnet/09.libraries/09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","/csharp/aspnet/libraries/quest-pdf","01.csharp/11.aspnet/09.libraries/10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","/csharp/aspnet/libraries/bogus","01.csharp/11.aspnet/09.libraries/11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","/csharp/aspnet/libraries/humanizer-guard","01.csharp/11.aspnet/09.libraries/12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","/csharp/aspnet/libraries/plan","01.csharp/11.aspnet/09.libraries/plan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","/csharp/aspnet/razor-pages","01.csharp/11.aspnet/10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","/csharp/aspnet/razor-pages/from-minimal-api","01.csharp/11.aspnet/10.razor-pages/01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","/csharp/aspnet/razor-pages/page-model","01.csharp/11.aspnet/10.razor-pages/02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","/csharp/aspnet/razor-pages/razor-syntax","01.csharp/11.aspnet/10.razor-pages/03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","/csharp/aspnet/razor-pages/tag-helpers","01.csharp/11.aspnet/10.razor-pages/04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","/csharp/aspnet/razor-pages/forms-validation","01.csharp/11.aspnet/10.razor-pages/05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","/csharp/aspnet/razor-pages/project-task-manager","01.csharp/11.aspnet/10.razor-pages/06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","/csharp/aspnet/mvc","01.csharp/11.aspnet/11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","/csharp/aspnet/mvc/mvc-pattern","01.csharp/11.aspnet/11.mvc/01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","/csharp/aspnet/mvc/from-razor-pages","01.csharp/11.aspnet/11.mvc/02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","/csharp/aspnet/mvc/controllers-actions","01.csharp/11.aspnet/11.mvc/03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","/csharp/aspnet/mvc/routing-mvc","01.csharp/11.aspnet/11.mvc/04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","/csharp/aspnet/mvc/model-binding","01.csharp/11.aspnet/11.mvc/05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","/csharp/aspnet/mvc/views-viewdata-tempdata","01.csharp/11.aspnet/11.mvc/06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","/csharp/aspnet/mvc/filters","01.csharp/11.aspnet/11.mvc/07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","/csharp/aspnet/mvc/areas","01.csharp/11.aspnet/11.mvc/08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","/csharp/aspnet/mvc/view-components","01.csharp/11.aspnet/11.mvc/09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","/csharp/aspnet/mvc/display-editor-templates","01.csharp/11.aspnet/11.mvc/10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","/csharp/aspnet/mvc/validation-advanced","01.csharp/11.aspnet/11.mvc/11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","/csharp/aspnet/mvc/htmx","01.csharp/11.aspnet/11.mvc/12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","/csharp/aspnet/mvc/ajax-htmx-mvc","01.csharp/11.aspnet/11.mvc/13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","/csharp/aspnet/mvc/htmx-project","01.csharp/11.aspnet/11.mvc/14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","/csharp/aspnet/mvc/file-upload","01.csharp/11.aspnet/11.mvc/15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","/csharp/aspnet/mvc/globalization-localization","01.csharp/11.aspnet/11.mvc/16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","/csharp/aspnet/mvc/mvc-project","01.csharp/11.aspnet/11.mvc/17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","/csharp/aspnet/mvc/plan","01.csharp/11.aspnet/11.mvc/plan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","/csharp/aspnet/web-api","01.csharp/11.aspnet/12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","/csharp/aspnet/web-api/from-minimal-api-to-controllers","01.csharp/11.aspnet/12.web-api/01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","/csharp/aspnet/web-api/controller-base-actionresult","01.csharp/11.aspnet/12.web-api/02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","/csharp/aspnet/web-api/content-negotiation","01.csharp/11.aspnet/12.web-api/03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","/csharp/aspnet/web-api/api-versioning","01.csharp/11.aspnet/12.web-api/04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","/csharp/aspnet/web-api/problemdetails-error-handling","01.csharp/11.aspnet/12.web-api/05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","/csharp/aspnet/web-api/filters-for-api","01.csharp/11.aspnet/12.web-api/06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","/csharp/aspnet/web-api/pagination-filtering-sorting","01.csharp/11.aspnet/12.web-api/07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","/csharp/aspnet/web-api/hateoas-resource-expansion","01.csharp/11.aspnet/12.web-api/08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","/csharp/aspnet/web-api/minimal-api-vs-controllers-hybrid","01.csharp/11.aspnet/12.web-api/09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","/csharp/aspnet/web-api/api-documentation-generation","01.csharp/11.aspnet/12.web-api/10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","/csharp/aspnet/web-api/health-checks-monitoring","01.csharp/11.aspnet/12.web-api/11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","/csharp/aspnet/web-api/web-api-project","01.csharp/11.aspnet/12.web-api/12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","/csharp/aspnet/web-api/plan","01.csharp/11.aspnet/12.web-api/plan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Desktop UI","i-lucide-app-window","/csharp/desktop-ui","01.csharp/12.desktop-ui",[1352,1356,1360,1364,1368,1372,1376,1380,1384,1388,1392,1396,1400,1404,1408,1412,1416,1420,1424,1428,1432,1436,1440,1444,1448,1452,1456,1460,1464,1468,1472,1476,1480,1484,1488,1492,1496,1500,1504,1508,1512,1516,1520,1524,1528,1532,1536,1540,1544,1548,1552,1556,1560,1564,1568,1572,1576,1580,1584,1588,1592,1596,1600,1604,1608,1612,1616,1620,1624,1628,1632],{"title":1353,"path":1354,"stem":1355},"Що таке десктопна розробка?","/csharp/desktop-ui/what-is-desktop-dev","01.csharp/12.desktop-ui/01.what-is-desktop-dev",{"title":1357,"path":1358,"stem":1359},"Архітектура WPF — як влаштований графічний інтерфейс","/csharp/desktop-ui/wpf-architecture","01.csharp/12.desktop-ui/02.wpf-architecture",{"title":1361,"path":1362,"stem":1363},"Перший WPF-проєкт — від нуля до вікна","/csharp/desktop-ui/first-wpf-app","01.csharp/12.desktop-ui/03.first-wpf-app",{"title":1365,"path":1366,"stem":1367},"Перший Avalonia-проєкт: WPF для всіх платформ","/csharp/desktop-ui/03a.first-avalonia-app","01.csharp/12.desktop-ui/03a.first-avalonia-app",{"title":1369,"path":1370,"stem":1371},"XAML: декларативний інтерфейс","/csharp/desktop-ui/xaml-basics","01.csharp/12.desktop-ui/04.xaml-basics",{"title":1373,"path":1374,"stem":1375},"Fluent UI у WPF — сучасний дизайн Windows 11","/csharp/desktop-ui/04a.wpf-fluent-ui","01.csharp/12.desktop-ui/04a.wpf-fluent-ui",{"title":1377,"path":1378,"stem":1379},"WPF UI — сучасна бібліотека Fluent контролів","/csharp/desktop-ui/04b.wpf-ui-library","01.csharp/12.desktop-ui/04b.wpf-ui-library",{"title":1381,"path":1382,"stem":1383},"HandyControl — велика бібліотека UI контролів для WPF","/csharp/desktop-ui/04c.handycontrol-library","01.csharp/12.desktop-ui/04c.handycontrol-library",{"title":1385,"path":1386,"stem":1387},"Простори імен та ресурси XAML","/csharp/desktop-ui/xaml-namespaces-resources","01.csharp/12.desktop-ui/05.xaml-namespaces-resources",{"title":1389,"path":1390,"stem":1391},"XAML в Avalonia: ключові відмінності від WPF","/csharp/desktop-ui/05a.avalonia-xaml-differences","01.csharp/12.desktop-ui/05a.avalonia-xaml-differences",{"title":1393,"path":1394,"stem":1395},"Розширення розмітки XAML (Markup Extensions)","/csharp/desktop-ui/xaml-markup-extensions","01.csharp/12.desktop-ui/06.xaml-markup-extensions",{"title":1397,"path":1398,"stem":1399},"Панелі Layout: StackPanel, WrapPanel, DockPanel","/csharp/desktop-ui/layout-panels-part1","01.csharp/12.desktop-ui/07.layout-panels-part1",{"title":1401,"path":1402,"stem":1403},"Grid, Canvas, UniformGrid","/csharp/desktop-ui/layout-panels-part2","01.csharp/12.desktop-ui/07.layout-panels-part2",{"title":1405,"path":1406,"stem":1407},"Просунуті техніки Layout","/csharp/desktop-ui/layout-advanced","01.csharp/12.desktop-ui/08.layout-advanced",{"title":1409,"path":1410,"stem":1411},"Адаптивний Layout та найкращі практики","/csharp/desktop-ui/layout-responsive","01.csharp/12.desktop-ui/09.layout-responsive",{"title":1413,"path":1414,"stem":1415},"Layout в Avalonia: відмінності та нові можливості","/csharp/desktop-ui/09a.layout-avalonia","01.csharp/12.desktop-ui/09a.layout-avalonia",{"title":1417,"path":1418,"stem":1419},"Button, Image, ProgressBar та інші базові контроли","/csharp/desktop-ui/basic-controls","01.csharp/12.desktop-ui/10.basic-controls",{"title":1421,"path":1422,"stem":1423},"Контроли в Avalonia: відмінності від WPF","/csharp/desktop-ui/10a.controls-avalonia","01.csharp/12.desktop-ui/10a.controls-avalonia",{"title":1425,"path":1426,"stem":1427},"Текстові контроли — TextBlock, TextBox, RichTextBox","/csharp/desktop-ui/text-controls","01.csharp/12.desktop-ui/11.text-controls",{"title":1429,"path":1430,"stem":1431},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","/csharp/desktop-ui/selection-controls","01.csharp/12.desktop-ui/12.selection-controls",{"title":1433,"path":1434,"stem":1435},"Content Model — GroupBox, Expander, TabControl, StatusBar","/csharp/desktop-ui/content-controls","01.csharp/12.desktop-ui/13.content-controls",{"title":1437,"path":1438,"stem":1439},"UI/UX принципи десктопних застосунків","/csharp/desktop-ui/13a.ui-ux-principles","01.csharp/12.desktop-ui/13a.ui-ux-principles",{"title":1441,"path":1442,"stem":1443},"Dependency Properties — Концепція та Value Resolution","/csharp/desktop-ui/dependency-properties-part1","01.csharp/12.desktop-ui/14.dependency-properties-part1",{"title":1445,"path":1446,"stem":1447},"Avalonia Property System — StyledProperty та DirectProperty","/csharp/desktop-ui/14a.avalonia-property-system","01.csharp/12.desktop-ui/14a.avalonia-property-system",{"title":1449,"path":1450,"stem":1451},"Attached Properties — Властивості без меж","/csharp/desktop-ui/attached-properties","01.csharp/12.desktop-ui/15.attached-properties",{"title":1453,"path":1454,"stem":1455},"Routed Events — Маршрутизація подій у WPF","/csharp/desktop-ui/routed-events","01.csharp/12.desktop-ui/16.routed-events",{"title":1457,"path":1458,"stem":1459},"Data Binding — Від Code-Behind до Декларативності","/csharp/desktop-ui/data-binding-basics-part1","01.csharp/12.desktop-ui/17.data-binding-basics-part1",{"title":1461,"path":1462,"stem":1463},"INotifyPropertyChanged — Живе оновлення UI","/csharp/desktop-ui/data-binding-basics-part2","01.csharp/12.desktop-ui/17.data-binding-basics-part2",{"title":1465,"path":1466,"stem":1467},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","/csharp/desktop-ui/17a.avalonia-compiled-bindings","01.csharp/12.desktop-ui/17a.avalonia-compiled-bindings",{"title":1469,"path":1470,"stem":1471},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","/csharp/desktop-ui/data-binding-advanced","01.csharp/12.desktop-ui/18.data-binding-advanced",{"title":1473,"path":1474,"stem":1475},"Value Converters — Перетворення типів даних у Data Binding","/csharp/desktop-ui/value-converters","01.csharp/12.desktop-ui/19.value-converters",{"title":1477,"path":1478,"stem":1479},"Data Templates — Візуалізація об'єктів у WPF","/csharp/desktop-ui/data-templates","01.csharp/12.desktop-ui/20.data-templates",{"title":1481,"path":1482,"stem":1483},"Collections Binding Part 1 — ObservableCollection та ItemsControl","/csharp/desktop-ui/collections-binding-part1","01.csharp/12.desktop-ui/21.collections-binding-part1",{"title":1485,"path":1486,"stem":1487},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","/csharp/desktop-ui/collections-binding-part2","01.csharp/12.desktop-ui/21.collections-binding-part2",{"title":1489,"path":1490,"stem":1491},"MVVM Pattern — Від Spaghetti Code до архітектури","/csharp/desktop-ui/mvvm-pattern","01.csharp/12.desktop-ui/22.mvvm-pattern",{"title":1493,"path":1494,"stem":1495},"ViewModel Implementation — Від BaseViewModel до валідації","/csharp/desktop-ui/viewmodel-implementation","01.csharp/12.desktop-ui/23.viewmodel-implementation",{"title":1497,"path":1498,"stem":1499},"Commands — Від event handlers до декларативних команд","/csharp/desktop-ui/commands","01.csharp/12.desktop-ui/24.commands",{"title":1501,"path":1502,"stem":1503},"MVVM Toolkit — MVVM без boilerplate через Source Generators","/csharp/desktop-ui/mvvm-toolkit","01.csharp/12.desktop-ui/25.mvvm-toolkit",{"title":1505,"path":1506,"stem":1507},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","/csharp/desktop-ui/messenger-pattern","01.csharp/12.desktop-ui/26.messenger-pattern",{"title":1509,"path":1510,"stem":1511},"Стилі WPF — CSS для десктопу","/csharp/desktop-ui/styles-basics","01.csharp/12.desktop-ui/27.styles-basics",{"title":1513,"path":1514,"stem":1515},"CSS-like стилі Avalonia","/csharp/desktop-ui/27a.avalonia-css-styling","01.csharp/12.desktop-ui/27a.avalonia-css-styling",{"title":1517,"path":1518,"stem":1519},"Control Templates — Частина 1. Концепція та TemplateBinding","/csharp/desktop-ui/control-templates-part1","01.csharp/12.desktop-ui/28.control-templates-part1",{"title":1521,"path":1522,"stem":1523},"Control Templates — Частина 2. Named Parts та ContentPresenter","/csharp/desktop-ui/control-templates-part2","01.csharp/12.desktop-ui/28.control-templates-part2",{"title":1525,"path":1526,"stem":1527},"Control Themes в Avalonia — нова ера стилізації","/csharp/desktop-ui/28a.avalonia-control-themes","01.csharp/12.desktop-ui/28a.avalonia-control-themes",{"title":1529,"path":1530,"stem":1531},"Triggers та Visual State Manager у WPF","/csharp/desktop-ui/triggers-visual-states","01.csharp/12.desktop-ui/29.triggers-visual-states",{"title":1533,"path":1534,"stem":1535},"Pseudo-classes в Avalonia — замість WPF Triggers","/csharp/desktop-ui/29a.avalonia-pseudo-classes","01.csharp/12.desktop-ui/29a.avalonia-pseudo-classes",{"title":1537,"path":1538,"stem":1539},"Теми та ресурсні словники у WPF","/csharp/desktop-ui/resources-themes","01.csharp/12.desktop-ui/30.resources-themes",{"title":1541,"path":1542,"stem":1543},"Avalonia Themes — Fluent Design та система тематизації","/csharp/desktop-ui/30a.avalonia-themes-fluent","01.csharp/12.desktop-ui/30a.avalonia-themes-fluent",{"title":1545,"path":1546,"stem":1547},"Контроли колекцій — глибоке занурення","/csharp/desktop-ui/collection-controls","01.csharp/12.desktop-ui/31.collection-controls",{"title":1549,"path":1550,"stem":1551},"DataGrid — колонки та базове відображення","/csharp/desktop-ui/datagrid-part1","01.csharp/12.desktop-ui/32.datagrid-part1",{"title":1553,"path":1554,"stem":1555},"DataGrid — сортування, фільтрація, редагування","/csharp/desktop-ui/datagrid-part2","01.csharp/12.desktop-ui/32.datagrid-part2",{"title":1557,"path":1558,"stem":1559},"TreeView та GridView","/csharp/desktop-ui/treeview-listview","01.csharp/12.desktop-ui/33.treeview-listview",{"title":1561,"path":1562,"stem":1563},"Меню, Toolbar, ContextMenu, StatusBar","/csharp/desktop-ui/menus-toolbars","01.csharp/12.desktop-ui/34.menus-toolbars",{"title":1565,"path":1566,"stem":1567},"Навігація та керування вікнами. Частина 1: вікна та сторінки","/csharp/desktop-ui/navigation-windows-part1","01.csharp/12.desktop-ui/35.navigation-windows-part1",{"title":1569,"path":1570,"stem":1571},"Навігація та керування вікнами. Частина 2: MVVM-навігація","/csharp/desktop-ui/navigation-windows-part2","01.csharp/12.desktop-ui/35.navigation-windows-part2",{"title":1573,"path":1574,"stem":1575},"Avalonia — Навігація та діалоги","/csharp/desktop-ui/35a.avalonia-navigation-dialogs","01.csharp/12.desktop-ui/35a.avalonia-navigation-dialogs",{"title":1577,"path":1578,"stem":1579},"Діалоги та File Pickers у WPF","/csharp/desktop-ui/dialogs-file-pickers","01.csharp/12.desktop-ui/36.dialogs-file-pickers",{"title":1581,"path":1582,"stem":1583},"UserControl: компонентний підхід у WPF","/csharp/desktop-ui/user-controls","01.csharp/12.desktop-ui/37.user-controls",{"title":1585,"path":1586,"stem":1587},"Custom Controls: Lookless Controls у WPF","/csharp/desktop-ui/custom-controls","01.csharp/12.desktop-ui/38.custom-controls",{"title":1589,"path":1590,"stem":1591},"Avalonia TemplatedControl — Lookless Controls","/csharp/desktop-ui/38a.avalonia-templated-controls","01.csharp/12.desktop-ui/38a.avalonia-templated-controls",{"title":1593,"path":1594,"stem":1595},"Анімації у WPF: Storyboard та Easing Functions","/csharp/desktop-ui/animations-transitions","01.csharp/12.desktop-ui/39.animations-transitions",{"title":1597,"path":1598,"stem":1599},"Анімації в Avalonia","/csharp/desktop-ui/39a.avalonia-animations","01.csharp/12.desktop-ui/39a.avalonia-animations",{"title":1601,"path":1602,"stem":1603},"2D Графіка та Мультимедіа у WPF","/csharp/desktop-ui/media-graphics","01.csharp/12.desktop-ui/40.media-graphics",{"title":1605,"path":1606,"stem":1607},"Dependency Injection у WPF та Avalonia","/csharp/desktop-ui/di-integration","01.csharp/12.desktop-ui/41.di-integration",{"title":1609,"path":1610,"stem":1611},"SQLite та EF Core у десктопних додатках","/csharp/desktop-ui/data-persistence-part1","01.csharp/12.desktop-ui/42.data-persistence-part1",{"title":1613,"path":1614,"stem":1615},"Repository Pattern та Unit of Work","/csharp/desktop-ui/data-persistence-part2","01.csharp/12.desktop-ui/43.data-persistence-part2",{"title":1617,"path":1618,"stem":1619},"Тестування ViewModels","/csharp/desktop-ui/viewmodel-testing","01.csharp/12.desktop-ui/44.viewmodel-testing",{"title":1621,"path":1622,"stem":1623},"Avalonia Headless Testing — тестування UI без вікон","/csharp/desktop-ui/44a.avalonia-headless-testing","01.csharp/12.desktop-ui/44a.avalonia-headless-testing",{"title":1625,"path":1626,"stem":1627},"Кросплатформна розробка з Avalonia","/csharp/desktop-ui/avalonia-cross-platform","01.csharp/12.desktop-ui/45.avalonia-cross-platform",{"title":1629,"path":1630,"stem":1631},"Пакування та розгортання Avalonia додатків","/csharp/desktop-ui/avalonia-packaging-deployment","01.csharp/12.desktop-ui/46.avalonia-packaging-deployment",{"title":1633,"path":1634,"stem":1635},"Розгортання WPF застосунків","/csharp/desktop-ui/wpf-packaging-deployment","01.csharp/12.desktop-ui/47.wpf-packaging-deployment",{"title":1637,"path":1638,"stem":1639},"C# & .NET: The Ultimate Roadmap","/csharp/roadmap","01.csharp/roadmap",{"title":1641,"icon":1642,"path":1643,"stem":1644,"children":1645,"page":59},"C++","i-devicon-cplusplus","/cpp","02.cpp",[1646,1650,1654,1658,1662,1666,1670,1674,1678,1681,1685,1689,1693,1697,1701,1705,1709,1713,1717,1721,1725,1729,1733,1737,1741,1745,1749,1753,1757,1761],{"title":1647,"path":1648,"stem":1649},"Вступ у програмування та алгоритми","/cpp/intro-algorithms","02.cpp/01.intro-algorithms",{"title":1651,"path":1652,"stem":1653},"Code Style: угоди про оформлення коду","/cpp/code-style","02.cpp/02.code-style",{"title":1655,"path":1656,"stem":1657},"Середовище розробки та перший проєкт","/cpp/ide-setup","02.cpp/03.ide-setup",{"title":1659,"path":1660,"stem":1661},"Вивід даних на екран","/cpp/data-output","02.cpp/04.data-output",{"title":1663,"path":1664,"stem":1665},"Типи даних, змінні та константи","/cpp/data-types-variables","02.cpp/05.data-types-variables",{"title":1667,"path":1668,"stem":1669},"Ввід даних з клавіатури","/cpp/data-input","02.cpp/06.data-input",{"title":1671,"path":1672,"stem":1673},"Оператори, перетворення типів та логічні операції","/cpp/operators-type-conversion","02.cpp/07.operators-type-conversion",{"title":1675,"path":1676,"stem":1677},"Цикли","/cpp/loops","02.cpp/08.loops",{"title":32,"path":1679,"stem":1680},"/cpp/arrays","02.cpp/09.arrays",{"title":1682,"path":1683,"stem":1684},"Алгоритми сортування та аналіз складності","/cpp/sorting","02.cpp/10.sorting",{"title":1686,"path":1687,"stem":1688},"Алгоритми пошуку","/cpp/searching","02.cpp/11.searching",{"title":1690,"path":1691,"stem":1692},"Функції: основи","/cpp/functions-basics","02.cpp/12.functions-basics",{"title":1694,"path":1695,"stem":1696},"Функції: прототипи, область видимості та додаткові можливості","/cpp/functions-scope","02.cpp/13.functions-scope",{"title":1698,"path":1699,"stem":1700},"Функції: перевантаження та шаблони","/cpp/functions-overloading-templates","02.cpp/14.functions-overloading-templates",{"title":1702,"path":1703,"stem":1704},"Вказівники: основи","/cpp/pointers-basics","02.cpp/15.pointers-basics",{"title":1706,"path":1707,"stem":1708},"Посилання (References)","/cpp/references","02.cpp/16.references",{"title":1710,"path":1711,"stem":1712},"Вказівники, const і масиви","/cpp/pointers-const-arrays","02.cpp/17.pointers-const-arrays",{"title":1714,"path":1715,"stem":1716},"Адресна арифметика","/cpp/pointer-arithmetic","02.cpp/18.pointer-arithmetic",{"title":1718,"path":1719,"stem":1720},"Динамічна пам'ять","/cpp/dynamic-memory","02.cpp/19.dynamic-memory",{"title":1722,"path":1723,"stem":1724},"Вказівники типу void","/cpp/void-pointers","02.cpp/20.void-pointers",{"title":1726,"path":1727,"stem":1728},"Вказівники на вказівники","/cpp/pointers-to-pointers","02.cpp/21.pointers-to-pointers",{"title":1730,"path":1731,"stem":1732},"Оператор доступу до членів через вказівник (->)","/cpp/member-access-operator","02.cpp/22.member-access-operator",{"title":1734,"path":1735,"stem":1736},"Цикл for-each (Range-based for)","/cpp/foreach-loop","02.cpp/23.foreach-loop",{"title":1738,"path":1739,"stem":1740},"Вказівники на функції","/cpp/function-pointers","02.cpp/24.function-pointers",{"title":1742,"path":1743,"stem":1744},"Лямбда-вирази","/cpp/lambdas","02.cpp/25.lambdas",{"title":1746,"path":1747,"stem":1748},"Лямбда-захоплення","/cpp/lambda-captures","02.cpp/26.lambda-captures",{"title":1750,"path":1751,"stem":1752},"Еліпсис","/cpp/ellipsis","02.cpp/27.ellipsis",{"title":1754,"path":1755,"stem":1756},"Аргументи командного рядка","/cpp/command-line-arguments","02.cpp/28.command-line-arguments",{"title":1758,"path":1759,"stem":1760},"Перерахування (enum)","/cpp/enum","02.cpp/29.enum",{"title":1762,"path":1763,"stem":1764},"План навчання: Курс C++ — Продовження (Статті 29–60+)","/cpp/curriculum-plan","02.cpp/curriculum-plan",{"title":1766,"icon":1767,"path":1768,"stem":1769,"children":1770,"page":59},"JavaScript","i-devicon-javascript","/javascript","03.javascript",[1771,1797,1851,1873,2177,2215],{"title":1772,"icon":1773,"path":1774,"stem":1775,"children":1776,"page":59},"Events","i-lucide-mouse-pointer-click","/javascript/events","03.javascript/01.events",[1777,1781,1785,1789,1793],{"title":1778,"path":1779,"stem":1780},"Вступ до подій браузера","/javascript/events/intro","03.javascript/01.events/01.intro",{"title":1782,"path":1783,"stem":1784},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","/javascript/events/bubbling-capturing","03.javascript/01.events/02.bubbling-capturing",{"title":1786,"path":1787,"stem":1788},"Делегування подій (Event Delegation)","/javascript/events/delegate-events","03.javascript/01.events/03.delegate-events",{"title":1790,"path":1791,"stem":1792},"Типові дії браузера та preventDefault()","/javascript/events/prevent-default","03.javascript/01.events/04.prevent-default",{"title":1794,"path":1795,"stem":1796},"Запуск користувацьких подій (Custom Events)","/javascript/events/custom-events","03.javascript/01.events/05.custom-events",{"title":1798,"icon":1799,"path":1800,"stem":1801,"children":1802,"page":59},"Network","i-lucide-globe","/javascript/network","03.javascript/02.network",[1803,1807,1811,1815,1819,1823,1827,1831,1835,1839,1843,1847],{"title":1804,"path":1805,"stem":1806},"Fetch API - Сучасний підхід до HTTP-запитів","/javascript/network/01-fetch-api","03.javascript/02.network/01-fetch-api",{"title":1808,"path":1809,"stem":1810},"FormData - Робота з формами та файлами","/javascript/network/02-formdata","03.javascript/02.network/02-formdata",{"title":1812,"path":1813,"stem":1814},"Відстеження прогресу завантаження","/javascript/network/03-download-progress","03.javascript/02.network/03-download-progress",{"title":1816,"path":1817,"stem":1818},"Переривання fetch-запитів","/javascript/network/04-abort-requests","03.javascript/02.network/04-abort-requests",{"title":1820,"path":1821,"stem":1822},"CORS - Запити між різними джерелами","/javascript/network/05-cors","03.javascript/02.network/05-cors",{"title":1824,"path":1825,"stem":1826},"Fetch API - Повний довідник опцій","/javascript/network/06-fetch-options","03.javascript/02.network/06-fetch-options",{"title":1828,"path":1829,"stem":1830},"URL Objects - Робота з посиланнями","/javascript/network/07-url-objects","03.javascript/02.network/07-url-objects",{"title":1832,"path":1833,"stem":1834},"XMLHttpRequest - AJAX та низькорівневі запити","/javascript/network/08-xmlhttprequest","03.javascript/02.network/08-xmlhttprequest",{"title":1836,"path":1837,"stem":1838},"Відновлюване завантаження файлів","/javascript/network/09-resumable-upload","03.javascript/02.network/09-resumable-upload",{"title":1840,"path":1841,"stem":1842},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","/javascript/network/10-cookies","03.javascript/02.network/10-cookies",{"title":1844,"path":1845,"stem":1846},"js-cookie: Керування Cookies без Болю","/javascript/network/11-js-cookie","03.javascript/02.network/11-js-cookie",{"title":1848,"path":1849,"stem":1850},"Axios: Потужний HTTP-клієнт для JavaScript","/javascript/network/12-axios","03.javascript/02.network/12-axios",{"title":1852,"icon":1853,"path":1854,"stem":1855,"children":1856,"page":59},"Bom","i-lucide-monitor","/javascript/bom","03.javascript/03.bom",[1857,1861,1865,1869],{"title":1858,"path":1859,"stem":1860},"LocalStorage, SessionStorage та patterns збереження даних","/javascript/bom/01-localstorage","03.javascript/03.bom/01-localstorage",{"title":1862,"path":1863,"stem":1864},"Location Object - Керування адресою сторінки","/javascript/bom/02-location-object","03.javascript/03.bom/02-location-object",{"title":1866,"path":1867,"stem":1868},"History API - Керування історією браузера","/javascript/bom/03-history-api","03.javascript/03.bom/03-history-api",{"title":1870,"path":1871,"stem":1872},"Navigator Object - Ідентифікація та Можливості Пристрою","/javascript/bom/04-navigator-object","03.javascript/03.bom/04-navigator-object",{"title":1874,"icon":1875,"path":1876,"stem":1877,"children":1878},"React","i-devicon-react","/javascript/react","03.javascript/04.react/index",[1879,1880,1884,1888,1892,1896,1959,1994,2146],{"title":1874,"path":1876,"stem":1877},{"title":1881,"path":1882,"stem":1883},"Робота з Формами в React","/javascript/react/react-forms","03.javascript/04.react/01.react-forms",{"title":1885,"path":1886,"stem":1887},"React Hook Form: Професійна Робота з Формами","/javascript/react/react-hook-form","03.javascript/04.react/02.react-hook-form",{"title":1889,"path":1890,"stem":1891},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","/javascript/react/react-hook-form-new","03.javascript/04.react/02.react-hook-form-new",{"title":1893,"path":1894,"stem":1895},"Axios та React: Професійна Архітектура Запитів","/javascript/react/data-fetching-axios","03.javascript/04.react/03.data-fetching-axios",{"title":1897,"icon":132,"path":1898,"stem":1899,"children":1900},"Tanstack Query","/javascript/react/tanstack-query","03.javascript/04.react/04.tanstack-query/index",[1901,1903,1907,1911,1915,1919,1923,1927,1931,1935,1939,1943,1947,1951,1955],{"title":1902,"path":1898,"stem":1899},"TanStack Query: Майстерність Керування Станом Сервера",{"title":1904,"path":1905,"stem":1906},"Парадигма Server State: Чому useEffect недостатньо","/javascript/react/tanstack-query/server-state-paradigm","03.javascript/04.react/04.tanstack-query/01.server-state-paradigm",{"title":1908,"path":1909,"stem":1910},"Встановлення та Налаштування: Фундамент","/javascript/react/tanstack-query/installation-and-devtools","03.javascript/04.react/04.tanstack-query/02.installation-and-devtools",{"title":1912,"path":1913,"stem":1914},"Основи Запитів та Магія Ключів","/javascript/react/tanstack-query/query-basics-and-keys","03.javascript/04.react/04.tanstack-query/03.query-basics-and-keys",{"title":1916,"path":1917,"stem":1918},"Синхронізація Даних: Життєвий Цикл Запиту","/javascript/react/tanstack-query/data-synchronization","03.javascript/04.react/04.tanstack-query/04.data-synchronization",{"title":1920,"path":1921,"stem":1922},"Мутації та Інвалідація: Зміна Даних","/javascript/react/tanstack-query/mutations-and-invalidation","03.javascript/04.react/04.tanstack-query/05.mutations-and-invalidation",{"title":1924,"path":1925,"stem":1926},"Оптимістичні Оновлення: Швидше за Світло","/javascript/react/tanstack-query/optimistic-updates","03.javascript/04.react/04.tanstack-query/06.optimistic-updates",{"title":1928,"path":1929,"stem":1930},"Пагінація та Infinite Scroll","/javascript/react/tanstack-query/pagination-and-load-more","03.javascript/04.react/04.tanstack-query/07.pagination-and-load-more",{"title":1932,"path":1933,"stem":1934},"Просунуті Патерни та Оптимізація","/javascript/react/tanstack-query/advanced-patterns","03.javascript/04.react/04.tanstack-query/08.advanced-patterns",{"title":1936,"path":1937,"stem":1938},"Архітектура та Best Practices","/javascript/react/tanstack-query/architecture-and-best-practices","03.javascript/04.react/04.tanstack-query/09.architecture-and-best-practices",{"title":1940,"path":1941,"stem":1942},"Server-Side Rendering (SSR) та Гідратація","/javascript/react/tanstack-query/server-side-rendering","03.javascript/04.react/04.tanstack-query/10.server-side-rendering",{"title":1944,"path":1945,"stem":1946},"Стратегії Тестування","/javascript/react/tanstack-query/testing-strategies","03.javascript/04.react/04.tanstack-query/11.testing-strategies",{"title":1948,"path":1949,"stem":1950},"Аутентифікація та Обробка Помилок","/javascript/react/tanstack-query/authentication-and-errors","03.javascript/04.react/04.tanstack-query/12.authentication-and-errors",{"title":1952,"path":1953,"stem":1954},"React Suspense та Майбутнє","/javascript/react/tanstack-query/react-suspense","03.javascript/04.react/04.tanstack-query/13.react-suspense",{"title":1956,"path":1957,"stem":1958},"Глибоке Занурення в Продуктивність","/javascript/react/tanstack-query/performance-deep-dive","03.javascript/04.react/04.tanstack-query/14.performance-deep-dive",{"title":1960,"icon":1875,"path":1961,"stem":1962,"children":1963},"React Router","/javascript/react/react-router","03.javascript/04.react/05.react-router/index",[1964,1966,1970,1974,1978,1982,1986,1990],{"title":1965,"path":1961,"stem":1962},"React Router: Навігаційна система сучасного вебу",{"title":1967,"path":1968,"stem":1969},"Налаштування та Базовий Роутинг","/javascript/react/react-router/setup-and-basic-routing","03.javascript/04.react/05.react-router/01.setup-and-basic-routing",{"title":1971,"path":1972,"stem":1973},"Динамічна Навігація","/javascript/react/react-router/navigation-and-links","03.javascript/04.react/05.react-router/02.navigation-and-links",{"title":1975,"path":1976,"stem":1977},"Вкладені Маршрути та Макети","/javascript/react/react-router/nested-routes-and-layouts","03.javascript/04.react/05.react-router/03.nested-routes-and-layouts",{"title":1979,"path":1980,"stem":1981},"Динамічні Маршрути та Параметри","/javascript/react/react-router/dynamic-routing","03.javascript/04.react/05.react-router/04.dynamic-routing",{"title":1983,"path":1984,"stem":1985},"Data APIs: Loaders та Actions","/javascript/react/react-router/data-loading","03.javascript/04.react/05.react-router/05.data-loading",{"title":1987,"path":1988,"stem":1989},"Просунуті Патерни","/javascript/react/react-router/advanced-patterns","03.javascript/04.react/05.react-router/06.advanced-patterns",{"title":1991,"path":1992,"stem":1993},"Legacy Routing: Компонентний підхід","/javascript/react/react-router/legacy-routing","03.javascript/04.react/05.react-router/07.legacy-routing",{"title":1995,"icon":132,"path":1996,"stem":1997,"children":1998},"Redux","/javascript/react/redux","03.javascript/04.react/06.redux/index",[1999,2001,2017,2046,2055,2076,2092,2121],{"title":2000,"path":1996,"stem":1997},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2002,"stem":2003,"children":2004,"page":59},"/javascript/react/redux/fundamentals","03.javascript/04.react/06.redux/01.fundamentals",[2005,2009,2013],{"title":2006,"path":2007,"stem":2008},"Вступ до State Management","/javascript/react/redux/fundamentals/intro-state-management","03.javascript/04.react/06.redux/01.fundamentals/01.intro-state-management",{"title":2010,"path":2011,"stem":2012},"Філософія Redux та Три Принципи","/javascript/react/redux/fundamentals/redux-philosophy","03.javascript/04.react/06.redux/01.fundamentals/02.redux-philosophy",{"title":2014,"path":2015,"stem":2016},"Чисті функції та Іммутабельність","/javascript/react/redux/fundamentals/pure-functions-immutability","03.javascript/04.react/06.redux/01.fundamentals/03.pure-functions-immutability",{"title":2018,"icon":132,"path":2019,"stem":2020,"children":2021,"page":59},"Classic Redux","/javascript/react/redux/classic-redux","03.javascript/04.react/06.redux/02.classic-redux",[2022,2026,2030,2034,2038,2042],{"title":2023,"path":2024,"stem":2025},"Створення Store (Classic Redux)","/javascript/react/redux/classic-redux/store-setup","03.javascript/04.react/06.redux/02.classic-redux/01.store-setup",{"title":2027,"path":2028,"stem":2029},"Actions, Constants та Action Creators","/javascript/react/redux/classic-redux/actions-constants","03.javascript/04.react/06.redux/02.classic-redux/02.actions-constants",{"title":2031,"path":2032,"stem":2033},"Логіка Reducers","/javascript/react/redux/classic-redux/reducers","03.javascript/04.react/06.redux/02.classic-redux/03.reducers",{"title":2035,"path":2036,"stem":2037},"Комбінування Reducers (Root Reducer)","/javascript/react/redux/classic-redux/data-flow","03.javascript/04.react/06.redux/02.classic-redux/04.data-flow",{"title":2039,"path":2040,"stem":2041},"Підключення до React (React-Redux)","/javascript/react/redux/classic-redux/react-redux-connection","03.javascript/04.react/06.redux/02.classic-redux/05.react-redux-connection",{"title":2043,"path":2044,"stem":2045},"Middleware та Асинхронність (Redux Thunk)","/javascript/react/redux/classic-redux/middleware-thunk","03.javascript/04.react/06.redux/02.classic-redux/06.middleware-thunk",{"title":2047,"icon":132,"path":2048,"stem":2049,"children":2050,"page":59},"Transition To Rtk","/javascript/react/redux/transition-to-rtk","03.javascript/04.react/06.redux/03.transition-to-rtk",[2051],{"title":2052,"path":2053,"stem":2054},"Проблеми класичного Redux","/javascript/react/redux/transition-to-rtk/problems-with-classic","03.javascript/04.react/06.redux/03.transition-to-rtk/01.problems-with-classic",{"title":2056,"icon":132,"path":2057,"stem":2058,"children":2059,"page":59},"Redux Toolkit","/javascript/react/redux/redux-toolkit","03.javascript/04.react/06.redux/04.redux-toolkit",[2060,2064,2068,2072],{"title":2061,"path":2062,"stem":2063},"Налаштування Store з configureStore","/javascript/react/redux/redux-toolkit/configure-store","03.javascript/04.react/06.redux/04.redux-toolkit/01.configure-store",{"title":2065,"path":2066,"stem":2067},"createSlice: Революція в Redux","/javascript/react/redux/redux-toolkit/create-slice","03.javascript/04.react/06.redux/04.redux-toolkit/02.create-slice",{"title":2069,"path":2070,"stem":2071},"Асинхронність з createAsyncThunk","/javascript/react/redux/redux-toolkit/async-thunks","03.javascript/04.react/06.redux/04.redux-toolkit/03.async-thunks",{"title":2073,"path":2074,"stem":2075},"04. Entity Adapter: Керування нормалізованим станом","/javascript/react/redux/redux-toolkit/entity-adapter","03.javascript/04.react/06.redux/04.redux-toolkit/04.entity-adapter",{"title":2077,"icon":92,"path":2078,"stem":2079,"children":2080,"page":59},"Advanced","/javascript/react/redux/advanced","03.javascript/04.react/06.redux/05.advanced",[2081,2085,2089],{"title":2082,"path":2083,"stem":2084},"Мемоізація та Селектори: Повний Гайд по Reselect","/javascript/react/redux/advanced/selectors-reselect","03.javascript/04.react/06.redux/05.advanced/01.selectors-reselect",{"title":2086,"path":2087,"stem":2088},"RTK Query: Архітектура Серверного Кешу","/javascript/react/redux/advanced/rtk-query-intro","03.javascript/04.react/06.redux/05.advanced/02.rtk-query-intro",{"title":1936,"path":2090,"stem":2091},"/javascript/react/redux/advanced/architecture-best-practices","03.javascript/04.react/06.redux/05.advanced/03.architecture-best-practices",{"title":2093,"icon":132,"path":2094,"stem":2095,"children":2096,"page":59},"Project Kanban","/javascript/react/redux/project-kanban","03.javascript/04.react/06.redux/06.project-kanban",[2097,2101,2105,2109,2113,2117],{"title":2098,"path":2099,"stem":2100},"Проєкт: Kanban Board (Trello Clone)","/javascript/react/redux/project-kanban/project-overview","03.javascript/04.react/06.redux/06.project-kanban/01.project-overview",{"title":2102,"path":2103,"stem":2104},"Налаштування та Типізація","/javascript/react/redux/project-kanban/setup-and-types","03.javascript/04.react/06.redux/06.project-kanban/02.setup-and-types",{"title":2106,"path":2107,"stem":2108},"Board Slice: Серце Дошки","/javascript/react/redux/project-kanban/board-slice","03.javascript/04.react/06.redux/06.project-kanban/03.board-slice",{"title":2110,"path":2111,"stem":2112},"Логіка Drag & Drop","/javascript/react/redux/project-kanban/drag-and-drop-logic","03.javascript/04.react/06.redux/06.project-kanban/04.drag-and-drop-logic",{"title":2114,"path":2115,"stem":2116},"Інтеграція з RTK Query","/javascript/react/redux/project-kanban/rtk-query-integration","03.javascript/04.react/06.redux/06.project-kanban/05.rtk-query-integration",{"title":2118,"path":2119,"stem":2120},"Optimistic Updates","/javascript/react/redux/project-kanban/optimistic-updates","03.javascript/04.react/06.redux/06.project-kanban/06.optimistic-updates",{"title":2122,"icon":132,"path":2123,"stem":2124,"children":2125,"page":59},"Testing","/javascript/react/redux/testing","03.javascript/04.react/06.redux/07.testing",[2126,2130,2134,2138,2142],{"title":2127,"path":2128,"stem":2129},"Тестування Redux","/javascript/react/redux/testing/intro-testing","03.javascript/04.react/06.redux/07.testing/01.intro-testing",{"title":2131,"path":2132,"stem":2133},"Тестування Reducers","/javascript/react/redux/testing/testing-reducers","03.javascript/04.react/06.redux/07.testing/02.testing-reducers",{"title":2135,"path":2136,"stem":2137},"Тестування Селекторів","/javascript/react/redux/testing/testing-selectors","03.javascript/04.react/06.redux/07.testing/03.testing-selectors",{"title":2139,"path":2140,"stem":2141},"Тестування Компонентів (Integration)","/javascript/react/redux/testing/testing-components","03.javascript/04.react/06.redux/07.testing/04.testing-components",{"title":2143,"path":2144,"stem":2145},"Тестування Async Thunks","/javascript/react/redux/testing/testing-thunks","03.javascript/04.react/06.redux/07.testing/05.testing-thunks",{"title":2147,"icon":132,"path":2148,"stem":2149,"children":2150},"Ui Libraries","/javascript/react/ui-libraries","03.javascript/04.react/07.ui-libraries/index",[2151,2153,2157,2161,2165,2169,2173],{"title":2152,"path":2148,"stem":2149},"UI Бібліотеки в React",{"title":2154,"path":2155,"stem":2156},"Вступ до UI Бібліотек: Навіщо Винаходити Велосипед Двічі?","/javascript/react/ui-libraries/introduction-to-ui-libraries","03.javascript/04.react/07.ui-libraries/01.introduction-to-ui-libraries",{"title":2158,"path":2159,"stem":2160},"Філософія shadcn/ui: \"Not a Component Library\"","/javascript/react/ui-libraries/shadcn-philosophy","03.javascript/04.react/07.ui-libraries/02.shadcn-philosophy",{"title":2162,"path":2163,"stem":2164},"Установка та Налаштування shadcn/ui","/javascript/react/ui-libraries/shadcn-installation","03.javascript/04.react/07.ui-libraries/03.shadcn-installation",{"title":2166,"path":2167,"stem":2168},"Базові Компоненти shadcn/ui: Фундамент Інтерфейсу","/javascript/react/ui-libraries/shadcn-components-basics","03.javascript/04.react/07.ui-libraries/04.shadcn-components-basics",{"title":2170,"path":2171,"stem":2172},"Компоненти Форм: Побудова Інтерактивних Form","/javascript/react/ui-libraries/shadcn-components-forms","03.javascript/04.react/07.ui-libraries/05.shadcn-components-forms",{"title":2174,"path":2175,"stem":2176},"Складні Компоненти: Dialog, Dropdown, Table та Command","/javascript/react/ui-libraries/shadcn-components-advanced","03.javascript/04.react/07.ui-libraries/06.shadcn-components-advanced",{"title":2178,"icon":2179,"path":2180,"stem":2181,"children":2182,"page":59},"TypeScript","i-devicon-typescript","/javascript/typescript","03.javascript/05.typescript",[2183,2187,2191,2195,2199,2203,2207,2211],{"title":2184,"path":2185,"stem":2186},"TypeScript: Броня для вашого коду","/javascript/typescript/intro-and-basic-types","03.javascript/05.typescript/01.intro-and-basic-types",{"title":2188,"path":2189,"stem":2190},"Майстерність Моделювання Даних: Інтерфейси та Просунуті Типи","/javascript/typescript/interfaces-and-advanced-types","03.javascript/05.typescript/02.interfaces-and-advanced-types",{"title":2192,"path":2193,"stem":2194},"Алхімія Типів: Generics та Utility Types","/javascript/typescript/generics-and-utilities","03.javascript/05.typescript/03.generics-and-utilities",{"title":2196,"path":2197,"stem":2198},"Архітектура та Шаблони: Класи в TypeScript","/javascript/typescript/classes-and-oop","03.javascript/05.typescript/04.classes-and-oop",{"title":2200,"path":2201,"stem":2202},"Продакшн та Екосистема: Advanced Config & Workflow","/javascript/typescript/advanced-patterns-and-config","03.javascript/05.typescript/05.advanced-patterns-and-config",{"title":2204,"path":2205,"stem":2206},"TypeScript у світі React","/javascript/typescript/react-basics","03.javascript/05.typescript/06.react-basics",{"title":2208,"path":2209,"stem":2210},"React + TypeScript: Продвинуті патерни","/javascript/typescript/react-advanced","03.javascript/05.typescript/07.react-advanced",{"title":2212,"path":2213,"stem":2214},"React + TypeScript: Екосистема та бібліотеки","/javascript/typescript/react-ecosystem","03.javascript/05.typescript/08.react-ecosystem",{"title":2216,"path":2217,"stem":2218},"Atomic Design","/javascript/atomic-design","03.javascript/2.atomic-design",{"title":2220,"icon":2221,"path":2222,"stem":2223,"children":2224,"page":59},"Java","i-devicon-java","/java","04.java",[2225,2228,2231,2235,2239,2243,2247],{"title":162,"path":2226,"stem":2227},"/java/data-mapper-part1","04.java/01.data-mapper-part1",{"title":166,"path":2229,"stem":2230},"/java/data-mapper-part2","04.java/02.data-mapper-part2",{"title":2232,"path":2233,"stem":2234},"Service Layer: Організація бізнес-логіки","/java/service-layer","04.java/03.service-layer",{"title":2236,"path":2237,"stem":2238},"Rich Domain Model та State Pattern","/java/rich-domain-model","04.java/04.rich-domain-model",{"title":2240,"path":2241,"stem":2242},"Патерни для складної бізнес-логіки","/java/business-logic-patterns","04.java/05.business-logic-patterns",{"title":2244,"path":2245,"stem":2246},"Обробка помилок та валідація","/java/error-handling-validation","04.java/06.error-handling-validation",{"title":2248,"path":2249,"stem":2250,"children":2251,"page":59},"Проектування баз даних","/java/pr2","04.java/pr2",[2252,2256,2260,2264,2268,2272,2276,2280,2284,2288,2292,2296,2300,2304,2308,2312,2316,2320,2324,2328,2332,2336,2340,2344,2348],{"title":2253,"path":2254,"stem":2255},"Концептуальне моделювання: Мистецтво розуміння предметної області","/java/pr2/conceptual-modeling","04.java/pr2/01.conceptual-modeling",{"title":2257,"path":2258,"stem":2259},"Логічне моделювання: Від бізнес-ідей до структур даних","/java/pr2/logical-modeling","04.java/pr2/02.logical-modeling",{"title":2261,"path":2262,"stem":2263},"Нормалізація: Гігієна даних та боротьба з аномаліями","/java/pr2/normalization","04.java/pr2/03.normalization",{"title":2265,"path":2266,"stem":2267},"Фізична схема: Від абстракції до DDL","/java/pr2/physical-schema","04.java/pr2/04.physical-schema",{"title":2269,"path":2270,"stem":2271},"Архітектурна класифікація таблиць","/java/pr2/table-classification","04.java/pr2/05.table-classification",{"title":2273,"path":2274,"stem":2275},"Database Migrations: Версіонування схеми з Flyway","/java/pr2/database-migrations","04.java/pr2/06.database-migrations",{"title":2277,"path":2278,"stem":2279},"А що, якби це була не реляційна БД?","/java/pr2/beyond-relational","04.java/pr2/07.beyond-relational",{"title":2281,"path":2282,"stem":2283},"Object-Relational Impedance Mismatch: Два світи, що не хочуть дружити","/java/pr2/impedance-mismatch","04.java/pr2/09.impedance-mismatch",{"title":2285,"path":2286,"stem":2287},"JDBC: Перший контакт із базою даних","/java/pr2/jdbc-fundamentals","04.java/pr2/10.jdbc-fundamentals",{"title":2289,"path":2290,"stem":2291},"Якість коду: Spotless, SpotBugs та SonarQube","/java/pr2/10a.code-quality","04.java/pr2/10a.code-quality",{"title":2293,"path":2294,"stem":2295},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","/java/pr2/connection-pool","04.java/pr2/11.connection-pool",{"title":2297,"path":2298,"stem":2299},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","/java/pr2/row-data-gateway","04.java/pr2/12.row-data-gateway",{"title":2301,"path":2302,"stem":2303},"Table Data Gateway: Фасад таблиці як архітектурний відступ","/java/pr2/table-data-gateway","04.java/pr2/13.table-data-gateway",{"title":2305,"path":2306,"stem":2307},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","/java/pr2/repository-data-mapper","04.java/pr2/14.repository-data-mapper",{"title":2309,"path":2310,"stem":2311},"Identity Map: Кешування сутностей у рамках сесії","/java/pr2/identity-map","04.java/pr2/15.identity-map",{"title":2313,"path":2314,"stem":2315},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","/java/pr2/unit-of-work","04.java/pr2/16.unit-of-work",{"title":2317,"path":2318,"stem":2319},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","/java/pr2/strategy-sql","04.java/pr2/17.strategy-sql",{"title":2321,"path":2322,"stem":2323},"Proxy: Lazy Loading для One-To-Many колекцій","/java/pr2/proxy-lazy-loading","04.java/pr2/18.proxy-lazy-loading",{"title":2325,"path":2326,"stem":2327},"Generic Repository через Java Reflection: анотації та динамічний SQL","/java/pr2/generic-repository-reflection","04.java/pr2/19.generic-repository-reflection",{"title":2329,"path":2330,"stem":2331},"Specification Pattern: Композиція бізнес-правил для складних запитів","/java/pr2/specification-pattern","04.java/pr2/20.specification-pattern",{"title":2333,"path":2334,"stem":2335},"Розширені можливості Specification Pattern: підзапити, агрегації та гібридний підхід","/java/pr2/20a.advanced-specifications","04.java/pr2/20a.advanced-specifications",{"title":2337,"path":2338,"stem":2339},"Асинхронність у JDBC: Від блокуючих викликів до CompletableFuture","/java/pr2/asynchronous-jdbc","04.java/pr2/21.asynchronous-jdbc",{"title":2341,"path":2342,"stem":2343},"Інтеграційне тестування JDBC-репозиторіїв: Embedded H2 та патерн AAA","/java/pr2/integration-testing-h2","04.java/pr2/22.integration-testing-h2",{"title":2345,"path":2346,"stem":2347},"Testcontainers: Тестування з реальною PostgreSQL у Docker-контейнерах","/java/pr2/integration-testing-testcontainers","04.java/pr2/23.integration-testing-testcontainers",{"title":2349,"path":2350,"stem":2351},"Модуль \"Проектування реляційних баз даних\" для 04.java/pr2","/java/pr2/implementation_plan","04.java/pr2/implementation_plan",{"title":2353,"icon":2354,"path":2355,"stem":2356,"children":2357,"page":59},"Бази даних","i-lucide-database","/databases","06.databases",[2358,2388,2411,2448,2477,2495,2529,2541,2550],{"title":2359,"icon":2360,"path":2361,"stem":2362,"children":2363,"page":59},"Intro","i-lucide-play","/databases/intro","06.databases/01.intro",[2364,2368,2372,2376,2380,2384],{"title":2365,"path":2366,"stem":2367},"Введення в теорію баз даних","/databases/intro/introduction-to-databases","06.databases/01.intro/01.introduction-to-databases",{"title":2369,"path":2370,"stem":2371},"Реляційна модель даних","/databases/intro/relational-model-theory","06.databases/01.intro/02.relational-model-theory",{"title":2373,"path":2374,"stem":2375},"ER-моделювання","/databases/intro/er-modeling","06.databases/01.intro/03.er-modeling",{"title":2377,"path":2378,"stem":2379},"Логічне проектування БД","/databases/intro/logical-schema","06.databases/01.intro/04.logical-schema",{"title":2381,"path":2382,"stem":2383},"Класифікація таблиць","/databases/intro/table-classification","06.databases/01.intro/05.table-classification",{"title":2385,"path":2386,"stem":2387},"PlantUML для баз даних","/databases/intro/plantuml-diagrams","06.databases/01.intro/06.plantuml-diagrams",{"title":2389,"icon":2354,"path":2390,"stem":2391,"children":2392,"page":59},"MS SQL Server Start","/databases/ms-sql-server-start","06.databases/02.ms-sql-server-start",[2393,2397,2403,2407],{"title":2394,"path":2395,"stem":2396},"Типи даних у MS SQL Server","/databases/ms-sql-server-start/data-types","06.databases/02.ms-sql-server-start/01.data-types",{"title":2398,"path":2399,"stem":2400,"children":2401},"Індекси у MS SQL Server","/databases/ms-sql-server-start/sql-indexes","06.databases/02.ms-sql-server-start/02.sql-indexes",[2402],{"title":2398,"path":2399,"stem":2400},{"title":2404,"path":2405,"stem":2406},"Системні бази даних MS SQL Server","/databases/ms-sql-server-start/system-databases","06.databases/02.ms-sql-server-start/03.system-databases",{"title":2408,"path":2409,"stem":2410},"Огляд мови SQL та запитів","/databases/ms-sql-server-start/sql-queries-overview","06.databases/02.ms-sql-server-start/04.sql-queries-overview",{"title":2412,"icon":2354,"path":2413,"stem":2414,"children":2415,"page":59},"SQL","/databases/sql","06.databases/03.sql",[2416,2420,2424,2428,2432,2436,2440,2444],{"title":2417,"path":2418,"stem":2419},"Налаштування демонстраційної бази даних","/databases/sql/sample-database-setup","06.databases/03.sql/00.sample-database-setup",{"title":2421,"path":2422,"stem":2423},"DDL - Створення таблиць (CREATE TABLE)","/databases/sql/ddl-create-table","06.databases/03.sql/01.ddl-create-table",{"title":2425,"path":2426,"stem":2427},"DDL - Зміна та видалення таблиць (ALTER, DROP)","/databases/sql/ddl-alter-drop-table","06.databases/03.sql/02.ddl-alter-drop-table",{"title":2429,"path":2430,"stem":2431},"SELECT запити - Основи","/databases/sql/select-queries-fundamentals","06.databases/03.sql/03.select-queries-fundamentals",{"title":2433,"path":2434,"stem":2435},"SELECT запити - Розширені можливості","/databases/sql/select-queries-advanced","06.databases/03.sql/04.select-queries-advanced",{"title":2437,"path":2438,"stem":2439},"INSERT запити - Додавання даних","/databases/sql/insert-queries","06.databases/03.sql/05.insert-queries",{"title":2441,"path":2442,"stem":2443},"UPDATE та DELETE запити","/databases/sql/update-delete-queries","06.databases/03.sql/06.update-delete-queries",{"title":2445,"path":2446,"stem":2447},"Транзакції в SQL","/databases/sql/transactions","06.databases/03.sql/07.transactions",{"title":2449,"icon":2354,"path":2450,"stem":2451,"children":2452,"page":59},"Multi Table Databases","/databases/multi-table-databases","06.databases/04.multi-table-databases",[2453,2457,2461,2465,2469,2473],{"title":2454,"path":2455,"stem":2456},"Зв'язки та нормалізація БД","/databases/multi-table-databases/relationships-and-normalization","06.databases/04.multi-table-databases/00.relationships-and-normalization",{"title":2458,"path":2459,"stem":2460},"INNER JOIN - З'єднання таблиць","/databases/multi-table-databases/inner-join","06.databases/04.multi-table-databases/01.inner-join",{"title":2462,"path":2463,"stem":2464},"OUTER JOINs - LEFT, RIGHT, FULL","/databases/multi-table-databases/outer-joins","06.databases/04.multi-table-databases/02.outer-joins",{"title":2466,"path":2467,"stem":2468},"CROSS та SELF JOINs","/databases/multi-table-databases/cross-self-joins","06.databases/04.multi-table-databases/03.cross-self-joins",{"title":2470,"path":2471,"stem":2472},"Підзапити (Subqueries)","/databases/multi-table-databases/subqueries","06.databases/04.multi-table-databases/04.subqueries",{"title":2474,"path":2475,"stem":2476},"Агрегації з JOIN","/databases/multi-table-databases/aggregations-with-joins","06.databases/04.multi-table-databases/05.aggregations-with-joins",{"title":2478,"icon":2479,"path":2480,"stem":2481,"children":2482,"page":59},"Aggregate Functions","i-lucide-calculator","/databases/aggregate-functions","06.databases/05.aggregate-functions",[2483,2487,2491],{"title":2484,"path":2485,"stem":2486},"Функції агрегування в MS SQL Server","/databases/aggregate-functions/introduction-aggregate-functions","06.databases/05.aggregate-functions/01.introduction-aggregate-functions",{"title":2488,"path":2489,"stem":2490},"Групування даних в MS SQL Server","/databases/aggregate-functions/grouping-data","06.databases/05.aggregate-functions/02.grouping-data",{"title":2492,"path":2493,"stem":2494},"Підзапити з агрегатними функціями","/databases/aggregate-functions/subqueries-aggregates","06.databases/05.aggregate-functions/03.subqueries-aggregates",{"title":2496,"icon":2497,"path":2498,"stem":2499,"children":2500,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","/databases/triggers-stored-procedures","06.databases/07.triggers-stored-procedures",[2501,2505,2509,2513,2517,2521,2525],{"title":2502,"path":2503,"stem":2504},"DML-тригери","/databases/triggers-stored-procedures/dml-triggers","06.databases/07.triggers-stored-procedures/01.dml-triggers",{"title":2506,"path":2507,"stem":2508},"DDL-тригери","/databases/triggers-stored-procedures/ddl-triggers","06.databases/07.triggers-stored-procedures/02.ddl-triggers",{"title":2510,"path":2511,"stem":2512},"Transact-SQL розширення","/databases/triggers-stored-procedures/transact-sql-extensions","06.databases/07.triggers-stored-procedures/03.transact-sql-extensions",{"title":2514,"path":2515,"stem":2516},"Транзакції","/databases/triggers-stored-procedures/transactions","06.databases/07.triggers-stored-procedures/04.transactions",{"title":2518,"path":2519,"stem":2520},"Зберігаємі процедури","/databases/triggers-stored-procedures/stored-procedures","06.databases/07.triggers-stored-procedures/05.stored-procedures",{"title":2522,"path":2523,"stem":2524},"Користувацькі функції","/databases/triggers-stored-procedures/user-defined-functions","06.databases/07.triggers-stored-procedures/06.user-defined-functions",{"title":2526,"path":2527,"stem":2528},"Безпека баз даних","/databases/triggers-stored-procedures/security","06.databases/07.triggers-stored-procedures/08.security",{"title":2526,"icon":793,"path":2530,"stem":2531,"children":2532,"page":59},"/databases/security","06.databases/08.security",[2533,2537],{"title":2534,"path":2535,"stem":2536},"Вступ до безпеки баз даних","/databases/security/introduction","06.databases/08.security/01.introduction",{"title":2538,"path":2539,"stem":2540},"Системні представлення та метадані","/databases/security/system-views","06.databases/08.security/02.system-views",{"title":2542,"icon":2543,"path":2544,"stem":2545,"children":2546,"page":59},"Резервне копіювання та відновлення","i-lucide-database-backup","/databases/backup-recovery","06.databases/09.backup-recovery",[2547],{"title":2542,"path":2548,"stem":2549},"/databases/backup-recovery/backup-restore","06.databases/09.backup-recovery/01.backup-restore",{"title":2551,"icon":2552,"path":2553,"stem":2554,"children":2555,"page":59},"Повнотекстовий пошук","i-lucide-search","/databases/full-text-search","06.databases/10.full-text-search",[2556],{"title":2551,"path":2557,"stem":2558},"/databases/full-text-search/full-text-search","06.databases/10.full-text-search/01.full-text-search",{"title":2560,"icon":2561,"path":2562,"stem":2563,"children":2564,"page":59},"Tools","i-lucide-wrench","/tools","07.tools",[2565],{"title":2566,"icon":2567,"path":2568,"stem":2569,"children":2570},"Docker","i-simple-icons-docker","/tools/docker","07.tools/01.docker/index",[2571,2573,2577,2581,2585,2589,2593,2597,2601,2605,2609,2613,2617,2621,2625,2629,2633,2637],{"title":2572,"path":2568,"stem":2569},"Docker: від нуля до production",{"title":2574,"path":2575,"stem":2576},"Контейнеризація — від проблеми до рішення","/tools/docker/containerization-concept","07.tools/01.docker/01.containerization-concept",{"title":2578,"path":2579,"stem":2580},"Docker — що це і навіщо?","/tools/docker/docker-what-and-why","07.tools/01.docker/02.docker-what-and-why",{"title":2582,"path":2583,"stem":2584},"Архітектура Docker Engine","/tools/docker/docker-architecture","07.tools/01.docker/03.docker-architecture",{"title":2586,"path":2587,"stem":2588},"Встановлення Docker","/tools/docker/installation","07.tools/01.docker/04.installation",{"title":2590,"path":2591,"stem":2592},"Перший контейнер — docker run","/tools/docker/first-container","07.tools/01.docker/05.first-container",{"title":2594,"path":2595,"stem":2596},"Життєвий цикл контейнера","/tools/docker/container-lifecycle","07.tools/01.docker/06.container-lifecycle",{"title":2598,"path":2599,"stem":2600},"Docker Images — фундаментальні концепції","/tools/docker/docker-images-fundamentals","07.tools/01.docker/07.docker-images-fundamentals",{"title":2602,"path":2603,"stem":2604},"Dockerfile — основи","/tools/docker/dockerfile-basics","07.tools/01.docker/08.dockerfile-basics",{"title":2606,"path":2607,"stem":2608},"Dockerfile — просунуті техніки","/tools/docker/dockerfile-advanced","07.tools/01.docker/09.dockerfile-advanced",{"title":2610,"path":2611,"stem":2612},"Build Context та кешування шарів","/tools/docker/build-context-and-cache","07.tools/01.docker/10.build-context-and-cache",{"title":2614,"path":2615,"stem":2616},"Реєстри Docker-образів","/tools/docker/image-registries","07.tools/01.docker/11.image-registries",{"title":2618,"path":2619,"stem":2620},"Контейнеризація .NET додатків","/tools/docker/dotnet-containerization","07.tools/01.docker/12.dotnet-containerization",{"title":2622,"path":2623,"stem":2624},"Томи та збереження даних","/tools/docker/volumes-and-data","07.tools/01.docker/13.volumes-and-data",{"title":2626,"path":2627,"stem":2628},"Основи мережі в Docker","/tools/docker/networking-basics","07.tools/01.docker/14.networking-basics",{"title":2630,"path":2631,"stem":2632},"Змінні оточення та конфігурація","/tools/docker/environment-and-configuration","07.tools/01.docker/15.environment-and-configuration",{"title":2634,"path":2635,"stem":2636},"Docker Compose — оркестрація контейнерів","/tools/docker/docker-compose-basics","07.tools/01.docker/16.docker-compose-basics",{"title":2638,"path":2639,"stem":2640},"Docker Compose — Multi-Service застосунки","/tools/docker/compose-multi-service","07.tools/01.docker/17.compose-multi-service",{"title":2642,"icon":2643,"path":2644,"stem":2645,"children":2646,"page":59},"Software Engineering","i-lucide-code-2","/software-engineering","09.software-engineering",[2647,2651,2655,2659,2663,2667,2671,2675,2679,2683,2687],{"title":2648,"path":2649,"stem":2650},"1. Аналіз предметної області. Експертні знання та складність","/software-engineering/intro.subdomains","09.software-engineering/01.intro.subdomains",{"title":2652,"path":2653,"stem":2654},"2. Обмежені контексти. Інтеграція обмежених контекстів","/software-engineering/integrating-limited-contexts","09.software-engineering/02.integrating-limited-contexts",{"title":2656,"path":2657,"stem":2658},"3. Реалізація простої бізнес-логіки","/software-engineering/simple","09.software-engineering/03.simple",{"title":2660,"path":2661,"stem":2662},"4. Опрацювання складної бізнес-логіки","/software-engineering/complex-business-logic","09.software-engineering/04.complex-business-logic",{"title":2664,"path":2665,"stem":2666},"5. Моделювання фактора часу. Подієво-орієнтована архітектура.","/software-engineering/modelling-the-time-factor","09.software-engineering/05.modelling-the-time-factor",{"title":2668,"path":2669,"stem":2670},"6. Архітектурні патерни","/software-engineering/architectural-patterns","09.software-engineering/06.architectural-patterns",{"title":2672,"path":2673,"stem":2674},"Паттерни взаємодії","/software-engineering/patterns-of-interaction","09.software-engineering/07.patterns-of-interaction",{"title":2676,"path":2677,"stem":2678},"Евристика проєктування","/software-engineering/design-heuristics","09.software-engineering/08.design-heuristics",{"title":2680,"path":2681,"stem":2682},"Еволюція проєктних рішень","/software-engineering/evolution-of-design-solutions","09.software-engineering/09.evolution-of-design-solutions",{"title":2684,"path":2685,"stem":2686},"EventStorming","/software-engineering/eventstorming","09.software-engineering/10.eventstorming",{"title":2688,"path":2689,"stem":2690},"DDD на практиці","/software-engineering/ddd-in-practice","09.software-engineering/11.ddd-in-practice",{"title":2692,"icon":943,"path":2693,"stem":2694,"children":2695,"page":59},"DDD","/ddd","10.ddd",[2696,2700,2704,2708,2712,2716,2720,2724,2728,2732,2736,2740,2744],{"title":2697,"path":2698,"stem":2699},"Аналіз предметної області","/ddd/domain-analysis","10.ddd/01.domain-analysis",{"title":2701,"path":2702,"stem":2703},"Експертні знання про предметну область","/ddd/domain-expert-knowledge","10.ddd/02.domain-expert-knowledge",{"title":2705,"path":2706,"stem":2707},"Як осмислити складність предметної області","/ddd/managing-domain-complexity","10.ddd/03.managing-domain-complexity",{"title":2709,"path":2710,"stem":2711},"Інтеграція обмежених контекстів","/ddd/bounded-context-integration","10.ddd/04.bounded-context-integration",{"title":2713,"path":2714,"stem":2715},"Реалізація простої бізнес-логіки","/ddd/simple-business-logic","10.ddd/05.simple-business-logic",{"title":2717,"path":2718,"stem":2719},"Обробка складної бізнес-логіки","/ddd/complex-business-logic","10.ddd/06.complex-business-logic",{"title":2721,"path":2722,"stem":2723},"Моделювання фактора часу","/ddd/time-modeling","10.ddd/07.time-modeling",{"title":2725,"path":2726,"stem":2727},"Глава 8. Архітектурні Патерни","/ddd/architectural-patterns","10.ddd/08.architectural-patterns",{"title":2729,"path":2730,"stem":2731},"Глава 9. Патерни Взаємодії","/ddd/interaction-patterns","10.ddd/09.interaction-patterns",{"title":2733,"path":2734,"stem":2735},"Глава 10. Проектні Евристики","/ddd/design-heuristics","10.ddd/10.design-heuristics",{"title":2737,"path":2738,"stem":2739},"Глава 11. Еволюція Проектних Рішень","/ddd/evolution-of-design-decisions","10.ddd/11.evolution-of-design-decisions",{"title":2741,"path":2742,"stem":2743},"Глава 12. EventStorming","/ddd/event-storming","10.ddd/12.event-storming",{"title":2745,"path":2746,"stem":2747},"Глава 13. DDD на Практиці","/ddd/ddd-in-practice","10.ddd/13.ddd-in-practice",{"title":2749,"icon":2750,"path":2751,"stem":2752,"children":2753,"page":59},"Media Streaming","i-lucide-video","/media-streaming","11.media-streaming",[2754,2758,2762,2766,2770,2774,2778],{"title":2755,"path":2756,"stem":2757},"01. Магія Стрімінгу: Що відбувається, коли ви натискаєте \"Play\"","/media-streaming/introduction","11.media-streaming/01.introduction",{"title":2759,"path":2760,"stem":2761},"02. Анатомія Медіа: Кодеки, Контейнери та Стиснення","/media-streaming/audio-video-anatomy","11.media-streaming/02.audio-video-anatomy",{"title":2763,"path":2764,"stem":2765},"03. The Gym: FFmpeg Deep Dive","/media-streaming/ffmpeg-gym","11.media-streaming/03.ffmpeg-gym",{"title":2767,"path":2768,"stem":2769},"04. HLS Protocol: HTTP Live Streaming у Деталях","/media-streaming/hls-protocol","11.media-streaming/04.hls-protocol",{"title":2771,"path":2772,"stem":2773},"05. DASH Protocol: Відкритий Стандарт","/media-streaming/dash-protocol","11.media-streaming/05.dash-protocol",{"title":2775,"path":2776,"stem":2777},"06. Масштабування: CDN та Adaptive Bitrate","/media-streaming/cdn-and-adaptive-bitrate","11.media-streaming/06.cdn-and-adaptive-bitrate",{"title":2779,"path":2780,"stem":2781},"07. Війна із Затримкою (Latency)","/media-streaming/realtime-latency","11.media-streaming/07.realtime-latency",{"title":2783,"icon":2784,"path":2785,"stem":2786,"children":2787,"page":59},"HTML & CSS","i-devicon-html5","/html-css","12.html-css",[2788,2792,2796,2800,2804,2808,2812,2816,2820,2824,2828,2832,2836,2840,2844,2848,2852,2856,2860,2864,2868,2872,2876,2880,2884,2888,2892,2896,2900,2904],{"title":2789,"path":2790,"stem":2791},"Вступ до HTML. Структура документа","/html-css/intro-html-structure","12.html-css/01.intro-html-structure",{"title":2793,"path":2794,"stem":2795},"Форматування тексту в HTML","/html-css/html-text-formatting","12.html-css/02.html-text-formatting",{"title":2797,"path":2798,"stem":2799},"Посилання та зображення в HTML","/html-css/html-links-images","12.html-css/03.html-links-images",{"title":2801,"path":2802,"stem":2803},"Списки та таблиці в HTML","/html-css/html-lists-tables","12.html-css/04.html-lists-tables",{"title":2805,"path":2806,"stem":2807},"Форми в HTML","/html-css/html-forms","12.html-css/05.html-forms",{"title":2809,"path":2810,"stem":2811},"Семантичні елементи HTML5","/html-css/html-semantic-elements","12.html-css/06.html-semantic-elements",{"title":2813,"path":2814,"stem":2815},"Мультимедіа та розширені елементи HTML","/html-css/html-multimedia-advanced","12.html-css/07.html-multimedia-advanced",{"title":2817,"path":2818,"stem":2819},"Мікророзмітка та SEO в HTML","/html-css/html-microdata-seo","12.html-css/08.html-microdata-seo",{"title":2821,"path":2822,"stem":2823},"Вступ до CSS. Селектори та специфічність","/html-css/css-intro-selectors","12.html-css/09.css-intro-selectors",{"title":2825,"path":2826,"stem":2827},"Блокова модель CSS. Відступи. Box Sizing","/html-css/css-box-model","12.html-css/10.css-box-model",{"title":2829,"path":2830,"stem":2831},"Розміри у CSS: повний довідник одиниць і ключових слів","/html-css/10a.css-sizing","12.html-css/10a.css-sizing",{"title":2833,"path":2834,"stem":2835},"Типографіка в CSS. Шрифти та текст","/html-css/css-typography","12.html-css/11.css-typography",{"title":2837,"path":2838,"stem":2839},"Кольори та фони в CSS","/html-css/css-colors-backgrounds","12.html-css/12.css-colors-backgrounds",{"title":2841,"path":2842,"stem":2843},"Тіні та фільтри в CSS","/html-css/12b.css-shadows-filters","12.html-css/12b.css-shadows-filters",{"title":2845,"path":2846,"stem":2847},"CSS Flexbox: Фундамент гнучких макетів","/html-css/css-flexbox-fundamentals","12.html-css/13.css-flexbox-fundamentals",{"title":2849,"path":2850,"stem":2851},"CSS Flexbox: Вирівнювання та Позиціонування","/html-css/css-flexbox-alignment-sizing-and-patterns","12.html-css/14.css-flexbox-alignment-sizing-and-patterns",{"title":2853,"path":2854,"stem":2855},"CSS Grid. Двовимірний макет. Частина 1","/html-css/css-layout-grid","12.html-css/15.css-layout-grid",{"title":2857,"path":2858,"stem":2859},"CSS Grid. Двовимірний макет. Частина 2","/html-css/css-layout-grid-advanced","12.html-css/16.css-layout-grid-advanced",{"title":2861,"path":2862,"stem":2863},"Позиціонування в CSS. Z-index. Stacking Context","/html-css/css-positioning","12.html-css/17.css-positioning",{"title":2865,"path":2866,"stem":2867},"CSS Анімації та Переходи","/html-css/css-animations-transitions","12.html-css/18.css-animations-transitions",{"title":2869,"path":2870,"stem":2871},"Адаптивний дизайн. Media Queries. Частина 1","/html-css/css-responsive-media-queries","12.html-css/19.css-responsive-media-queries",{"title":2873,"path":2874,"stem":2875},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","/html-css/css-responsive-advanced","12.html-css/20.css-responsive-advanced",{"title":2877,"path":2878,"stem":2879},"CSS Custom Properties. Методології. Сучасний CSS","/html-css/css-variables-methodologies","12.html-css/21.css-variables-methodologies",{"title":2881,"path":2882,"stem":2883},"Сучасний CSS 2023–2025: Нові можливості","/html-css/css-modern-features","12.html-css/22.css-modern-features",{"title":2885,"path":2886,"stem":2887},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","/html-css/22a.css-nesting-modern-syntax","12.html-css/22a.css-nesting-modern-syntax",{"title":2889,"path":2890,"stem":2891},"CSS для форм та інтерактивних станів","/html-css/css-forms-interactive-states","12.html-css/23.css-forms-interactive-states",{"title":2893,"path":2894,"stem":2895},"Доступність у CSS (CSS Accessibility)","/html-css/css-accessibility","12.html-css/24.css-accessibility",{"title":2897,"path":2898,"stem":2899},"CSS-функції та сучасні sizing primitives","/html-css/css-functions-sizing","12.html-css/25.css-functions-sizing",{"title":2901,"path":2902,"stem":2903},"Rendering Pipeline і CSS Performance","/html-css/css-rendering-performance","12.html-css/26.css-rendering-performance",{"title":2905,"path":2906,"stem":2907},"CSS Best Practices: типові ситуації та правильні рішення","/html-css/css-best-practices","12.html-css/27.css-best-practices",{"title":2909,"path":2910,"stem":2911,"children":2912,"page":59},"Tailwind","/tailwind","21.tailwind",[2913,2917,2921,2925,2929,2933,2937,2941],{"title":2914,"path":2915,"stem":2916},"Що таке Tailwind CSS і навіщо він потрібен","/tailwind/tailwind-intro-philosophy","21.tailwind/01.tailwind-intro-philosophy",{"title":2918,"path":2919,"stem":2920},"Встановлення та налаштування Tailwind CSS v4","/tailwind/tailwind-installation-setup","21.tailwind/02.tailwind-installation-setup",{"title":2922,"path":2923,"stem":2924},"Utility-класи: основи та система Tailwind","/tailwind/tailwind-utility-classes-core","21.tailwind/03.tailwind-utility-classes-core",{"title":2926,"path":2927,"stem":2928},"Layout: Flexbox та Grid через Tailwind","/tailwind/tailwind-flexbox-grid","21.tailwind/04.tailwind-flexbox-grid",{"title":2930,"path":2931,"stem":2932},"Кастомізація теми через @theme у Tailwind v4","/tailwind/tailwind-theme-customization","21.tailwind/05.tailwind-theme-customization",{"title":2934,"path":2935,"stem":2936},"Варіанти: hover, focus, responsive, dark mode та нові v4","/tailwind/tailwind-variants-states","21.tailwind/06.tailwind-variants-states",{"title":2938,"path":2939,"stem":2940},"Типографіка та система кольорів у Tailwind v4","/tailwind/tailwind-typography-colors","21.tailwind/07.tailwind-typography-colors",{"title":2942,"path":2943,"stem":2944},"Компоненти та повторюваність: @apply, @utility та патерни","/tailwind/tailwind-components-patterns","21.tailwind/08.tailwind-components-patterns",{"title":2946,"path":2947,"stem":2948},"Showcase Компонентів kostyl.dev","/test-new-components","98.test-new-components",{"id":2950,"title":467,"body":2951,"description":9366,"extension":9367,"links":9368,"meta":9369,"navigation":3312,"path":468,"seo":9370,"stem":469,"__hash__":9371},"docs/01.csharp/10.ef-core/02.first-project.md",{"type":2952,"value":2953,"toc":9312},"minimark",[2954,2959,2964,2973,2989,2992,3012,3020,3023,3027,3030,3071,3074,3148,3158,3160,3164,3171,3362,3546,3549,3554,3586,3590,3593,3634,3637,3641,3695,3715,3728,3734,3747,3749,3753,3771,3933,3936,3940,3952,3978,3985,3989,4018,4032,4048,4059,4063,4073,4082,4084,4088,4097,4150,4154,4161,4165,4168,4178,4217,4223,4256,4265,4267,4271,4277,4286,4296,4416,4419,4496,4499,4568,4573,4579,4581,4585,4588,4591,4595,4633,4644,4647,4658,4662,4668,4677,4765,4767,4771,4774,5233,5236,5370,5372,5376,5379,5595,5598,5602,5618,5640,5644,5647,5710,5719,5723,5726,5791,5803,5805,5809,5812,5816,5957,5966,5970,6189,6192,6237,6240,6310,6325,6329,6569,6593,6596,6598,6602,6609,6850,6854,6871,6889,6941,6952,6964,6966,6970,6973,7086,7099,7126,7130,7137,7228,7230,7256,7267,7269,7273,7276,7280,7374,7377,7415,7419,7436,7479,7483,7486,7557,7559,7563,7566,8489,8572,8574,8578,8581,8708,8711,8725,8737,8807,8809,8813,8816,9047,9049,9053,9224,9226,9230,9308],[2955,2956,2958],"h1",{"id":2957},"перший-проєкт-від-нуля-до-crud","Перший проєкт: від нуля до CRUD",[2960,2961,2963],"h2",{"id":2962},"з-чого-все-починається","З чого все починається",[2965,2966,2967,2968,2972],"p",{},"У попередній статті ми з'ясували, ",[2969,2970,2971],"strong",{},"чому"," існують ORM-фреймворки та яке місце EF Core займає в архітектурі .NET-застосунку. Тепер — практика. Найкращий спосіб зрозуміти нову технологію — створити щось реальне і спостерігати за кожним кроком.",[2965,2974,2975,2976,2980,2981,2984,2985,2988],{},"Ми побудуємо просту систему каталогу книг: сутності ",[2977,2978,2979],"code",{},"Author"," і ",[2977,2982,2983],{},"Book",", один DbContext, і повний набір операцій — Create, Read, Update, Delete. Але головне не сам CRUD — головне розібрати ",[2969,2986,2987],{},"кожен рядок"," цього коду: чому він написаний саме так, що відбувається під час виконання та яких помилок уникнути на самому початку.",[2965,2990,2991],{},"До кінця статті у вас буде:",[2993,2994,2995,2999,3002,3005],"ul",{},[2996,2997,2998],"li",{},"Повністю налаштований EF Core проєкт з реальною базою даних",[2996,3000,3001],{},"Розуміння того, що робить кожен компонент: DbContext, DbSet, SaveChanges",[2996,3003,3004],{},"Вміння читати SQL-запити, що генерує EF Core",[2996,3006,3007,3008,3011],{},"Чітке розуміння різниці між ",[2977,3009,3010],{},"EnsureCreated()"," та міграціями",[3013,3014,3015,3016,3019],"note",{},"Для цього розділу ми використовуємо ",[2969,3017,3018],{},"SQLite"," — базу даних у вигляді одного файлу, яка не вимагає встановлення сервера. Це ідеальний вибір для навчання. У реальних проєктах ви будете використовувати PostgreSQL або SQL Server — перехід займе зміну двох рядків коду.",[3021,3022],"hr",{},[2960,3024,3026],{"id":3025},"встановлення-три-пакети-які-вам-потрібні","Встановлення: три пакети, які вам потрібні",[2965,3028,3029],{},"Проєкт EF Core складається з кількох NuGet-пакетів. Кожен відповідає за свою частину:",[3031,3032,3033,3047,3059],"card-group",{},[3034,3035,3038,3039,3042,3043,3046],"card",{"icon":3036,"title":3037},"i-lucide-package","Microsoft.EntityFrameworkCore","Ядро фреймворку. Містить ",[2977,3040,3041],{},"DbContext",", ",[2977,3044,3045],{},"DbSet\u003CT>",", LINQ-провайдер, Change Tracker, систему моделювання. Не залежить від конкретної СУБД.",[3034,3048,3050,3051,3054,3055,3058],{"icon":2354,"title":3049},"Microsoft.EntityFrameworkCore.Sqlite","Провайдер для SQLite. Транслює LINQ у SQL-діалект SQLite та реалізує з'єднання. Для PostgreSQL — ",[2977,3052,3053],{},"Npgsql.EntityFrameworkCore.PostgreSQL",", для SQL Server — ",[2977,3056,3057],{},"Microsoft.EntityFrameworkCore.SqlServer",".",[3034,3060,3063,3064,3042,3067,3070],{"icon":3061,"title":3062},"i-lucide-terminal","Microsoft.EntityFrameworkCore.Tools","Інструменти командного рядка. Потрібні для команд ",[2977,3065,3066],{},"dotnet ef migrations add",[2977,3068,3069],{},"dotnet ef database update"," тощо. Встановлюється лише для розробки.",[2965,3072,3073],{},"Створимо консольний проєкт і додамо пакети:",[3075,3076,3079,3094,3104,3107,3116,3125,3132,3141],"terminal-preview",{":cursor":3077,"title":3078},"false","dotnet CLI",[3080,3081,3084,3090,3091],"div",{"className":3082},[3083],"line",[3085,3086,3089],"span",{"className":3087},[3088],"opacity-40","$"," ",[2969,3092,3093],{},"dotnet new console -n BookCatalog",[3080,3095,3097,3103],{"className":3096},[3083],[3085,3098,3102],{"className":3099},[3100,3101],"text-green-400","font-bold","✓"," Template \"Console App\" was created successfully.",[3080,3105],{"className":3106},[3083],[3080,3108,3110,3090,3113],{"className":3109},[3083],[3085,3111,3089],{"className":3112},[3088],[2969,3114,3115],{},"cd BookCatalog",[3080,3117,3119,3090,3122],{"className":3118},[3083],[3085,3120,3089],{"className":3121},[3088],[2969,3123,3124],{},"dotnet add package Microsoft.EntityFrameworkCore.Sqlite",[3080,3126,3128,3131],{"className":3127},[3083],[3085,3129,3102],{"className":3130},[3100,3101]," PackageReference for Microsoft.EntityFrameworkCore.Sqlite added.",[3080,3133,3135,3090,3138],{"className":3134},[3083],[3085,3136,3089],{"className":3137},[3088],[2969,3139,3140],{},"dotnet add package Microsoft.EntityFrameworkCore.Tools",[3080,3142,3144,3147],{"className":3143},[3083],[3085,3145,3102],{"className":3146},[3100,3101]," PackageReference for Microsoft.EntityFrameworkCore.Tools added.",[2965,3149,3150,3151,3153,3154,3157],{},"Зверніть увагу: ",[2977,3152,3037],{}," не потрібно додавати окремо — він є транзитивною залежністю провайдера ",[2977,3155,3156],{},"Sqlite"," і підтягнеться автоматично.",[3021,3159],{},[2960,3161,3163],{"id":3162},"сутності-c-класи-що-відображають-таблиці","Сутності: C#-класи, що відображають таблиці",[2965,3165,3166,3167,3170],{},"Перший крок у будь-якому EF Core проєкті — описати ",[2969,3168,3169],{},"сутності"," (entities). Сутність — це звичайний C#-клас, що представляє таблицю в базі даних. Кожна властивість класу відповідає стовпцю.",[3172,3173,3179],"pre",{"className":3174,"code":3175,"filename":3176,"language":3177,"meta":3178,"style":3178},"language-csharp shiki shiki-themes light-plus dark-plus dark-plus","public class Author\n{\n    public int Id { get; set; }\n    public string Name { get; set; } = string.Empty;\n    public string? Biography { get; set; }\n    public DateTime BornAt { get; set; }\n\n    public ICollection\u003CBook> Books { get; set; } = new List\u003CBook>();\n}\n","Models/Author.cs","csharp","",[2977,3180,3181,3195,3202,3230,3263,3286,3307,3314,3356],{"__ignoreMap":3178},[3085,3182,3184,3188,3191],{"class":3083,"line":3183},1,[3085,3185,3187],{"class":3186},"su1O8","public",[3085,3189,3190],{"class":3186}," class",[3085,3192,3194],{"class":3193},"sN1BT"," Author\n",[3085,3196,3198],{"class":3083,"line":3197},2,[3085,3199,3201],{"class":3200},"sHH4Y","{\n",[3085,3203,3205,3208,3211,3215,3218,3221,3224,3227],{"class":3083,"line":3204},3,[3085,3206,3207],{"class":3186},"    public",[3085,3209,3210],{"class":3186}," int",[3085,3212,3214],{"class":3213},"siwwj"," Id",[3085,3216,3217],{"class":3200}," { ",[3085,3219,3220],{"class":3186},"get",[3085,3222,3223],{"class":3200},"; ",[3085,3225,3226],{"class":3186},"set",[3085,3228,3229],{"class":3200},"; }\n",[3085,3231,3233,3235,3238,3241,3243,3245,3247,3249,3252,3255,3257,3260],{"class":3083,"line":3232},4,[3085,3234,3207],{"class":3186},[3085,3236,3237],{"class":3186}," string",[3085,3239,3240],{"class":3213}," Name",[3085,3242,3217],{"class":3200},[3085,3244,3220],{"class":3186},[3085,3246,3223],{"class":3200},[3085,3248,3226],{"class":3186},[3085,3250,3251],{"class":3200},"; } = ",[3085,3253,3254],{"class":3186},"string",[3085,3256,3058],{"class":3200},[3085,3258,3259],{"class":3213},"Empty",[3085,3261,3262],{"class":3200},";\n",[3085,3264,3266,3268,3270,3273,3276,3278,3280,3282,3284],{"class":3083,"line":3265},5,[3085,3267,3207],{"class":3186},[3085,3269,3237],{"class":3186},[3085,3271,3272],{"class":3200},"? ",[3085,3274,3275],{"class":3213},"Biography",[3085,3277,3217],{"class":3200},[3085,3279,3220],{"class":3186},[3085,3281,3223],{"class":3200},[3085,3283,3226],{"class":3186},[3085,3285,3229],{"class":3200},[3085,3287,3289,3291,3294,3297,3299,3301,3303,3305],{"class":3083,"line":3288},6,[3085,3290,3207],{"class":3186},[3085,3292,3293],{"class":3193}," DateTime",[3085,3295,3296],{"class":3213}," BornAt",[3085,3298,3217],{"class":3200},[3085,3300,3220],{"class":3186},[3085,3302,3223],{"class":3200},[3085,3304,3226],{"class":3186},[3085,3306,3229],{"class":3200},[3085,3308,3310],{"class":3083,"line":3309},7,[3085,3311,3313],{"emptyLinePlaceholder":3312},true,"\n",[3085,3315,3317,3319,3322,3325,3327,3330,3333,3335,3337,3339,3341,3343,3346,3349,3351,3353],{"class":3083,"line":3316},8,[3085,3318,3207],{"class":3186},[3085,3320,3321],{"class":3193}," ICollection",[3085,3323,3324],{"class":3200},"\u003C",[3085,3326,2983],{"class":3193},[3085,3328,3329],{"class":3200},"> ",[3085,3331,3332],{"class":3213},"Books",[3085,3334,3217],{"class":3200},[3085,3336,3220],{"class":3186},[3085,3338,3223],{"class":3200},[3085,3340,3226],{"class":3186},[3085,3342,3251],{"class":3200},[3085,3344,3345],{"class":3186},"new",[3085,3347,3348],{"class":3193}," List",[3085,3350,3324],{"class":3200},[3085,3352,2983],{"class":3193},[3085,3354,3355],{"class":3200},">();\n",[3085,3357,3359],{"class":3083,"line":3358},9,[3085,3360,3361],{"class":3200},"}\n",[3172,3363,3366],{"className":3174,"code":3364,"filename":3365,"language":3177,"meta":3178,"style":3178},"public class Book\n{\n    public int Id { get; set; }\n    public string Title { get; set; } = string.Empty;\n    public string Isbn { get; set; } = string.Empty;\n    public int Year { get; set; }\n    public decimal Price { get; set; }\n\n    public int AuthorId { get; set; }\n    public Author Author { get; set; } = null!;\n}\n","Models/Book.cs",[2977,3367,3368,3377,3381,3399,3426,3453,3472,3492,3496,3515,3541],{"__ignoreMap":3178},[3085,3369,3370,3372,3374],{"class":3083,"line":3183},[3085,3371,3187],{"class":3186},[3085,3373,3190],{"class":3186},[3085,3375,3376],{"class":3193}," Book\n",[3085,3378,3379],{"class":3083,"line":3197},[3085,3380,3201],{"class":3200},[3085,3382,3383,3385,3387,3389,3391,3393,3395,3397],{"class":3083,"line":3204},[3085,3384,3207],{"class":3186},[3085,3386,3210],{"class":3186},[3085,3388,3214],{"class":3213},[3085,3390,3217],{"class":3200},[3085,3392,3220],{"class":3186},[3085,3394,3223],{"class":3200},[3085,3396,3226],{"class":3186},[3085,3398,3229],{"class":3200},[3085,3400,3401,3403,3405,3408,3410,3412,3414,3416,3418,3420,3422,3424],{"class":3083,"line":3232},[3085,3402,3207],{"class":3186},[3085,3404,3237],{"class":3186},[3085,3406,3407],{"class":3213}," Title",[3085,3409,3217],{"class":3200},[3085,3411,3220],{"class":3186},[3085,3413,3223],{"class":3200},[3085,3415,3226],{"class":3186},[3085,3417,3251],{"class":3200},[3085,3419,3254],{"class":3186},[3085,3421,3058],{"class":3200},[3085,3423,3259],{"class":3213},[3085,3425,3262],{"class":3200},[3085,3427,3428,3430,3432,3435,3437,3439,3441,3443,3445,3447,3449,3451],{"class":3083,"line":3265},[3085,3429,3207],{"class":3186},[3085,3431,3237],{"class":3186},[3085,3433,3434],{"class":3213}," Isbn",[3085,3436,3217],{"class":3200},[3085,3438,3220],{"class":3186},[3085,3440,3223],{"class":3200},[3085,3442,3226],{"class":3186},[3085,3444,3251],{"class":3200},[3085,3446,3254],{"class":3186},[3085,3448,3058],{"class":3200},[3085,3450,3259],{"class":3213},[3085,3452,3262],{"class":3200},[3085,3454,3455,3457,3459,3462,3464,3466,3468,3470],{"class":3083,"line":3288},[3085,3456,3207],{"class":3186},[3085,3458,3210],{"class":3186},[3085,3460,3461],{"class":3213}," Year",[3085,3463,3217],{"class":3200},[3085,3465,3220],{"class":3186},[3085,3467,3223],{"class":3200},[3085,3469,3226],{"class":3186},[3085,3471,3229],{"class":3200},[3085,3473,3474,3476,3479,3482,3484,3486,3488,3490],{"class":3083,"line":3309},[3085,3475,3207],{"class":3186},[3085,3477,3478],{"class":3186}," decimal",[3085,3480,3481],{"class":3213}," Price",[3085,3483,3217],{"class":3200},[3085,3485,3220],{"class":3186},[3085,3487,3223],{"class":3200},[3085,3489,3226],{"class":3186},[3085,3491,3229],{"class":3200},[3085,3493,3494],{"class":3083,"line":3316},[3085,3495,3313],{"emptyLinePlaceholder":3312},[3085,3497,3498,3500,3502,3505,3507,3509,3511,3513],{"class":3083,"line":3358},[3085,3499,3207],{"class":3186},[3085,3501,3210],{"class":3186},[3085,3503,3504],{"class":3213}," AuthorId",[3085,3506,3217],{"class":3200},[3085,3508,3220],{"class":3186},[3085,3510,3223],{"class":3200},[3085,3512,3226],{"class":3186},[3085,3514,3229],{"class":3200},[3085,3516,3518,3520,3523,3525,3527,3529,3531,3533,3535,3538],{"class":3083,"line":3517},10,[3085,3519,3207],{"class":3186},[3085,3521,3522],{"class":3193}," Author",[3085,3524,3522],{"class":3213},[3085,3526,3217],{"class":3200},[3085,3528,3220],{"class":3186},[3085,3530,3223],{"class":3200},[3085,3532,3226],{"class":3186},[3085,3534,3251],{"class":3200},[3085,3536,3537],{"class":3186},"null",[3085,3539,3540],{"class":3200},"!;\n",[3085,3542,3544],{"class":3083,"line":3543},11,[3085,3545,3361],{"class":3200},[2965,3547,3548],{},"Розберемо кожну частину цих класів детально.",[3550,3551,3553],"h3",{"id":3552},"первинний-ключ-конвенція-імені","Первинний ключ: конвенція імені",[2965,3555,3556,3557,3560,3561,3564,3565,3568,3569,3571,3572,3560,3574,3577,3578,3581,3582,3585],{},"Властивість ",[2977,3558,3559],{},"Id"," або ",[2977,3562,3563],{},"{ClassName}Id"," — EF Core автоматично розпізнає їх як первинний ключ. Це ",[2969,3566,3567],{},"конвенція",", а не обов'язковий атрибут. Фреймворк просто знає: якщо клас називається ",[2977,3570,2979],{},", а в ньому є ",[2977,3573,3559],{},[2977,3575,3576],{},"AuthorId"," — це PK. Для ",[2977,3579,3580],{},"int","-ключів EF Core автоматично налаштовує стратегію ",[2977,3583,3584],{},"AutoIncrement"," (IDENTITY в SQL Server, AUTOINCREMENT в SQLite).",[3550,3587,3589],{"id":3588},"обовязкові-та-необовязкові-властивості","Обов'язкові та необов'язкові властивості",[2965,3591,3592],{},"У сучасному C# з включеними Nullable Reference Types (NRT) — а з .NET 6+ вони включені за замовчуванням — EF Core використовує nullable-анотації для визначення обов'язковості стовпця:",[2993,3594,3595,3609,3618,3626],{},[2996,3596,3597,3600,3601,3604,3605,3608],{},[2977,3598,3599],{},"string Name"," — ",[2969,3602,3603],{},"NOT NULL"," (рядкові типи без ",[2977,3606,3607],{},"?"," вважаються обов'язковими)",[2996,3610,3611,3600,3614,3617],{},[2977,3612,3613],{},"string? Biography",[2969,3615,3616],{},"NULL"," (nullable string — стовпець може бути порожнім)",[2996,3619,3620,3600,3623,3625],{},[2977,3621,3622],{},"int Year",[2969,3624,3603],{}," (value types завжди обов'язкові)",[2996,3627,3628,3600,3631,3633],{},[2977,3629,3630],{},"int? SomeValue",[2969,3632,3616],{}," (nullable value type — дозволяє NULL)",[2965,3635,3636],{},"Ця поведінка є однією з найважливіших конвенцій EF Core — ми детально розглянемо її у статті про конвенції.",[3550,3638,3640],{"id":3639},"навігаційні-властивості-та-зовнішній-ключ","Навігаційні властивості та зовнішній ключ",[3172,3642,3644],{"className":3174,"code":3643,"language":3177,"meta":3178,"style":3178},"public int AuthorId { get; set; }       // Foreign Key (FK) — числове поле\npublic Author Author { get; set; } = null!; // Navigation property — посилання на об'єкт\n",[2977,3645,3646,3669],{"__ignoreMap":3178},[3085,3647,3648,3650,3652,3654,3656,3658,3660,3662,3665],{"class":3083,"line":3183},[3085,3649,3187],{"class":3186},[3085,3651,3210],{"class":3186},[3085,3653,3504],{"class":3213},[3085,3655,3217],{"class":3200},[3085,3657,3220],{"class":3213},[3085,3659,3223],{"class":3200},[3085,3661,3226],{"class":3213},[3085,3663,3664],{"class":3200},"; }       ",[3085,3666,3668],{"class":3667},"spJ8K","// Foreign Key (FK) — числове поле\n",[3085,3670,3671,3673,3675,3677,3679,3681,3683,3685,3687,3689,3692],{"class":3083,"line":3197},[3085,3672,3187],{"class":3186},[3085,3674,3522],{"class":3213},[3085,3676,3522],{"class":3213},[3085,3678,3217],{"class":3200},[3085,3680,3220],{"class":3213},[3085,3682,3223],{"class":3200},[3085,3684,3226],{"class":3213},[3085,3686,3251],{"class":3200},[3085,3688,3537],{"class":3186},[3085,3690,3691],{"class":3200},"!; ",[3085,3693,3694],{"class":3667},"// Navigation property — посилання на об'єкт\n",[2965,3696,3697,3699,3700,3702,3703,3705,3706,3708,3709,3711,3712,3058],{},[2977,3698,3576],{}," — це звичайний ",[2977,3701,3580],{},", але EF Core за конвенцією розпізнає його як зовнішній ключ, бо існує навігаційна властивість ",[2977,3704,2979],{}," типу ",[2977,3707,2979],{},". Назва ",[2977,3710,3576],{}," відповідає шаблону ",[2977,3713,3714],{},"{NavigationPropertyName}Id",[2965,3716,3717,3719,3720,3723,3724,3727],{},[2977,3718,2979],{}," — навігаційна властивість. Через неї ви можете звертатись до пов'язаного об'єкта: ",[2977,3721,3722],{},"book.Author.Name",". EF Core завантажує пов'язані дані або через Eager Loading (",[2977,3725,3726],{},"Include()","), або через innej механізми, про які детально поговоримо у Блоці 3.",[2965,3729,3730,3733],{},[2977,3731,3732],{},"= null!"," — pragma для компілятора: \"я знаю, що тут null під час ініціалізації, але під час роботи програми це поле буде заповнено\". EF Core заповнить навігаційну властивість після завантаження з бази.",[2965,3735,3736,3739,3740,3742,3743,3746],{},[2977,3737,3738],{},"ICollection\u003CBook> Books"," у ",[2977,3741,2979],{}," — колекція зворотньої навігації. Дозволяє звертатись як ",[2977,3744,3745],{},"author.Books"," для отримання всіх книг автора.",[3021,3748],{},[2960,3750,3752],{"id":3751},"dbcontext-єдиний-вхід-до-бази-даних","DbContext: єдиний вхід до бази даних",[2965,3754,3755,3756,3759,3760,3762,3763,3766,3767,3770],{},"Якщо сутності — це опис ",[2969,3757,3758],{},"що"," зберігається, то ",[2977,3761,3041],{}," — це ",[2969,3764,3765],{},"як"," це зберігається і ",[2969,3768,3769],{},"через що"," ви взаємодієте з базою.",[3172,3772,3775],{"className":3174,"code":3773,"filename":3774,"language":3177,"meta":3178,"style":3178},"using Microsoft.EntityFrameworkCore;\n\npublic class AppDbContext : DbContext\n{\n    public DbSet\u003CAuthor> Authors => Set\u003CAuthor>();\n    public DbSet\u003CBook> Books => Set\u003CBook>();\n\n    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)\n    {\n        optionsBuilder.UseSqlite(\"Data Source=bookcatalog.db\");\n    }\n}\n","Data/AppDbContext.cs",[2977,3776,3777,3793,3797,3812,3816,3845,3869,3873,3899,3904,3923,3928],{"__ignoreMap":3178},[3085,3778,3779,3783,3786,3788,3791],{"class":3083,"line":3183},[3085,3780,3782],{"class":3781},"sCDza","using",[3085,3784,3785],{"class":3193}," Microsoft",[3085,3787,3058],{"class":3200},[3085,3789,3790],{"class":3193},"EntityFrameworkCore",[3085,3792,3262],{"class":3200},[3085,3794,3795],{"class":3083,"line":3197},[3085,3796,3313],{"emptyLinePlaceholder":3312},[3085,3798,3799,3801,3803,3806,3809],{"class":3083,"line":3204},[3085,3800,3187],{"class":3186},[3085,3802,3190],{"class":3186},[3085,3804,3805],{"class":3193}," AppDbContext",[3085,3807,3808],{"class":3200}," : ",[3085,3810,3811],{"class":3193},"DbContext\n",[3085,3813,3814],{"class":3083,"line":3232},[3085,3815,3201],{"class":3200},[3085,3817,3818,3820,3823,3825,3827,3829,3832,3835,3839,3841,3843],{"class":3083,"line":3265},[3085,3819,3207],{"class":3186},[3085,3821,3822],{"class":3193}," DbSet",[3085,3824,3324],{"class":3200},[3085,3826,2979],{"class":3193},[3085,3828,3329],{"class":3200},[3085,3830,3831],{"class":3213},"Authors",[3085,3833,3834],{"class":3200}," => ",[3085,3836,3838],{"class":3837},"s8Opu","Set",[3085,3840,3324],{"class":3200},[3085,3842,2979],{"class":3193},[3085,3844,3355],{"class":3200},[3085,3846,3847,3849,3851,3853,3855,3857,3859,3861,3863,3865,3867],{"class":3083,"line":3288},[3085,3848,3207],{"class":3186},[3085,3850,3822],{"class":3193},[3085,3852,3324],{"class":3200},[3085,3854,2983],{"class":3193},[3085,3856,3329],{"class":3200},[3085,3858,3332],{"class":3213},[3085,3860,3834],{"class":3200},[3085,3862,3838],{"class":3837},[3085,3864,3324],{"class":3200},[3085,3866,2983],{"class":3193},[3085,3868,3355],{"class":3200},[3085,3870,3871],{"class":3083,"line":3309},[3085,3872,3313],{"emptyLinePlaceholder":3312},[3085,3874,3875,3878,3881,3884,3887,3890,3893,3896],{"class":3083,"line":3316},[3085,3876,3877],{"class":3186},"    protected",[3085,3879,3880],{"class":3186}," override",[3085,3882,3883],{"class":3186}," void",[3085,3885,3886],{"class":3837}," OnConfiguring",[3085,3888,3889],{"class":3200},"(",[3085,3891,3892],{"class":3193},"DbContextOptionsBuilder",[3085,3894,3895],{"class":3213}," optionsBuilder",[3085,3897,3898],{"class":3200},")\n",[3085,3900,3901],{"class":3083,"line":3358},[3085,3902,3903],{"class":3200},"    {\n",[3085,3905,3906,3909,3911,3914,3916,3920],{"class":3083,"line":3517},[3085,3907,3908],{"class":3213},"        optionsBuilder",[3085,3910,3058],{"class":3200},[3085,3912,3913],{"class":3837},"UseSqlite",[3085,3915,3889],{"class":3200},[3085,3917,3919],{"class":3918},"sbdoH","\"Data Source=bookcatalog.db\"",[3085,3921,3922],{"class":3200},");\n",[3085,3924,3925],{"class":3083,"line":3543},[3085,3926,3927],{"class":3200},"    }\n",[3085,3929,3931],{"class":3083,"line":3930},12,[3085,3932,3361],{"class":3200},[2965,3934,3935],{},"Це мінімальний валідний DbContext. Розберемо кожну частину.",[3550,3937,3939],{"id":3938},"чому-ми-наслідуємо-dbcontext","Чому ми наслідуємо DbContext?",[2965,3941,3942,3944,3945,2980,3948,3951],{},[2977,3943,3041],{}," — базовий клас з Microsoft.EntityFrameworkCore, що реалізує патерни ",[2969,3946,3947],{},"Unit of Work",[2969,3949,3950],{},"Repository",". Він містить:",[2993,3953,3954,3960,3966,3972],{},[2996,3955,3956,3959],{},[2969,3957,3958],{},"ChangeTracker"," — механізм відстеження змін у відстежуваних сутностях",[2996,3961,3962,3965],{},[2969,3963,3964],{},"Database"," — API для роботи зі з'єднанням, транзакціями, міграціями",[2996,3967,3968,3971],{},[2969,3969,3970],{},"Model"," — скомпільована модель (схема сутностей, їх конфігурація, зв'язки)",[2996,3973,3974,3977],{},[2969,3975,3976],{},"SaveChanges / SaveChangesAsync"," — генерація та виконання SQL для всіх змін",[2965,3979,3980,3981,3984],{},"Ваш клас ",[2977,3982,3983],{},"AppDbContext"," наслідує всю цю функціональність і додає лише специфічне для вашої бази: які таблиці (DbSet) і яке налаштування (OnConfiguring або OnModelCreating).",[3550,3986,3988],{"id":3987},"dbsett-що-це-насправді","DbSet\u003CT>: що це насправді?",[3172,3990,3992],{"className":3174,"code":3991,"language":3177,"meta":3178,"style":3178},"public DbSet\u003CAuthor> Authors => Set\u003CAuthor>();\n",[2977,3993,3994],{"__ignoreMap":3178},[3085,3995,3996,3998,4000,4002,4004,4006,4008,4010,4012,4014,4016],{"class":3083,"line":3183},[3085,3997,3187],{"class":3186},[3085,3999,3822],{"class":3213},[3085,4001,3324],{"class":3200},[3085,4003,2979],{"class":3213},[3085,4005,3329],{"class":3200},[3085,4007,3831],{"class":3213},[3085,4009,3834],{"class":3200},[3085,4011,3838],{"class":3837},[3085,4013,3324],{"class":3200},[3085,4015,2979],{"class":3193},[3085,4017,3355],{"class":3200},[2965,4019,4020,4023,4024,4027,4028,4031],{},[2977,4021,4022],{},"DbSet\u003CAuthor>"," — це не колекція об'єктів у пам'яті. Це ",[2969,4025,4026],{},"IQueryable"," — провайдер запитів, що дозволяє будувати LINQ-запити, які транслюватимуться у SQL. Коли ви пишете ",[2977,4029,4030],{},"context.Authors.Where(a => a.Name == \"Тарас\")",", ніяких даних ще не завантажено. LINQ-вираз лише будує Expression Tree.",[2965,4033,4034,4035,3042,4038,3042,4041,3042,4044,4047],{},"Дані з бази завантажуються лише тоді, коли ви явно матеріалізуєте запит: через ",[2977,4036,4037],{},"ToList()",[2977,4039,4040],{},"ToListAsync()",[2977,4042,4043],{},"FirstOrDefault()",[2977,4045,4046],{},"Count()"," тощо.",[4049,4050,4051,4054,4055,4058],"tip",{},[2977,4052,4053],{},"Set\u003CAuthor>()"," є рекомендованим способом оголошення DbSet у нових версіях EF Core — він трохи коротший за явну властивість ",[2977,4056,4057],{},"{ get; set; }"," і дозволяє EF Core краще управляти станом. Обидва варіанти є правильними.",[3550,4060,4062],{"id":4061},"onconfiguring-де-налаштовується-зєднання","OnConfiguring: де налаштовується з'єднання",[2965,4064,4065,4066,4069,4070,4072],{},"Метод ",[2977,4067,4068],{},"OnConfiguring"," викликається EF Core під час ініціалізації контексту. ",[2977,4071,3892],{}," — builder-об'єкт для конфігурації всіх аспектів поведінки DbContext: провайдер, рядок підключення, логування, пул з'єднань тощо.",[2965,4074,4075,4078,4079,4081],{},[2977,4076,4077],{},"UseSqlite(\"Data Source=bookcatalog.db\")"," — це extension method від пакету ",[2977,4080,3049],{},", що підключає SQLite-провайдер і вказує на файл бази даних.",[3021,4083],{},[2960,4085,4087],{"id":4086},"рядок-підключення-формат-та-безпека","Рядок підключення: формат та безпека",[2965,4089,4090,4091,2980,4094,4096],{},"Рядок підключення (connection string) — це рядок tексту, що описує, ",[2969,4092,4093],{},"куди",[2969,4095,3765],{}," підключатись до бази даних. Формат залежить від провайдера:",[4098,4099,4100,4114,4132],"tabs",{},[4101,4102,4103,4111],"tabs-item",{"label":3018},[3172,4104,4109],{"className":4105,"code":4107,"language":4108},[4106],"language-text","Data Source=bookcatalog.db\nData Source=C:\\Databases\\books.db\nData Source=:memory:   ← повністю в пам'яті (для тестів)\n","text",[2977,4110,4107],{"__ignoreMap":3178},[2965,4112,4113],{},"SQLite не потребує хосту, порту чи облікових даних — лише шлях до файлу.",[4101,4115,4117,4123,4126],{"label":4116},"PostgreSQL",[3172,4118,4121],{"className":4119,"code":4120,"language":4108},[4106],"Host=localhost;Port=5432;Database=bookcatalog;Username=postgres;Password=secret\n",[2977,4122,4120],{"__ignoreMap":3178},[2965,4124,4125],{},"Або у вигляді URI:",[3172,4127,4130],{"className":4128,"code":4129,"language":4108},[4106],"postgresql://postgres:secret@localhost:5432/bookcatalog\n",[2977,4131,4129],{"__ignoreMap":3178},[4101,4133,4135,4141,4144],{"label":4134},"SQL Server",[3172,4136,4139],{"className":4137,"code":4138,"language":4108},[4106],"Server=localhost;Database=BookCatalog;User Id=sa;Password=secret;TrustServerCertificate=True\n",[2977,4140,4138],{"__ignoreMap":3178},[2965,4142,4143],{},"Або через Windows Authentication:",[3172,4145,4148],{"className":4146,"code":4147,"language":4108},[4106],"Server=.\\SQLEXPRESS;Database=BookCatalog;Trusted_Connection=True\n",[2977,4149,4147],{"__ignoreMap":3178},[3550,4151,4153],{"id":4152},"де-зберігати-рядок-підключення","Де зберігати рядок підключення?",[2965,4155,4156,4157,4160],{},"Безпосередньо в коді — лише для навчання. У реальних проєктах рядок підключення ",[2969,4158,4159],{},"ніколи"," не має бути в коді, особливо в публічних репозиторіях.",[4162,4163,4164],"caution",{},"Тисячі реальних security incidents сталися через те, що розробник закомітив рядок підключення з паролем у публічний GitHub-репозиторій. Секрети в коді — критична вразливість.",[2965,4166,4167],{},"Правильні підходи для зберігання:",[2965,4169,4170,4173,4174,4177],{},[2969,4171,4172],{},"У консольному застосунку / навчанні"," — змінні середовища або ",[2977,4175,4176],{},"appsettings.json"," (не комітити в git):",[3172,4179,4183],{"className":4180,"code":4181,"filename":4176,"language":4182,"meta":3178,"style":3178},"language-json shiki shiki-themes light-plus dark-plus dark-plus","{\n    \"ConnectionStrings\": {\n        \"DefaultConnection\": \"Data Source=bookcatalog.db\"\n    }\n}\n","json",[2977,4184,4185,4189,4198,4209,4213],{"__ignoreMap":3178},[3085,4186,4187],{"class":3083,"line":3183},[3085,4188,3201],{"class":3200},[3085,4190,4191,4195],{"class":3083,"line":3197},[3085,4192,4194],{"class":4193},"sLwNe","    \"ConnectionStrings\"",[3085,4196,4197],{"class":3200},": {\n",[3085,4199,4200,4203,4206],{"class":3083,"line":3204},[3085,4201,4202],{"class":4193},"        \"DefaultConnection\"",[3085,4204,4205],{"class":3200},": ",[3085,4207,4208],{"class":3918},"\"Data Source=bookcatalog.db\"\n",[3085,4210,4211],{"class":3083,"line":3232},[3085,4212,3927],{"class":3200},[3085,4214,4215],{"class":3083,"line":3265},[3085,4216,3361],{"class":3200},[2965,4218,4219,4222],{},[2969,4220,4221],{},"Для розробки в ASP.NET Core"," — User Secrets. Це локальний зашифрований сховок, що не потрапляє в git:",[3172,4224,4228],{"className":4225,"code":4226,"language":4227,"meta":3178,"style":3178},"language-bash shiki shiki-themes light-plus dark-plus dark-plus","dotnet user-secrets init\ndotnet user-secrets set \"ConnectionStrings:DefaultConnection\" \"Data Source=bookcatalog.db\"\n","bash",[2977,4229,4230,4241],{"__ignoreMap":3178},[3085,4231,4232,4235,4238],{"class":3083,"line":3183},[3085,4233,4234],{"class":3837},"dotnet",[3085,4236,4237],{"class":3918}," user-secrets",[3085,4239,4240],{"class":3918}," init\n",[3085,4242,4243,4245,4247,4250,4253],{"class":3083,"line":3197},[3085,4244,4234],{"class":3837},[3085,4246,4237],{"class":3918},[3085,4248,4249],{"class":3918}," set",[3085,4251,4252],{"class":3918}," \"ConnectionStrings:DefaultConnection\"",[3085,4254,4255],{"class":3918}," \"Data Source=bookcatalog.db\"\n",[2965,4257,4258,4261,4262,4264],{},[2969,4259,4260],{},"Ремарка:"," Управління конфігурацією, User Secrets та Dependency Injection детально вивчатимуться у розділі ASP.NET Core. Тут ми використовуємо найпростіший підхід — рядок прямо в ",[2977,4263,4068],{}," — виключно для навчальних цілей.",[3021,4266],{},[2960,4268,4270],{"id":4269},"onconfiguring-vs-dependency-injection","OnConfiguring vs Dependency Injection",[2965,4272,4273,4274,4276],{},"Підхід з ",[2977,4275,4068],{},", який ми використовуємо зараз, — найпростіший, але не рекомендований для реальних проєктів. Розберемо чому.",[2965,4278,4279,4285],{},[2969,4280,4281,4282,4284],{},"Проблема ",[2977,4283,4068],{},":"," DbContext жорстко прив'язаний до конкретної конфігурації. Щоб змінити рядок підключення (наприклад, для тестів), потрібно або змінювати код, або наслідувати клас і перевизначати метод.",[2965,4287,4288,4291,4292,4295],{},[2969,4289,4290],{},"Правильний підхід — через конструктор:"," DbContext приймає ",[2977,4293,4294],{},"DbContextOptions\u003CT>"," через конструктор. Конфігурація підготовлюється зовні та передається при створенні:",[3172,4297,4299],{"className":3174,"code":4298,"filename":3774,"language":3177,"meta":3178,"style":3178},"public class AppDbContext : DbContext\n{\n    // Конструктор приймає готові опції ззовні\n    public AppDbContext(DbContextOptions\u003CAppDbContext> options) : base(options) { }\n\n    public DbSet\u003CAuthor> Authors => Set\u003CAuthor>();\n    public DbSet\u003CBook> Books => Set\u003CBook>();\n    // Метод OnConfiguring відсутній — конфігурація передається зовні\n}\n",[2977,4300,4301,4313,4317,4322,4355,4359,4383,4407,4412],{"__ignoreMap":3178},[3085,4302,4303,4305,4307,4309,4311],{"class":3083,"line":3183},[3085,4304,3187],{"class":3186},[3085,4306,3190],{"class":3186},[3085,4308,3805],{"class":3193},[3085,4310,3808],{"class":3200},[3085,4312,3811],{"class":3193},[3085,4314,4315],{"class":3083,"line":3197},[3085,4316,3201],{"class":3200},[3085,4318,4319],{"class":3083,"line":3204},[3085,4320,4321],{"class":3667},"    // Конструктор приймає готові опції ззовні\n",[3085,4323,4324,4326,4328,4330,4333,4335,4337,4339,4342,4345,4348,4350,4352],{"class":3083,"line":3232},[3085,4325,3207],{"class":3186},[3085,4327,3805],{"class":3837},[3085,4329,3889],{"class":3200},[3085,4331,4332],{"class":3193},"DbContextOptions",[3085,4334,3324],{"class":3200},[3085,4336,3983],{"class":3193},[3085,4338,3329],{"class":3200},[3085,4340,4341],{"class":3213},"options",[3085,4343,4344],{"class":3200},") : ",[3085,4346,4347],{"class":3186},"base",[3085,4349,3889],{"class":3200},[3085,4351,4341],{"class":3213},[3085,4353,4354],{"class":3200},") { }\n",[3085,4356,4357],{"class":3083,"line":3265},[3085,4358,3313],{"emptyLinePlaceholder":3312},[3085,4360,4361,4363,4365,4367,4369,4371,4373,4375,4377,4379,4381],{"class":3083,"line":3288},[3085,4362,3207],{"class":3186},[3085,4364,3822],{"class":3193},[3085,4366,3324],{"class":3200},[3085,4368,2979],{"class":3193},[3085,4370,3329],{"class":3200},[3085,4372,3831],{"class":3213},[3085,4374,3834],{"class":3200},[3085,4376,3838],{"class":3837},[3085,4378,3324],{"class":3200},[3085,4380,2979],{"class":3193},[3085,4382,3355],{"class":3200},[3085,4384,4385,4387,4389,4391,4393,4395,4397,4399,4401,4403,4405],{"class":3083,"line":3309},[3085,4386,3207],{"class":3186},[3085,4388,3822],{"class":3193},[3085,4390,3324],{"class":3200},[3085,4392,2983],{"class":3193},[3085,4394,3329],{"class":3200},[3085,4396,3332],{"class":3213},[3085,4398,3834],{"class":3200},[3085,4400,3838],{"class":3837},[3085,4402,3324],{"class":3200},[3085,4404,2983],{"class":3193},[3085,4406,3355],{"class":3200},[3085,4408,4409],{"class":3083,"line":3316},[3085,4410,4411],{"class":3667},"    // Метод OnConfiguring відсутній — конфігурація передається зовні\n",[3085,4413,4414],{"class":3083,"line":3358},[3085,4415,3361],{"class":3200},[2965,4417,4418],{},"Тепер створення контексту виглядає так:",[3172,4420,4423],{"className":3174,"code":4421,"filename":4422,"language":3177,"meta":3178,"style":3178},"var options = new DbContextOptionsBuilder\u003CAppDbContext>()\n    .UseSqlite(\"Data Source=bookcatalog.db\")\n    .Options;\n\nusing var context = new AppDbContext(options);\n","Program.cs",[2977,4424,4425,4448,4461,4470,4474],{"__ignoreMap":3178},[3085,4426,4427,4430,4433,4436,4438,4441,4443,4445],{"class":3083,"line":3183},[3085,4428,4429],{"class":3186},"var",[3085,4431,4432],{"class":3213}," options",[3085,4434,4435],{"class":3200}," = ",[3085,4437,3345],{"class":3186},[3085,4439,4440],{"class":3193}," DbContextOptionsBuilder",[3085,4442,3324],{"class":3200},[3085,4444,3983],{"class":3193},[3085,4446,4447],{"class":3200},">()\n",[3085,4449,4450,4453,4455,4457,4459],{"class":3083,"line":3197},[3085,4451,4452],{"class":3200},"    .",[3085,4454,3913],{"class":3837},[3085,4456,3889],{"class":3200},[3085,4458,3919],{"class":3918},[3085,4460,3898],{"class":3200},[3085,4462,4463,4465,4468],{"class":3083,"line":3204},[3085,4464,4452],{"class":3200},[3085,4466,4467],{"class":3213},"Options",[3085,4469,3262],{"class":3200},[3085,4471,4472],{"class":3083,"line":3232},[3085,4473,3313],{"emptyLinePlaceholder":3312},[3085,4475,4476,4478,4481,4484,4486,4488,4490,4492,4494],{"class":3083,"line":3265},[3085,4477,3782],{"class":3781},[3085,4479,4480],{"class":3186}," var",[3085,4482,4483],{"class":3213}," context",[3085,4485,4435],{"class":3200},[3085,4487,3345],{"class":3186},[3085,4489,3805],{"class":3193},[3085,4491,3889],{"class":3200},[3085,4493,4341],{"class":3213},[3085,4495,3922],{"class":3200},[2965,4497,4498],{},"У ASP.NET Core цей шаблон ще простіший — ви реєструєте DbContext у DI-контейнері одним рядком, і фреймворк сам керує його lifecycle:",[3172,4500,4503],{"className":3174,"code":4501,"filename":4502,"language":3177,"meta":3178,"style":3178},"// Одна строчка — і DbContext доступний у всьому застосунку через DI\nbuilder.Services.AddDbContext\u003CAppDbContext>(options =>\n    options.UseSqlite(builder.Configuration.GetConnectionString(\"DefaultConnection\")));\n","Program.cs (ASP.NET Core)",[2977,4504,4505,4510,4537],{"__ignoreMap":3178},[3085,4506,4507],{"class":3083,"line":3183},[3085,4508,4509],{"class":3667},"// Одна строчка — і DbContext доступний у всьому застосунку через DI\n",[3085,4511,4512,4515,4517,4520,4522,4525,4527,4529,4532,4534],{"class":3083,"line":3197},[3085,4513,4514],{"class":3213},"builder",[3085,4516,3058],{"class":3200},[3085,4518,4519],{"class":3213},"Services",[3085,4521,3058],{"class":3200},[3085,4523,4524],{"class":3837},"AddDbContext",[3085,4526,3324],{"class":3200},[3085,4528,3983],{"class":3193},[3085,4530,4531],{"class":3200},">(",[3085,4533,4341],{"class":3213},[3085,4535,4536],{"class":3200}," =>\n",[3085,4538,4539,4542,4544,4546,4548,4550,4552,4555,4557,4560,4562,4565],{"class":3083,"line":3204},[3085,4540,4541],{"class":3213},"    options",[3085,4543,3058],{"class":3200},[3085,4545,3913],{"class":3837},[3085,4547,3889],{"class":3200},[3085,4549,4514],{"class":3213},[3085,4551,3058],{"class":3200},[3085,4553,4554],{"class":3213},"Configuration",[3085,4556,3058],{"class":3200},[3085,4558,4559],{"class":3837},"GetConnectionString",[3085,4561,3889],{"class":3200},[3085,4563,4564],{"class":3918},"\"DefaultConnection\"",[3085,4566,4567],{"class":3200},")));\n",[3013,4569,4570,4572],{},[2969,4571,4260],{}," Dependency Injection (DI) — фундаментальна концепція ASP.NET Core, яка детально вивчатиметься у відповідному розділі. Тут важливо лише розуміти: підхід через конструктор є кращим, бо відокремлює конфігурацію від реалізації — це робить код тестованим і гнучким.",[2965,4574,4575,4576,4578],{},"Для цієї статті ми продовжуємо з ",[2977,4577,4068],{}," для простоти. Починаючи зі статті про ASP.NET Core ви побачите DI-підхід у дії.",[3021,4580],{},[2960,4582,4584],{"id":4583},"створення-схеми-бази-ensurecreated-vs-migrations","Створення схеми бази: EnsureCreated vs Migrations",[2965,4586,4587],{},"Ми маємо сутності і DbContext. Але таблиці в базі ще не існують. Як їх створити?",[2965,4589,4590],{},"EF Core пропонує два підходи, і важливо розуміти різницю між ними з самого початку.",[3550,4592,4594],{"id":4593},"databaseensurecreated","Database.EnsureCreated()",[3172,4596,4598],{"className":3174,"code":4597,"language":3177,"meta":3178,"style":3178},"using var context = new AppDbContext();\ncontext.Database.EnsureCreated();\n",[2977,4599,4600,4617],{"__ignoreMap":3178},[3085,4601,4602,4604,4606,4608,4610,4612,4614],{"class":3083,"line":3183},[3085,4603,3782],{"class":3781},[3085,4605,4480],{"class":3186},[3085,4607,4483],{"class":3213},[3085,4609,4435],{"class":3200},[3085,4611,3345],{"class":3186},[3085,4613,3805],{"class":3193},[3085,4615,4616],{"class":3200},"();\n",[3085,4618,4619,4622,4624,4626,4628,4631],{"class":3083,"line":3197},[3085,4620,4621],{"class":3213},"context",[3085,4623,3058],{"class":3200},[3085,4625,3964],{"class":3213},[3085,4627,3058],{"class":3200},[3085,4629,4630],{"class":3837},"EnsureCreated",[3085,4632,4616],{"class":3200},[2965,4634,4635,4636,4639,4640,4643],{},"Цей метод перевіряє, чи існує база даних (файл для SQLite, або схема для SQL Server/PostgreSQL). Якщо ",[2969,4637,4638],{},"не існує"," — створює базу і всі таблиці відповідно до поточної моделі. Якщо ",[2969,4641,4642],{},"вже існує"," — нічого не робить.",[2965,4645,4646],{},"Це зручно для навчальних проєктів і прототипів. Але у нього є критичне обмеження:",[4162,4648,4649,3090,4651,4654,4655,4657],{},[2977,4650,3010],{},[2969,4652,4653],{},"не сумісний з міграціями",". Якщо ви використаєте ",[2977,4656,3010],{},", а потім додасте міграцію, вона може не застосуватись або спричинить конфлікт. Ці два підходи взаємовиключні.",[3550,4659,4661],{"id":4660},"migrations-рекомендований-підхід","Migrations (рекомендований підхід)",[2965,4663,4664,4665,4667],{},"Міграції — це керована еволюція схеми бази даних. Кожна зміна в моделі C# → окремий файл міграції (Up/Down) → застосовується через ",[2977,4666,3069],{},". Це дозволяє відстежувати зміни у Git, відкочувати їх, і безпечно оновлювати продакшн-базу.",[2965,4669,4670,4671,4674,4675,3058],{},"Повністю міграції розглядаються у ",[2969,4672,4673],{},"Блоці 5"," цього курсу. Для навчальних цілей поки що використаємо ",[2977,4676,3010],{},[4678,4679,4680,4696],"table",{},[4681,4682,4683],"thead",{},[4684,4685,4686,4689,4693],"tr",{},[4687,4688],"th",{},[4687,4690,4691],{},[2977,4692,3010],{},[4687,4694,4695],{},"Migrations",[4697,4698,4699,4713,4726,4739,4752],"tbody",{},[4684,4700,4701,4707,4710],{},[4702,4703,4704],"td",{},[2969,4705,4706],{},"Складність",[4702,4708,4709],{},"Нуль",[4702,4711,4712],{},"Потребує розуміння",[4684,4714,4715,4720,4723],{},[4702,4716,4717],{},[2969,4718,4719],{},"Контроль",[4702,4721,4722],{},"Автоматично",[4702,4724,4725],{},"Повний контроль",[4684,4727,4728,4733,4736],{},[4702,4729,4730],{},[2969,4731,4732],{},"Оновлення схеми",[4702,4734,4735],{},"Не підтримує",[4702,4737,4738],{},"Підтримує",[4684,4740,4741,4746,4749],{},[4702,4742,4743],{},[2969,4744,4745],{},"Продакшн",[4702,4747,4748],{},"❌ Не рекомендовано",[4702,4750,4751],{},"✅ Yes",[4684,4753,4754,4759,4762],{},[4702,4755,4756],{},[2969,4757,4758],{},"Навчання/прототип",[4702,4760,4761],{},"✅ Perfect",[4702,4763,4764],{},"Зайвий overhead",[3021,4766],{},[2960,4768,4770],{"id":4769},"структура-проєкту","Структура проєкту",[2965,4772,4773],{},"Перш ніж писати CRUD, подивимося на структуру файлів, яку ми будуємо:",[4775,4776,4777,4914,5081,5193],"code-tree",{},[3172,4778,4780],{"className":3174,"code":4779,"filename":3176,"language":3177,"meta":3178,"style":3178},"public class Author\n{\n    public int Id { get; set; }\n    public string Name { get; set; } = string.Empty;\n    public string? Biography { get; set; }\n    public DateTime BornAt { get; set; }\n    public ICollection\u003CBook> Books { get; set; } = new List\u003CBook>();\n}\n",[2977,4781,4782,4790,4794,4812,4838,4858,4876,4910],{"__ignoreMap":3178},[3085,4783,4784,4786,4788],{"class":3083,"line":3183},[3085,4785,3187],{"class":3186},[3085,4787,3190],{"class":3186},[3085,4789,3194],{"class":3193},[3085,4791,4792],{"class":3083,"line":3197},[3085,4793,3201],{"class":3200},[3085,4795,4796,4798,4800,4802,4804,4806,4808,4810],{"class":3083,"line":3204},[3085,4797,3207],{"class":3186},[3085,4799,3210],{"class":3186},[3085,4801,3214],{"class":3213},[3085,4803,3217],{"class":3200},[3085,4805,3220],{"class":3186},[3085,4807,3223],{"class":3200},[3085,4809,3226],{"class":3186},[3085,4811,3229],{"class":3200},[3085,4813,4814,4816,4818,4820,4822,4824,4826,4828,4830,4832,4834,4836],{"class":3083,"line":3232},[3085,4815,3207],{"class":3186},[3085,4817,3237],{"class":3186},[3085,4819,3240],{"class":3213},[3085,4821,3217],{"class":3200},[3085,4823,3220],{"class":3186},[3085,4825,3223],{"class":3200},[3085,4827,3226],{"class":3186},[3085,4829,3251],{"class":3200},[3085,4831,3254],{"class":3186},[3085,4833,3058],{"class":3200},[3085,4835,3259],{"class":3213},[3085,4837,3262],{"class":3200},[3085,4839,4840,4842,4844,4846,4848,4850,4852,4854,4856],{"class":3083,"line":3265},[3085,4841,3207],{"class":3186},[3085,4843,3237],{"class":3186},[3085,4845,3272],{"class":3200},[3085,4847,3275],{"class":3213},[3085,4849,3217],{"class":3200},[3085,4851,3220],{"class":3186},[3085,4853,3223],{"class":3200},[3085,4855,3226],{"class":3186},[3085,4857,3229],{"class":3200},[3085,4859,4860,4862,4864,4866,4868,4870,4872,4874],{"class":3083,"line":3288},[3085,4861,3207],{"class":3186},[3085,4863,3293],{"class":3193},[3085,4865,3296],{"class":3213},[3085,4867,3217],{"class":3200},[3085,4869,3220],{"class":3186},[3085,4871,3223],{"class":3200},[3085,4873,3226],{"class":3186},[3085,4875,3229],{"class":3200},[3085,4877,4878,4880,4882,4884,4886,4888,4890,4892,4894,4896,4898,4900,4902,4904,4906,4908],{"class":3083,"line":3309},[3085,4879,3207],{"class":3186},[3085,4881,3321],{"class":3193},[3085,4883,3324],{"class":3200},[3085,4885,2983],{"class":3193},[3085,4887,3329],{"class":3200},[3085,4889,3332],{"class":3213},[3085,4891,3217],{"class":3200},[3085,4893,3220],{"class":3186},[3085,4895,3223],{"class":3200},[3085,4897,3226],{"class":3186},[3085,4899,3251],{"class":3200},[3085,4901,3345],{"class":3186},[3085,4903,3348],{"class":3193},[3085,4905,3324],{"class":3200},[3085,4907,2983],{"class":3193},[3085,4909,3355],{"class":3200},[3085,4911,4912],{"class":3083,"line":3316},[3085,4913,3361],{"class":3200},[3172,4915,4917],{"className":3174,"code":4916,"filename":3365,"language":3177,"meta":3178,"style":3178},"public class Book\n{\n    public int Id { get; set; }\n    public string Title { get; set; } = string.Empty;\n    public string Isbn { get; set; } = string.Empty;\n    public int Year { get; set; }\n    public decimal Price { get; set; }\n    public int AuthorId { get; set; }\n    public Author Author { get; set; } = null!;\n}\n",[2977,4918,4919,4927,4931,4949,4975,5001,5019,5037,5055,5077],{"__ignoreMap":3178},[3085,4920,4921,4923,4925],{"class":3083,"line":3183},[3085,4922,3187],{"class":3186},[3085,4924,3190],{"class":3186},[3085,4926,3376],{"class":3193},[3085,4928,4929],{"class":3083,"line":3197},[3085,4930,3201],{"class":3200},[3085,4932,4933,4935,4937,4939,4941,4943,4945,4947],{"class":3083,"line":3204},[3085,4934,3207],{"class":3186},[3085,4936,3210],{"class":3186},[3085,4938,3214],{"class":3213},[3085,4940,3217],{"class":3200},[3085,4942,3220],{"class":3186},[3085,4944,3223],{"class":3200},[3085,4946,3226],{"class":3186},[3085,4948,3229],{"class":3200},[3085,4950,4951,4953,4955,4957,4959,4961,4963,4965,4967,4969,4971,4973],{"class":3083,"line":3232},[3085,4952,3207],{"class":3186},[3085,4954,3237],{"class":3186},[3085,4956,3407],{"class":3213},[3085,4958,3217],{"class":3200},[3085,4960,3220],{"class":3186},[3085,4962,3223],{"class":3200},[3085,4964,3226],{"class":3186},[3085,4966,3251],{"class":3200},[3085,4968,3254],{"class":3186},[3085,4970,3058],{"class":3200},[3085,4972,3259],{"class":3213},[3085,4974,3262],{"class":3200},[3085,4976,4977,4979,4981,4983,4985,4987,4989,4991,4993,4995,4997,4999],{"class":3083,"line":3265},[3085,4978,3207],{"class":3186},[3085,4980,3237],{"class":3186},[3085,4982,3434],{"class":3213},[3085,4984,3217],{"class":3200},[3085,4986,3220],{"class":3186},[3085,4988,3223],{"class":3200},[3085,4990,3226],{"class":3186},[3085,4992,3251],{"class":3200},[3085,4994,3254],{"class":3186},[3085,4996,3058],{"class":3200},[3085,4998,3259],{"class":3213},[3085,5000,3262],{"class":3200},[3085,5002,5003,5005,5007,5009,5011,5013,5015,5017],{"class":3083,"line":3288},[3085,5004,3207],{"class":3186},[3085,5006,3210],{"class":3186},[3085,5008,3461],{"class":3213},[3085,5010,3217],{"class":3200},[3085,5012,3220],{"class":3186},[3085,5014,3223],{"class":3200},[3085,5016,3226],{"class":3186},[3085,5018,3229],{"class":3200},[3085,5020,5021,5023,5025,5027,5029,5031,5033,5035],{"class":3083,"line":3309},[3085,5022,3207],{"class":3186},[3085,5024,3478],{"class":3186},[3085,5026,3481],{"class":3213},[3085,5028,3217],{"class":3200},[3085,5030,3220],{"class":3186},[3085,5032,3223],{"class":3200},[3085,5034,3226],{"class":3186},[3085,5036,3229],{"class":3200},[3085,5038,5039,5041,5043,5045,5047,5049,5051,5053],{"class":3083,"line":3316},[3085,5040,3207],{"class":3186},[3085,5042,3210],{"class":3186},[3085,5044,3504],{"class":3213},[3085,5046,3217],{"class":3200},[3085,5048,3220],{"class":3186},[3085,5050,3223],{"class":3200},[3085,5052,3226],{"class":3186},[3085,5054,3229],{"class":3200},[3085,5056,5057,5059,5061,5063,5065,5067,5069,5071,5073,5075],{"class":3083,"line":3358},[3085,5058,3207],{"class":3186},[3085,5060,3522],{"class":3193},[3085,5062,3522],{"class":3213},[3085,5064,3217],{"class":3200},[3085,5066,3220],{"class":3186},[3085,5068,3223],{"class":3200},[3085,5070,3226],{"class":3186},[3085,5072,3251],{"class":3200},[3085,5074,3537],{"class":3186},[3085,5076,3540],{"class":3200},[3085,5078,5079],{"class":3083,"line":3517},[3085,5080,3361],{"class":3200},[3172,5082,5084],{"className":3174,"code":5083,"filename":3774,"language":3177,"meta":3178,"style":3178},"public class AppDbContext : DbContext\n{\n    public DbSet\u003CAuthor> Authors => Set\u003CAuthor>();\n    public DbSet\u003CBook> Books => Set\u003CBook>();\n\n    protected override void OnConfiguring(DbContextOptionsBuilder options)\n        => options.UseSqlite(\"Data Source=bookcatalog.db\");\n}\n",[2977,5085,5086,5098,5102,5126,5150,5154,5172,5189],{"__ignoreMap":3178},[3085,5087,5088,5090,5092,5094,5096],{"class":3083,"line":3183},[3085,5089,3187],{"class":3186},[3085,5091,3190],{"class":3186},[3085,5093,3805],{"class":3193},[3085,5095,3808],{"class":3200},[3085,5097,3811],{"class":3193},[3085,5099,5100],{"class":3083,"line":3197},[3085,5101,3201],{"class":3200},[3085,5103,5104,5106,5108,5110,5112,5114,5116,5118,5120,5122,5124],{"class":3083,"line":3204},[3085,5105,3207],{"class":3186},[3085,5107,3822],{"class":3193},[3085,5109,3324],{"class":3200},[3085,5111,2979],{"class":3193},[3085,5113,3329],{"class":3200},[3085,5115,3831],{"class":3213},[3085,5117,3834],{"class":3200},[3085,5119,3838],{"class":3837},[3085,5121,3324],{"class":3200},[3085,5123,2979],{"class":3193},[3085,5125,3355],{"class":3200},[3085,5127,5128,5130,5132,5134,5136,5138,5140,5142,5144,5146,5148],{"class":3083,"line":3232},[3085,5129,3207],{"class":3186},[3085,5131,3822],{"class":3193},[3085,5133,3324],{"class":3200},[3085,5135,2983],{"class":3193},[3085,5137,3329],{"class":3200},[3085,5139,3332],{"class":3213},[3085,5141,3834],{"class":3200},[3085,5143,3838],{"class":3837},[3085,5145,3324],{"class":3200},[3085,5147,2983],{"class":3193},[3085,5149,3355],{"class":3200},[3085,5151,5152],{"class":3083,"line":3265},[3085,5153,3313],{"emptyLinePlaceholder":3312},[3085,5155,5156,5158,5160,5162,5164,5166,5168,5170],{"class":3083,"line":3288},[3085,5157,3877],{"class":3186},[3085,5159,3880],{"class":3186},[3085,5161,3883],{"class":3186},[3085,5163,3886],{"class":3837},[3085,5165,3889],{"class":3200},[3085,5167,3892],{"class":3193},[3085,5169,4432],{"class":3213},[3085,5171,3898],{"class":3200},[3085,5173,5174,5177,5179,5181,5183,5185,5187],{"class":3083,"line":3309},[3085,5175,5176],{"class":3200},"        => ",[3085,5178,4341],{"class":3213},[3085,5180,3058],{"class":3200},[3085,5182,3913],{"class":3837},[3085,5184,3889],{"class":3200},[3085,5186,3919],{"class":3918},[3085,5188,3922],{"class":3200},[3085,5190,5191],{"class":3083,"line":3316},[3085,5192,3361],{"class":3200},[3172,5194,5196],{"className":3174,"code":5195,"filename":4422,"language":3177,"meta":3178,"style":3178},"using var context = new AppDbContext();\ncontext.Database.EnsureCreated();\n// ... CRUD operations\n",[2977,5197,5198,5214,5228],{"__ignoreMap":3178},[3085,5199,5200,5202,5204,5206,5208,5210,5212],{"class":3083,"line":3183},[3085,5201,3782],{"class":3781},[3085,5203,4480],{"class":3186},[3085,5205,4483],{"class":3213},[3085,5207,4435],{"class":3200},[3085,5209,3345],{"class":3186},[3085,5211,3805],{"class":3193},[3085,5213,4616],{"class":3200},[3085,5215,5216,5218,5220,5222,5224,5226],{"class":3083,"line":3197},[3085,5217,4621],{"class":3213},[3085,5219,3058],{"class":3200},[3085,5221,3964],{"class":3213},[3085,5223,3058],{"class":3200},[3085,5225,4630],{"class":3837},[3085,5227,4616],{"class":3200},[3085,5229,5230],{"class":3083,"line":3204},[3085,5231,5232],{"class":3667},"// ... CRUD operations\n",[2965,5234,5235],{},"А ось як ця модель виглядає у вигляді ER-діаграми:",[5237,5238,5239],"plant-uml",{},[3172,5240,5244],{"className":5241,"code":5242,"language":5243,"meta":3178,"style":3178},"language-plantuml shiki shiki-themes light-plus dark-plus dark-plus","@startuml\nskinparam style plain\n\nentity Author {\n    * Id : int \u003C\u003CPK>>\n    --\n    * Name : string\n    Biography : string?\n    * BornAt : DateTime\n}\n\nentity Book {\n    * Id : int \u003C\u003CPK>>\n    --\n    * Title : string\n    * Isbn : string\n    * Year : int\n    * Price : decimal\n    * AuthorId : int \u003C\u003CFK>>\n}\n\nAuthor ||--o{ Book : \"writes\"\n\n@enduml\n","plantuml",[2977,5245,5246,5251,5256,5260,5265,5270,5275,5280,5285,5290,5294,5298,5303,5308,5313,5319,5325,5331,5337,5343,5348,5353,5359,5364],{"__ignoreMap":3178},[3085,5247,5248],{"class":3083,"line":3183},[3085,5249,5250],{},"@startuml\n",[3085,5252,5253],{"class":3083,"line":3197},[3085,5254,5255],{},"skinparam style plain\n",[3085,5257,5258],{"class":3083,"line":3204},[3085,5259,3313],{"emptyLinePlaceholder":3312},[3085,5261,5262],{"class":3083,"line":3232},[3085,5263,5264],{},"entity Author {\n",[3085,5266,5267],{"class":3083,"line":3265},[3085,5268,5269],{},"    * Id : int \u003C\u003CPK>>\n",[3085,5271,5272],{"class":3083,"line":3288},[3085,5273,5274],{},"    --\n",[3085,5276,5277],{"class":3083,"line":3309},[3085,5278,5279],{},"    * Name : string\n",[3085,5281,5282],{"class":3083,"line":3316},[3085,5283,5284],{},"    Biography : string?\n",[3085,5286,5287],{"class":3083,"line":3358},[3085,5288,5289],{},"    * BornAt : DateTime\n",[3085,5291,5292],{"class":3083,"line":3517},[3085,5293,3361],{},[3085,5295,5296],{"class":3083,"line":3543},[3085,5297,3313],{"emptyLinePlaceholder":3312},[3085,5299,5300],{"class":3083,"line":3930},[3085,5301,5302],{},"entity Book {\n",[3085,5304,5306],{"class":3083,"line":5305},13,[3085,5307,5269],{},[3085,5309,5311],{"class":3083,"line":5310},14,[3085,5312,5274],{},[3085,5314,5316],{"class":3083,"line":5315},15,[3085,5317,5318],{},"    * Title : string\n",[3085,5320,5322],{"class":3083,"line":5321},16,[3085,5323,5324],{},"    * Isbn : string\n",[3085,5326,5328],{"class":3083,"line":5327},17,[3085,5329,5330],{},"    * Year : int\n",[3085,5332,5334],{"class":3083,"line":5333},18,[3085,5335,5336],{},"    * Price : decimal\n",[3085,5338,5340],{"class":3083,"line":5339},19,[3085,5341,5342],{},"    * AuthorId : int \u003C\u003CFK>>\n",[3085,5344,5346],{"class":3083,"line":5345},20,[3085,5347,3361],{},[3085,5349,5351],{"class":3083,"line":5350},21,[3085,5352,3313],{"emptyLinePlaceholder":3312},[3085,5354,5356],{"class":3083,"line":5355},22,[3085,5357,5358],{},"Author ||--o{ Book : \"writes\"\n",[3085,5360,5362],{"class":3083,"line":5361},23,[3085,5363,3313],{"emptyLinePlaceholder":3312},[3085,5365,5367],{"class":3083,"line":5366},24,[3085,5368,5369],{},"@enduml\n",[3021,5371],{},[2960,5373,5375],{"id":5374},"create-додавання-даних","CREATE: додавання даних",[2965,5377,5378],{},"Тепер — повний CRUD. Починаємо зі створення нових записів.",[3172,5380,5382],{"className":3174,"code":5381,"filename":4422,"language":3177,"meta":3178,"style":3178},"// Крок 1: Ініціалізація і створення схеми\nusing var context = new AppDbContext();\ncontext.Database.EnsureCreated();\n\n// Крок 2: Створення об'єкта\nvar author = new Author\n{\n    Name      = \"Іван Франко\",\n    Biography = \"Видатний український письменник, поет, учений.\",\n    BornAt    = new DateTime(1856, 8, 27)\n};\n\n// Крок 3: Реєстрація в контексті\ncontext.Authors.Add(author);\n\n// Крок 4: Збереження до бази даних\nawait context.SaveChangesAsync();\n\nConsole.WriteLine($\"Автор збережений з Id = {author.Id}\");\n",[2977,5383,5384,5389,5405,5419,5423,5428,5441,5445,5459,5471,5501,5506,5510,5515,5535,5539,5544,5558,5562],{"__ignoreMap":3178},[3085,5385,5386],{"class":3083,"line":3183},[3085,5387,5388],{"class":3667},"// Крок 1: Ініціалізація і створення схеми\n",[3085,5390,5391,5393,5395,5397,5399,5401,5403],{"class":3083,"line":3197},[3085,5392,3782],{"class":3781},[3085,5394,4480],{"class":3186},[3085,5396,4483],{"class":3213},[3085,5398,4435],{"class":3200},[3085,5400,3345],{"class":3186},[3085,5402,3805],{"class":3193},[3085,5404,4616],{"class":3200},[3085,5406,5407,5409,5411,5413,5415,5417],{"class":3083,"line":3204},[3085,5408,4621],{"class":3213},[3085,5410,3058],{"class":3200},[3085,5412,3964],{"class":3213},[3085,5414,3058],{"class":3200},[3085,5416,4630],{"class":3837},[3085,5418,4616],{"class":3200},[3085,5420,5421],{"class":3083,"line":3232},[3085,5422,3313],{"emptyLinePlaceholder":3312},[3085,5424,5425],{"class":3083,"line":3265},[3085,5426,5427],{"class":3667},"// Крок 2: Створення об'єкта\n",[3085,5429,5430,5432,5435,5437,5439],{"class":3083,"line":3288},[3085,5431,4429],{"class":3186},[3085,5433,5434],{"class":3213}," author",[3085,5436,4435],{"class":3200},[3085,5438,3345],{"class":3186},[3085,5440,3194],{"class":3193},[3085,5442,5443],{"class":3083,"line":3309},[3085,5444,3201],{"class":3200},[3085,5446,5447,5450,5453,5456],{"class":3083,"line":3316},[3085,5448,5449],{"class":3213},"    Name",[3085,5451,5452],{"class":3200},"      = ",[3085,5454,5455],{"class":3918},"\"Іван Франко\"",[3085,5457,5458],{"class":3200},",\n",[3085,5460,5461,5464,5466,5469],{"class":3083,"line":3358},[3085,5462,5463],{"class":3213},"    Biography",[3085,5465,4435],{"class":3200},[3085,5467,5468],{"class":3918},"\"Видатний український письменник, поет, учений.\"",[3085,5470,5458],{"class":3200},[3085,5472,5473,5476,5479,5481,5483,5485,5489,5491,5494,5496,5499],{"class":3083,"line":3517},[3085,5474,5475],{"class":3213},"    BornAt",[3085,5477,5478],{"class":3200},"    = ",[3085,5480,3345],{"class":3186},[3085,5482,3293],{"class":3193},[3085,5484,3889],{"class":3200},[3085,5486,5488],{"class":5487},"sJj4R","1856",[3085,5490,3042],{"class":3200},[3085,5492,5493],{"class":5487},"8",[3085,5495,3042],{"class":3200},[3085,5497,5498],{"class":5487},"27",[3085,5500,3898],{"class":3200},[3085,5502,5503],{"class":3083,"line":3543},[3085,5504,5505],{"class":3200},"};\n",[3085,5507,5508],{"class":3083,"line":3930},[3085,5509,3313],{"emptyLinePlaceholder":3312},[3085,5511,5512],{"class":3083,"line":5305},[3085,5513,5514],{"class":3667},"// Крок 3: Реєстрація в контексті\n",[3085,5516,5517,5519,5521,5523,5525,5528,5530,5533],{"class":3083,"line":5310},[3085,5518,4621],{"class":3213},[3085,5520,3058],{"class":3200},[3085,5522,3831],{"class":3213},[3085,5524,3058],{"class":3200},[3085,5526,5527],{"class":3837},"Add",[3085,5529,3889],{"class":3200},[3085,5531,5532],{"class":3213},"author",[3085,5534,3922],{"class":3200},[3085,5536,5537],{"class":3083,"line":5315},[3085,5538,3313],{"emptyLinePlaceholder":3312},[3085,5540,5541],{"class":3083,"line":5321},[3085,5542,5543],{"class":3667},"// Крок 4: Збереження до бази даних\n",[3085,5545,5546,5549,5551,5553,5556],{"class":3083,"line":5327},[3085,5547,5548],{"class":3186},"await",[3085,5550,4483],{"class":3213},[3085,5552,3058],{"class":3200},[3085,5554,5555],{"class":3837},"SaveChangesAsync",[3085,5557,4616],{"class":3200},[3085,5559,5560],{"class":3083,"line":5333},[3085,5561,3313],{"emptyLinePlaceholder":3312},[3085,5563,5564,5567,5569,5572,5574,5577,5581,5583,5585,5587,5590,5593],{"class":3083,"line":5339},[3085,5565,5566],{"class":3213},"Console",[3085,5568,3058],{"class":3200},[3085,5570,5571],{"class":3837},"WriteLine",[3085,5573,3889],{"class":3200},[3085,5575,5576],{"class":3918},"$\"Автор збережений з Id = ",[3085,5578,5580],{"class":5579},"sD7JJ","{",[3085,5582,5532],{"class":3213},[3085,5584,3058],{"class":5579},[3085,5586,3559],{"class":3213},[3085,5588,5589],{"class":5579},"}",[3085,5591,5592],{"class":3918},"\"",[3085,5594,3922],{"class":3200},[2965,5596,5597],{},"Поглянемо на кожен крок детально.",[3550,5599,5601],{"id":5600},"anatomy-add","Anatomy: Add()",[2965,5603,5604,5607,5608,3739,5610,5613,5614,5617],{},[2977,5605,5606],{},"context.Authors.Add(author)"," не виконує жодного SQL. Він лише реєструє об'єкт ",[2977,5609,5532],{},[2969,5611,5612],{},"Change Tracker"," зі станом ",[2977,5615,5616],{},"EntityState.Added",". Це все — жодного звернення до бази.",[2965,5619,5620,5621,5624,5625,5628,5629,5632,5633,5636,5637,3058],{},"Ви можете додати 100 об'єктів через ",[2977,5622,5623],{},"Add()"," підряд — і лише один ",[2977,5626,5627],{},"SaveChanges()"," виконає всі 100 ",[2977,5630,5631],{},"INSERT","-ів ",[2969,5634,5635],{},"однією транзакцією"," та, де можливо, ",[2969,5638,5639],{},"одним батч-запитом",[3550,5641,5643],{"id":5642},"anatomy-savechangesasync","Anatomy: SaveChangesAsync()",[2965,5645,5646],{},"Це центральний метод, де відбувається вся \"магія\". Ось покроково:",[5648,5649,5650,5654,5657,5661,5670,5674,5677,5681,5695,5699],"steps",{},[3550,5651,5653],{"id":5652},"detectchanges","DetectChanges()",[2965,5655,5656],{},"EF Core обходить всі відстежувані об'єкти і порівнює їх поточний стан зі збереженим знімком. Знаходить всі Added, Modified, Deleted.",[3550,5658,5660],{"id":5659},"sql-generation","SQL Generation",[2965,5662,5663,5664,5666,5667,3058],{},"Для кожної зміни генерує відповідний SQL. Для ",[2977,5665,5616],{}," → ",[2977,5668,5669],{},"INSERT INTO Authors (...) VALUES (...)",[3550,5671,5673],{"id":5672},"batch-execution","Batch Execution",[2965,5675,5676],{},"SQL-команди об'єднуються у батчі і виконуються у неявній транзакції. Якщо будь-яка команда провалиться — вся транзакція відкотиться.",[3550,5678,5680],{"id":5679},"identity-update","Identity Update",[2965,5682,5683,5684,5686,5687,5690,5691,5694],{},"Після виконання ",[2977,5685,5631],{}," база повертає згенерований Id. EF Core автоматично заповнює ",[2977,5688,5689],{},"author.Id"," — тому після ",[2977,5692,5693],{},"SaveChangesAsync()"," у об'єкта вже є реальний Id з бази.",[3550,5696,5698],{"id":5697},"state-reset","State Reset",[2965,5700,5701,5702,5705,5706,5709],{},"Всі об'єкти переходять зі стану ",[2977,5703,5704],{},"Added"," у стан ",[2977,5707,5708],{},"Unchanged",". Change Tracker оновлює знімки до актуальних значень.",[2965,5711,5712,5713,5715,5716,5718],{},"Ось чому після ",[2977,5714,5693],{}," ми можемо прочитати ",[2977,5717,5689],{}," — EF Core вже заповнив його значенням з бази.",[3550,5720,5722],{"id":5721},"генерований-sql","Генерований SQL",[2965,5724,5725],{},"Що насправді виконує EF Core? Вмикаємо логування і дивимось:",[3172,5727,5731],{"className":5728,"code":5729,"language":5730,"meta":3178,"style":3178},"language-sql shiki shiki-themes light-plus dark-plus dark-plus","INSERT INTO \"Authors\" (\"Biography\", \"BornAt\", \"Name\")\nVALUES ('Видатний українс...', '1856-08-27 00:00:00', 'Іван Франко')\nRETURNING \"Id\";\n","sql",[2977,5732,5733,5759,5781],{"__ignoreMap":3178},[3085,5734,5735,5738,5741,5744,5747,5749,5752,5754,5757],{"class":3083,"line":3183},[3085,5736,5737],{"class":3186},"INSERT INTO",[3085,5739,5740],{"class":3918}," \"Authors\"",[3085,5742,5743],{"class":3200}," (",[3085,5745,5746],{"class":3918},"\"Biography\"",[3085,5748,3042],{"class":3200},[3085,5750,5751],{"class":3918},"\"BornAt\"",[3085,5753,3042],{"class":3200},[3085,5755,5756],{"class":3918},"\"Name\"",[3085,5758,3898],{"class":3200},[3085,5760,5761,5764,5766,5769,5771,5774,5776,5779],{"class":3083,"line":3197},[3085,5762,5763],{"class":3186},"VALUES",[3085,5765,5743],{"class":3200},[3085,5767,5768],{"class":3918},"'Видатний українс...'",[3085,5770,3042],{"class":3200},[3085,5772,5773],{"class":3918},"'1856-08-27 00:00:00'",[3085,5775,3042],{"class":3200},[3085,5777,5778],{"class":3918},"'Іван Франко'",[3085,5780,3898],{"class":3200},[3085,5782,5783,5786,5789],{"class":3083,"line":3204},[3085,5784,5785],{"class":3200},"RETURNING ",[3085,5787,5788],{"class":3918},"\"Id\"",[3085,5790,3262],{"class":3200},[2965,5792,3150,5793,5795,5796,5798,5799,5802],{},[2977,5794,3559],{}," не передається в ",[2977,5797,5631],{}," — він генерується базою (AUTOINCREMENT у SQLite). ",[2977,5800,5801],{},"RETURNING \"Id\""," — SQLite-специфічна інструкція, що повертає згенероване значення.",[3021,5804],{},[2960,5806,5808],{"id":5807},"read-читання-даних","READ: читання даних",[2965,5810,5811],{},"EF Core надає кілька способів читати дані — від простого пошуку за Id до складних LINQ-запитів.",[3550,5813,5815],{"id":5814},"findasync-читання-за-первинним-ключем","FindAsync — читання за первинним ключем",[3172,5817,5819],{"className":3174,"code":5818,"filename":4422,"language":3177,"meta":3178,"style":3178},"// Пошук за PK — спочатку перевіряє Change Tracker, потім іде в базу\nvar author = await context.Authors.FindAsync(1);\n\nif (author is null)\n{\n    Console.WriteLine(\"Автор не знайдений\");\n    return;\n}\n\nConsole.WriteLine($\"Знайдено: {author.Name}, народився {author.BornAt:d}\");\n",[2977,5820,5821,5826,5854,5858,5875,5879,5895,5902,5906,5910],{"__ignoreMap":3178},[3085,5822,5823],{"class":3083,"line":3183},[3085,5824,5825],{"class":3667},"// Пошук за PK — спочатку перевіряє Change Tracker, потім іде в базу\n",[3085,5827,5828,5830,5832,5834,5836,5838,5840,5842,5844,5847,5849,5852],{"class":3083,"line":3197},[3085,5829,4429],{"class":3186},[3085,5831,5434],{"class":3213},[3085,5833,4435],{"class":3200},[3085,5835,5548],{"class":3186},[3085,5837,4483],{"class":3213},[3085,5839,3058],{"class":3200},[3085,5841,3831],{"class":3213},[3085,5843,3058],{"class":3200},[3085,5845,5846],{"class":3837},"FindAsync",[3085,5848,3889],{"class":3200},[3085,5850,5851],{"class":5487},"1",[3085,5853,3922],{"class":3200},[3085,5855,5856],{"class":3083,"line":3204},[3085,5857,3313],{"emptyLinePlaceholder":3312},[3085,5859,5860,5863,5865,5867,5870,5873],{"class":3083,"line":3232},[3085,5861,5862],{"class":3781},"if",[3085,5864,5743],{"class":3200},[3085,5866,5532],{"class":3213},[3085,5868,5869],{"class":3186}," is",[3085,5871,5872],{"class":3186}," null",[3085,5874,3898],{"class":3200},[3085,5876,5877],{"class":3083,"line":3265},[3085,5878,3201],{"class":3200},[3085,5880,5881,5884,5886,5888,5890,5893],{"class":3083,"line":3288},[3085,5882,5883],{"class":3213},"    Console",[3085,5885,3058],{"class":3200},[3085,5887,5571],{"class":3837},[3085,5889,3889],{"class":3200},[3085,5891,5892],{"class":3918},"\"Автор не знайдений\"",[3085,5894,3922],{"class":3200},[3085,5896,5897,5900],{"class":3083,"line":3309},[3085,5898,5899],{"class":3781},"    return",[3085,5901,3262],{"class":3200},[3085,5903,5904],{"class":3083,"line":3316},[3085,5905,3361],{"class":3200},[3085,5907,5908],{"class":3083,"line":3358},[3085,5909,3313],{"emptyLinePlaceholder":3312},[3085,5911,5912,5914,5916,5918,5920,5923,5925,5927,5929,5932,5934,5937,5939,5941,5943,5946,5948,5951,5953,5955],{"class":3083,"line":3517},[3085,5913,5566],{"class":3213},[3085,5915,3058],{"class":3200},[3085,5917,5571],{"class":3837},[3085,5919,3889],{"class":3200},[3085,5921,5922],{"class":3918},"$\"Знайдено: ",[3085,5924,5580],{"class":5579},[3085,5926,5532],{"class":3213},[3085,5928,3058],{"class":5579},[3085,5930,5931],{"class":3213},"Name",[3085,5933,5589],{"class":5579},[3085,5935,5936],{"class":3918},", народився ",[3085,5938,5580],{"class":5579},[3085,5940,5532],{"class":3213},[3085,5942,3058],{"class":5579},[3085,5944,5945],{"class":3213},"BornAt",[3085,5947,4284],{"class":3200},[3085,5949,5950],{"class":3213},"d",[3085,5952,5589],{"class":5579},[3085,5954,5592],{"class":3918},[3085,5956,3922],{"class":3200},[2965,5958,5959,5962,5963,5965],{},[2977,5960,5961],{},"FindAsync(id)"," має особливість: спочатку він перевіряє ",[2969,5964,5612],{}," — чи є вже завантажений об'єкт з таким Id. Якщо є — повертає його без запиту до БД. Це корисна оптимізація для сценаріїв, де ви вже завантажили об'єкт раніше.",[3550,5967,5969],{"id":5968},"linq-запити-where-select-orderby","LINQ-запити: Where, Select, OrderBy",[3172,5971,5973],{"className":3174,"code":5972,"filename":4422,"language":3177,"meta":3178,"style":3178},"// Всі книги дорожче 200 грн, посортовані за назвою\nvar expensiveBooks = await context.Books\n    .Where(b => b.Price > 200m)\n    .OrderBy(b => b.Title)\n    .Select(b => new { b.Id, b.Title, b.Price })\n    .ToListAsync();\n\nforeach (var book in expensiveBooks)\n{\n    Console.WriteLine($\"[{book.Id}] {book.Title} — {book.Price:C}\");\n}\n",[2977,5974,5975,5980,5998,6027,6049,6091,6100,6104,6123,6127,6185],{"__ignoreMap":3178},[3085,5976,5977],{"class":3083,"line":3183},[3085,5978,5979],{"class":3667},"// Всі книги дорожче 200 грн, посортовані за назвою\n",[3085,5981,5982,5984,5987,5989,5991,5993,5995],{"class":3083,"line":3197},[3085,5983,4429],{"class":3186},[3085,5985,5986],{"class":3213}," expensiveBooks",[3085,5988,4435],{"class":3200},[3085,5990,5548],{"class":3186},[3085,5992,4483],{"class":3213},[3085,5994,3058],{"class":3200},[3085,5996,5997],{"class":3213},"Books\n",[3085,5999,6000,6002,6005,6007,6010,6012,6014,6016,6019,6022,6025],{"class":3083,"line":3204},[3085,6001,4452],{"class":3200},[3085,6003,6004],{"class":3837},"Where",[3085,6006,3889],{"class":3200},[3085,6008,6009],{"class":3213},"b",[3085,6011,3834],{"class":3200},[3085,6013,6009],{"class":3213},[3085,6015,3058],{"class":3200},[3085,6017,6018],{"class":3213},"Price",[3085,6020,6021],{"class":3200}," > ",[3085,6023,6024],{"class":5487},"200m",[3085,6026,3898],{"class":3200},[3085,6028,6029,6031,6034,6036,6038,6040,6042,6044,6047],{"class":3083,"line":3232},[3085,6030,4452],{"class":3200},[3085,6032,6033],{"class":3837},"OrderBy",[3085,6035,3889],{"class":3200},[3085,6037,6009],{"class":3213},[3085,6039,3834],{"class":3200},[3085,6041,6009],{"class":3213},[3085,6043,3058],{"class":3200},[3085,6045,6046],{"class":3213},"Title",[3085,6048,3898],{"class":3200},[3085,6050,6051,6053,6056,6058,6060,6062,6064,6066,6068,6070,6072,6074,6076,6078,6080,6082,6084,6086,6088],{"class":3083,"line":3265},[3085,6052,4452],{"class":3200},[3085,6054,6055],{"class":3837},"Select",[3085,6057,3889],{"class":3200},[3085,6059,6009],{"class":3213},[3085,6061,3834],{"class":3200},[3085,6063,3345],{"class":3186},[3085,6065,3217],{"class":3200},[3085,6067,6009],{"class":3213},[3085,6069,3058],{"class":3200},[3085,6071,3559],{"class":3213},[3085,6073,3042],{"class":3200},[3085,6075,6009],{"class":3213},[3085,6077,3058],{"class":3200},[3085,6079,6046],{"class":3213},[3085,6081,3042],{"class":3200},[3085,6083,6009],{"class":3213},[3085,6085,3058],{"class":3200},[3085,6087,6018],{"class":3213},[3085,6089,6090],{"class":3200}," })\n",[3085,6092,6093,6095,6098],{"class":3083,"line":3288},[3085,6094,4452],{"class":3200},[3085,6096,6097],{"class":3837},"ToListAsync",[3085,6099,4616],{"class":3200},[3085,6101,6102],{"class":3083,"line":3309},[3085,6103,3313],{"emptyLinePlaceholder":3312},[3085,6105,6106,6109,6111,6113,6116,6119,6121],{"class":3083,"line":3316},[3085,6107,6108],{"class":3781},"foreach",[3085,6110,5743],{"class":3200},[3085,6112,4429],{"class":3186},[3085,6114,6115],{"class":3213}," book",[3085,6117,6118],{"class":3781}," in",[3085,6120,5986],{"class":3213},[3085,6122,3898],{"class":3200},[3085,6124,6125],{"class":3083,"line":3358},[3085,6126,3201],{"class":3200},[3085,6128,6129,6131,6133,6135,6137,6140,6142,6145,6147,6149,6151,6154,6156,6158,6160,6162,6164,6166,6168,6170,6172,6174,6176,6179,6181,6183],{"class":3083,"line":3517},[3085,6130,5883],{"class":3213},[3085,6132,3058],{"class":3200},[3085,6134,5571],{"class":3837},[3085,6136,3889],{"class":3200},[3085,6138,6139],{"class":3918},"$\"[",[3085,6141,5580],{"class":5579},[3085,6143,6144],{"class":3213},"book",[3085,6146,3058],{"class":5579},[3085,6148,3559],{"class":3213},[3085,6150,5589],{"class":5579},[3085,6152,6153],{"class":3918},"] ",[3085,6155,5580],{"class":5579},[3085,6157,6144],{"class":3213},[3085,6159,3058],{"class":5579},[3085,6161,6046],{"class":3213},[3085,6163,5589],{"class":5579},[3085,6165,3600],{"class":3918},[3085,6167,5580],{"class":5579},[3085,6169,6144],{"class":3213},[3085,6171,3058],{"class":5579},[3085,6173,6018],{"class":3213},[3085,6175,4284],{"class":3200},[3085,6177,6178],{"class":3213},"C",[3085,6180,5589],{"class":5579},[3085,6182,5592],{"class":3918},[3085,6184,3922],{"class":3200},[3085,6186,6187],{"class":3083,"line":3543},[3085,6188,3361],{"class":3200},[2965,6190,6191],{},"Розберемо цей запит:",[2993,6193,6194,6207,6213,6219,6228],{},[2996,6195,6196,6199,6200,6203,6204],{},[2977,6197,6198],{},"context.Books"," — повертає ",[2977,6201,6202],{},"DbSet\u003CBook>",", що реалізує ",[2977,6205,6206],{},"IQueryable\u003CBook>",[2996,6208,6209,6212],{},[2977,6210,6211],{},".Where(b => b.Price > 200m)"," — додає умову фільтрації до Expression Tree",[2996,6214,6215,6218],{},[2977,6216,6217],{},".OrderBy(b => b.Title)"," — додає сортування до Expression Tree",[2996,6220,6221,3600,6224,6227],{},[2977,6222,6223],{},".Select(b => new { b.Id, b.Title, b.Price })",[2969,6225,6226],{},"проєкція",": вибираємо лише потрібні поля, а не весь об'єкт",[2996,6229,6230,3600,6233,6236],{},[2977,6231,6232],{},".ToListAsync()",[2969,6234,6235],{},"матеріалізація",": тут EF Core транслює весь Expression Tree у SQL і виконує запит",[2965,6238,6239],{},"Генерований SQL:",[3172,6241,6243],{"className":5728,"code":6242,"language":5730,"meta":3178,"style":3178},"SELECT b.\"Id\", b.\"Title\", b.\"Price\"\nFROM \"Books\" AS b\nWHERE b.\"Price\" > 200.0\nORDER BY b.\"Title\"\n",[2977,6244,6245,6266,6280,6300],{"__ignoreMap":3178},[3085,6246,6247,6250,6253,6255,6258,6261,6263],{"class":3083,"line":3183},[3085,6248,6249],{"class":3186},"SELECT",[3085,6251,6252],{"class":3200}," b.",[3085,6254,5788],{"class":3918},[3085,6256,6257],{"class":3200},", b.",[3085,6259,6260],{"class":3918},"\"Title\"",[3085,6262,6257],{"class":3200},[3085,6264,6265],{"class":3918},"\"Price\"\n",[3085,6267,6268,6271,6274,6277],{"class":3083,"line":3197},[3085,6269,6270],{"class":3186},"FROM",[3085,6272,6273],{"class":3918}," \"Books\"",[3085,6275,6276],{"class":3186}," AS",[3085,6278,6279],{"class":3200}," b\n",[3085,6281,6282,6285,6287,6290,6292,6295,6297],{"class":3083,"line":3204},[3085,6283,6284],{"class":3186},"WHERE",[3085,6286,6252],{"class":3200},[3085,6288,6289],{"class":3918},"\"Price\"",[3085,6291,6021],{"class":3200},[3085,6293,6294],{"class":5487},"200",[3085,6296,3058],{"class":3200},[3085,6298,6299],{"class":5487},"0\n",[3085,6301,6302,6305,6307],{"class":3083,"line":3232},[3085,6303,6304],{"class":3186},"ORDER BY",[3085,6306,6252],{"class":3200},[3085,6308,6309],{"class":3918},"\"Title\"\n",[4049,6311,6312,6313,6316,6317,6320,6321,6324],{},"Завжди використовуйте ",[2977,6314,6315],{},"Select()"," для проєкцій, якщо вам не потрібні всі поля. EF Core зробить ",[2977,6318,6319],{},"SELECT Id, Title, Price"," замість ",[2977,6322,6323],{},"SELECT *",". При великих сутностях (з великими текстовими або бінарними полями) це суттєво знижує обсяг переданих даних.",[3550,6326,6328],{"id":6327},"include-завантаження-повязаних-даних","Include: завантаження пов'язаних даних",[3172,6330,6332],{"className":3174,"code":6331,"filename":4422,"language":3177,"meta":3178,"style":3178},"// Завантажити автора разом зі всіма його книгами (Eager Loading)\nvar authorWithBooks = await context.Authors\n    .Include(a => a.Books)\n    .FirstOrDefaultAsync(a => a.Id == 1);\n\nif (authorWithBooks is not null)\n{\n    Console.WriteLine($\"Автор: {authorWithBooks.Name}\");\n    Console.WriteLine($\"Кількість книг: {authorWithBooks.Books.Count}\");\n\n    foreach (var book in authorWithBooks.Books)\n    {\n        Console.WriteLine($\"  — {book.Title} ({book.Year})\");\n    }\n}\n",[2977,6333,6334,6339,6357,6379,6405,6409,6427,6431,6458,6490,6494,6515,6519,6561,6565],{"__ignoreMap":3178},[3085,6335,6336],{"class":3083,"line":3183},[3085,6337,6338],{"class":3667},"// Завантажити автора разом зі всіма його книгами (Eager Loading)\n",[3085,6340,6341,6343,6346,6348,6350,6352,6354],{"class":3083,"line":3197},[3085,6342,4429],{"class":3186},[3085,6344,6345],{"class":3213}," authorWithBooks",[3085,6347,4435],{"class":3200},[3085,6349,5548],{"class":3186},[3085,6351,4483],{"class":3213},[3085,6353,3058],{"class":3200},[3085,6355,6356],{"class":3213},"Authors\n",[3085,6358,6359,6361,6364,6366,6369,6371,6373,6375,6377],{"class":3083,"line":3204},[3085,6360,4452],{"class":3200},[3085,6362,6363],{"class":3837},"Include",[3085,6365,3889],{"class":3200},[3085,6367,6368],{"class":3213},"a",[3085,6370,3834],{"class":3200},[3085,6372,6368],{"class":3213},[3085,6374,3058],{"class":3200},[3085,6376,3332],{"class":3213},[3085,6378,3898],{"class":3200},[3085,6380,6381,6383,6386,6388,6390,6392,6394,6396,6398,6401,6403],{"class":3083,"line":3232},[3085,6382,4452],{"class":3200},[3085,6384,6385],{"class":3837},"FirstOrDefaultAsync",[3085,6387,3889],{"class":3200},[3085,6389,6368],{"class":3213},[3085,6391,3834],{"class":3200},[3085,6393,6368],{"class":3213},[3085,6395,3058],{"class":3200},[3085,6397,3559],{"class":3213},[3085,6399,6400],{"class":3200}," == ",[3085,6402,5851],{"class":5487},[3085,6404,3922],{"class":3200},[3085,6406,6407],{"class":3083,"line":3265},[3085,6408,3313],{"emptyLinePlaceholder":3312},[3085,6410,6411,6413,6415,6418,6420,6423,6425],{"class":3083,"line":3288},[3085,6412,5862],{"class":3781},[3085,6414,5743],{"class":3200},[3085,6416,6417],{"class":3213},"authorWithBooks",[3085,6419,5869],{"class":3186},[3085,6421,6422],{"class":3186}," not",[3085,6424,5872],{"class":3186},[3085,6426,3898],{"class":3200},[3085,6428,6429],{"class":3083,"line":3309},[3085,6430,3201],{"class":3200},[3085,6432,6433,6435,6437,6439,6441,6444,6446,6448,6450,6452,6454,6456],{"class":3083,"line":3316},[3085,6434,5883],{"class":3213},[3085,6436,3058],{"class":3200},[3085,6438,5571],{"class":3837},[3085,6440,3889],{"class":3200},[3085,6442,6443],{"class":3918},"$\"Автор: ",[3085,6445,5580],{"class":5579},[3085,6447,6417],{"class":3213},[3085,6449,3058],{"class":5579},[3085,6451,5931],{"class":3213},[3085,6453,5589],{"class":5579},[3085,6455,5592],{"class":3918},[3085,6457,3922],{"class":3200},[3085,6459,6460,6462,6464,6466,6468,6471,6473,6475,6477,6479,6481,6484,6486,6488],{"class":3083,"line":3358},[3085,6461,5883],{"class":3213},[3085,6463,3058],{"class":3200},[3085,6465,5571],{"class":3837},[3085,6467,3889],{"class":3200},[3085,6469,6470],{"class":3918},"$\"Кількість книг: ",[3085,6472,5580],{"class":5579},[3085,6474,6417],{"class":3213},[3085,6476,3058],{"class":5579},[3085,6478,3332],{"class":3213},[3085,6480,3058],{"class":5579},[3085,6482,6483],{"class":3213},"Count",[3085,6485,5589],{"class":5579},[3085,6487,5592],{"class":3918},[3085,6489,3922],{"class":3200},[3085,6491,6492],{"class":3083,"line":3517},[3085,6493,3313],{"emptyLinePlaceholder":3312},[3085,6495,6496,6499,6501,6503,6505,6507,6509,6511,6513],{"class":3083,"line":3543},[3085,6497,6498],{"class":3781},"    foreach",[3085,6500,5743],{"class":3200},[3085,6502,4429],{"class":3186},[3085,6504,6115],{"class":3213},[3085,6506,6118],{"class":3781},[3085,6508,6345],{"class":3213},[3085,6510,3058],{"class":3200},[3085,6512,3332],{"class":3213},[3085,6514,3898],{"class":3200},[3085,6516,6517],{"class":3083,"line":3930},[3085,6518,3903],{"class":3200},[3085,6520,6521,6524,6526,6528,6530,6533,6535,6537,6539,6541,6543,6545,6547,6549,6551,6554,6556,6559],{"class":3083,"line":5305},[3085,6522,6523],{"class":3213},"        Console",[3085,6525,3058],{"class":3200},[3085,6527,5571],{"class":3837},[3085,6529,3889],{"class":3200},[3085,6531,6532],{"class":3918},"$\"  — ",[3085,6534,5580],{"class":5579},[3085,6536,6144],{"class":3213},[3085,6538,3058],{"class":5579},[3085,6540,6046],{"class":3213},[3085,6542,5589],{"class":5579},[3085,6544,5743],{"class":3918},[3085,6546,5580],{"class":5579},[3085,6548,6144],{"class":3213},[3085,6550,3058],{"class":5579},[3085,6552,6553],{"class":3213},"Year",[3085,6555,5589],{"class":5579},[3085,6557,6558],{"class":3918},")\"",[3085,6560,3922],{"class":3200},[3085,6562,6563],{"class":3083,"line":5310},[3085,6564,3927],{"class":3200},[3085,6566,6567],{"class":3083,"line":5315},[3085,6568,3361],{"class":3200},[2965,6570,6571,6574,6575,6578,6579,6582,6583,6585,6586,6588,6589,6592],{},[2977,6572,6573],{},"Include(a => a.Books)"," — це Eager Loading: EF Core завантажить і автора, і його колекцію книг в ",[2969,6576,6577],{},"одному"," SQL-запиті з ",[2977,6580,6581],{},"LEFT JOIN",". Без ",[2977,6584,6363],{}," властивість ",[2977,6587,3745],{}," буде порожньою колекцією (або спричинить ",[2977,6590,6591],{},"LazyLoadingException",", залежно від налаштувань).",[2965,6594,6595],{},"Детально стратегії завантаження пов'язаних даних — Eager, Lazy, Explicit Loading — розглядаються у Блоці 3.",[3021,6597],{},[2960,6599,6601],{"id":6600},"update-оновлення-даних","UPDATE: оновлення даних",[2965,6603,6604,6605,6608],{},"Оновлення в EF Core засноване на механізмі Change Tracking. Ви ",[2969,6606,6607],{},"не пишете UPDATE SQL"," — ви просто змінюєте властивості об'єкта, і EF Core сам визначає, що змінилось.",[3172,6610,6612],{"className":3174,"code":6611,"filename":4422,"language":3177,"meta":3178,"style":3178},"// 1. Завантажуємо об'єкт (він автоматично стає відстежуваним)\nvar book = await context.Books.FindAsync(1);\n\nif (book is null)\n{\n    Console.WriteLine(\"Книга не знайдена\");\n    return;\n}\n\n// 2. Зберігаємо оригінальне значення для демонстрації\nvar originalPrice = book.Price;\n\n// 3. Змінюємо властивість — EF Core відразу помітить це\nbook.Price = book.Price * 1.1m; // підвищення ціни на 10%\nbook.Title = book.Title.Trim();  // очищення пробілів у назві\n\n// 4. SaveChanges генерує UPDATE тільки для змінених полів\nawait context.SaveChangesAsync();\n\nConsole.WriteLine($\"Ціна оновлена: {originalPrice:C} → {book.Price:C}\");\n",[2977,6613,6614,6619,6645,6649,6663,6667,6682,6688,6692,6696,6701,6718,6722,6727,6754,6781,6785,6790,6802,6806],{"__ignoreMap":3178},[3085,6615,6616],{"class":3083,"line":3183},[3085,6617,6618],{"class":3667},"// 1. Завантажуємо об'єкт (він автоматично стає відстежуваним)\n",[3085,6620,6621,6623,6625,6627,6629,6631,6633,6635,6637,6639,6641,6643],{"class":3083,"line":3197},[3085,6622,4429],{"class":3186},[3085,6624,6115],{"class":3213},[3085,6626,4435],{"class":3200},[3085,6628,5548],{"class":3186},[3085,6630,4483],{"class":3213},[3085,6632,3058],{"class":3200},[3085,6634,3332],{"class":3213},[3085,6636,3058],{"class":3200},[3085,6638,5846],{"class":3837},[3085,6640,3889],{"class":3200},[3085,6642,5851],{"class":5487},[3085,6644,3922],{"class":3200},[3085,6646,6647],{"class":3083,"line":3204},[3085,6648,3313],{"emptyLinePlaceholder":3312},[3085,6650,6651,6653,6655,6657,6659,6661],{"class":3083,"line":3232},[3085,6652,5862],{"class":3781},[3085,6654,5743],{"class":3200},[3085,6656,6144],{"class":3213},[3085,6658,5869],{"class":3186},[3085,6660,5872],{"class":3186},[3085,6662,3898],{"class":3200},[3085,6664,6665],{"class":3083,"line":3265},[3085,6666,3201],{"class":3200},[3085,6668,6669,6671,6673,6675,6677,6680],{"class":3083,"line":3288},[3085,6670,5883],{"class":3213},[3085,6672,3058],{"class":3200},[3085,6674,5571],{"class":3837},[3085,6676,3889],{"class":3200},[3085,6678,6679],{"class":3918},"\"Книга не знайдена\"",[3085,6681,3922],{"class":3200},[3085,6683,6684,6686],{"class":3083,"line":3309},[3085,6685,5899],{"class":3781},[3085,6687,3262],{"class":3200},[3085,6689,6690],{"class":3083,"line":3316},[3085,6691,3361],{"class":3200},[3085,6693,6694],{"class":3083,"line":3358},[3085,6695,3313],{"emptyLinePlaceholder":3312},[3085,6697,6698],{"class":3083,"line":3517},[3085,6699,6700],{"class":3667},"// 2. Зберігаємо оригінальне значення для демонстрації\n",[3085,6702,6703,6705,6708,6710,6712,6714,6716],{"class":3083,"line":3543},[3085,6704,4429],{"class":3186},[3085,6706,6707],{"class":3213}," originalPrice",[3085,6709,4435],{"class":3200},[3085,6711,6144],{"class":3213},[3085,6713,3058],{"class":3200},[3085,6715,6018],{"class":3213},[3085,6717,3262],{"class":3200},[3085,6719,6720],{"class":3083,"line":3930},[3085,6721,3313],{"emptyLinePlaceholder":3312},[3085,6723,6724],{"class":3083,"line":5305},[3085,6725,6726],{"class":3667},"// 3. Змінюємо властивість — EF Core відразу помітить це\n",[3085,6728,6729,6731,6733,6735,6737,6739,6741,6743,6746,6749,6751],{"class":3083,"line":5310},[3085,6730,6144],{"class":3213},[3085,6732,3058],{"class":3200},[3085,6734,6018],{"class":3213},[3085,6736,4435],{"class":3200},[3085,6738,6144],{"class":3213},[3085,6740,3058],{"class":3200},[3085,6742,6018],{"class":3213},[3085,6744,6745],{"class":3200}," * ",[3085,6747,6748],{"class":5487},"1.1m",[3085,6750,3223],{"class":3200},[3085,6752,6753],{"class":3667},"// підвищення ціни на 10%\n",[3085,6755,6756,6758,6760,6762,6764,6766,6768,6770,6772,6775,6778],{"class":3083,"line":5315},[3085,6757,6144],{"class":3213},[3085,6759,3058],{"class":3200},[3085,6761,6046],{"class":3213},[3085,6763,4435],{"class":3200},[3085,6765,6144],{"class":3213},[3085,6767,3058],{"class":3200},[3085,6769,6046],{"class":3213},[3085,6771,3058],{"class":3200},[3085,6773,6774],{"class":3837},"Trim",[3085,6776,6777],{"class":3200},"();  ",[3085,6779,6780],{"class":3667},"// очищення пробілів у назві\n",[3085,6782,6783],{"class":3083,"line":5321},[3085,6784,3313],{"emptyLinePlaceholder":3312},[3085,6786,6787],{"class":3083,"line":5327},[3085,6788,6789],{"class":3667},"// 4. SaveChanges генерує UPDATE тільки для змінених полів\n",[3085,6791,6792,6794,6796,6798,6800],{"class":3083,"line":5333},[3085,6793,5548],{"class":3186},[3085,6795,4483],{"class":3213},[3085,6797,3058],{"class":3200},[3085,6799,5555],{"class":3837},[3085,6801,4616],{"class":3200},[3085,6803,6804],{"class":3083,"line":5339},[3085,6805,3313],{"emptyLinePlaceholder":3312},[3085,6807,6808,6810,6812,6814,6816,6819,6821,6824,6826,6828,6830,6832,6834,6836,6838,6840,6842,6844,6846,6848],{"class":3083,"line":5345},[3085,6809,5566],{"class":3213},[3085,6811,3058],{"class":3200},[3085,6813,5571],{"class":3837},[3085,6815,3889],{"class":3200},[3085,6817,6818],{"class":3918},"$\"Ціна оновлена: ",[3085,6820,5580],{"class":5579},[3085,6822,6823],{"class":3213},"originalPrice",[3085,6825,4284],{"class":3200},[3085,6827,6178],{"class":3213},[3085,6829,5589],{"class":5579},[3085,6831,5666],{"class":3918},[3085,6833,5580],{"class":5579},[3085,6835,6144],{"class":3213},[3085,6837,3058],{"class":5579},[3085,6839,6018],{"class":3213},[3085,6841,4284],{"class":3200},[3085,6843,6178],{"class":3213},[3085,6845,5589],{"class":5579},[3085,6847,5592],{"class":3918},[3085,6849,3922],{"class":3200},[3550,6851,6853],{"id":6852},"як-ef-core-знає-що-змінилось","Як EF Core знає, що змінилось?",[2965,6855,6856,6857,6860,6861,6864,6865,6867,6868,6870],{},"Коли ",[2977,6858,6859],{},"FindAsync(1)"," повертає об'єкт, EF Core одночасно зберігає ",[2969,6862,6863],{},"snapshot"," (знімок) початкових значень у Change Tracker. Коли ви викликаєте ",[2977,6866,5693],{},", EF Core викликає ",[2977,6869,5653],{}," — порівнює поточні значення зі знімком — і визначає, які поля змінились.",[2965,6872,6873,6874,2980,6876,6878,6879,2980,6881,6884,6885,6888],{},"Якщо ви змінили ",[2977,6875,6018],{},[2977,6877,6046],{},", але не чіпали ",[2977,6880,6553],{},[2977,6882,6883],{},"Isbn",", EF Core згенерує ",[2977,6886,6887],{},"UPDATE"," лише для двох змінених стовпців:",[3172,6890,6892],{"className":5728,"code":6891,"language":5730,"meta":3178,"style":3178},"UPDATE \"Books\"\nSET \"Price\" = 220.0, \"Title\" = 'Кобзар'\nWHERE \"Id\" = 1;\n",[2977,6893,6894,6901,6928],{"__ignoreMap":3178},[3085,6895,6896,6898],{"class":3083,"line":3183},[3085,6897,6887],{"class":3186},[3085,6899,6900],{"class":3918}," \"Books\"\n",[3085,6902,6903,6906,6909,6911,6914,6916,6919,6921,6923,6925],{"class":3083,"line":3197},[3085,6904,6905],{"class":3186},"SET",[3085,6907,6908],{"class":3918}," \"Price\"",[3085,6910,4435],{"class":3200},[3085,6912,6913],{"class":5487},"220",[3085,6915,3058],{"class":3200},[3085,6917,6918],{"class":5487},"0",[3085,6920,3042],{"class":3200},[3085,6922,6260],{"class":3918},[3085,6924,4435],{"class":3200},[3085,6926,6927],{"class":3918},"'Кобзар'\n",[3085,6929,6930,6932,6935,6937,6939],{"class":3083,"line":3204},[3085,6931,6284],{"class":3186},[3085,6933,6934],{"class":3918}," \"Id\"",[3085,6936,4435],{"class":3200},[3085,6938,5851],{"class":5487},[3085,6940,3262],{"class":3200},[2965,6942,6943,6944,6947,6948,6951],{},"Це ",[2969,6945,6946],{},"розумний UPDATE",". Не ",[2977,6949,6950],{},"SET *"," — лише те, що реально змінилось. Це зменшує обсяг переданих даних і захищає від конфліктів при паралельних змінах.",[6953,6954,6955,6956,6959,6960,6963],"warning",{},"Не плутайте \"об'єкт існує в пам'яті\" з \"об'єкт відстежується EF Core\". Якщо ви створили ",[2977,6957,6958],{},"new Book()"," і заповнили його поля, але не передали через ",[2977,6961,6962],{},"context.Books.Add()"," або не завантажили через запит — EF Core нічого про нього не знає і не збереже зміни.",[3021,6965],{},[2960,6967,6969],{"id":6968},"delete-видалення-даних","DELETE: видалення даних",[2965,6971,6972],{},"Видалення, як і оновлення, вимагає, щоб сутність була відстежувана контекстом.",[3172,6974,6976],{"className":3174,"code":6975,"filename":4422,"language":3177,"meta":3178,"style":3178},"// Спосіб 1: Завантажити, потім видалити\nvar book = await context.Books.FindAsync(3);\n\nif (book is not null)\n{\n    context.Books.Remove(book);\n    await context.SaveChangesAsync();\n    Console.WriteLine($\"Книга з Id=3 видалена\");\n}\n",[2977,6977,6978,6983,7010,7014,7030,7034,7054,7067,7082],{"__ignoreMap":3178},[3085,6979,6980],{"class":3083,"line":3183},[3085,6981,6982],{"class":3667},"// Спосіб 1: Завантажити, потім видалити\n",[3085,6984,6985,6987,6989,6991,6993,6995,6997,6999,7001,7003,7005,7008],{"class":3083,"line":3197},[3085,6986,4429],{"class":3186},[3085,6988,6115],{"class":3213},[3085,6990,4435],{"class":3200},[3085,6992,5548],{"class":3186},[3085,6994,4483],{"class":3213},[3085,6996,3058],{"class":3200},[3085,6998,3332],{"class":3213},[3085,7000,3058],{"class":3200},[3085,7002,5846],{"class":3837},[3085,7004,3889],{"class":3200},[3085,7006,7007],{"class":5487},"3",[3085,7009,3922],{"class":3200},[3085,7011,7012],{"class":3083,"line":3204},[3085,7013,3313],{"emptyLinePlaceholder":3312},[3085,7015,7016,7018,7020,7022,7024,7026,7028],{"class":3083,"line":3232},[3085,7017,5862],{"class":3781},[3085,7019,5743],{"class":3200},[3085,7021,6144],{"class":3213},[3085,7023,5869],{"class":3186},[3085,7025,6422],{"class":3186},[3085,7027,5872],{"class":3186},[3085,7029,3898],{"class":3200},[3085,7031,7032],{"class":3083,"line":3265},[3085,7033,3201],{"class":3200},[3085,7035,7036,7039,7041,7043,7045,7048,7050,7052],{"class":3083,"line":3288},[3085,7037,7038],{"class":3213},"    context",[3085,7040,3058],{"class":3200},[3085,7042,3332],{"class":3213},[3085,7044,3058],{"class":3200},[3085,7046,7047],{"class":3837},"Remove",[3085,7049,3889],{"class":3200},[3085,7051,6144],{"class":3213},[3085,7053,3922],{"class":3200},[3085,7055,7056,7059,7061,7063,7065],{"class":3083,"line":3309},[3085,7057,7058],{"class":3186},"    await",[3085,7060,4483],{"class":3213},[3085,7062,3058],{"class":3200},[3085,7064,5555],{"class":3837},[3085,7066,4616],{"class":3200},[3085,7068,7069,7071,7073,7075,7077,7080],{"class":3083,"line":3316},[3085,7070,5883],{"class":3213},[3085,7072,3058],{"class":3200},[3085,7074,5571],{"class":3837},[3085,7076,3889],{"class":3200},[3085,7078,7079],{"class":3918},"$\"Книга з Id=3 видалена\"",[3085,7081,3922],{"class":3200},[3085,7083,7084],{"class":3083,"line":3358},[3085,7085,3361],{"class":3200},[2965,7087,7088,7091,7092,7095,7096,7098],{},[2977,7089,7090],{},"context.Books.Remove(book)"," переводить сутність у стан ",[2977,7093,7094],{},"EntityState.Deleted",". Після ",[2977,7097,5693],{}," EF Core виконає:",[3172,7100,7102],{"className":5728,"code":7101,"language":5730,"meta":3178,"style":3178},"DELETE FROM \"Books\"\nWHERE \"Id\" = 3;\n",[2977,7103,7104,7114],{"__ignoreMap":3178},[3085,7105,7106,7109,7112],{"class":3083,"line":3183},[3085,7107,7108],{"class":3186},"DELETE",[3085,7110,7111],{"class":3186}," FROM",[3085,7113,6900],{"class":3918},[3085,7115,7116,7118,7120,7122,7124],{"class":3083,"line":3197},[3085,7117,6284],{"class":3186},[3085,7119,6934],{"class":3918},[3085,7121,4435],{"class":3200},[3085,7123,7007],{"class":5487},[3085,7125,3262],{"class":3200},[3550,7127,7129],{"id":7128},"видалення-без-завантаження-ef-core-7","Видалення без завантаження (EF Core 7+)",[2965,7131,7132,7133,7136],{},"Якщо вам не потрібен сам об'єкт — лише виконати DELETE за умовою — EF Core 7 додав ",[2977,7134,7135],{},"ExecuteDeleteAsync()",". Це значно ефективніше: без завантаження об'єкта, без Change Tracking:",[3172,7138,7140],{"className":3174,"code":7139,"filename":4422,"language":3177,"meta":3178,"style":3178},"// Видалити всі книги старіші за 1900 рік — без завантаження в пам'ять\nvar deletedCount = await context.Books\n    .Where(b => b.Year \u003C 1900)\n    .ExecuteDeleteAsync();\n\nConsole.WriteLine($\"Видалено {deletedCount} застарілих книг\");\n",[2977,7141,7142,7147,7164,7190,7199,7203],{"__ignoreMap":3178},[3085,7143,7144],{"class":3083,"line":3183},[3085,7145,7146],{"class":3667},"// Видалити всі книги старіші за 1900 рік — без завантаження в пам'ять\n",[3085,7148,7149,7151,7154,7156,7158,7160,7162],{"class":3083,"line":3197},[3085,7150,4429],{"class":3186},[3085,7152,7153],{"class":3213}," deletedCount",[3085,7155,4435],{"class":3200},[3085,7157,5548],{"class":3186},[3085,7159,4483],{"class":3213},[3085,7161,3058],{"class":3200},[3085,7163,5997],{"class":3213},[3085,7165,7166,7168,7170,7172,7174,7176,7178,7180,7182,7185,7188],{"class":3083,"line":3204},[3085,7167,4452],{"class":3200},[3085,7169,6004],{"class":3837},[3085,7171,3889],{"class":3200},[3085,7173,6009],{"class":3213},[3085,7175,3834],{"class":3200},[3085,7177,6009],{"class":3213},[3085,7179,3058],{"class":3200},[3085,7181,6553],{"class":3213},[3085,7183,7184],{"class":3200}," \u003C ",[3085,7186,7187],{"class":5487},"1900",[3085,7189,3898],{"class":3200},[3085,7191,7192,7194,7197],{"class":3083,"line":3232},[3085,7193,4452],{"class":3200},[3085,7195,7196],{"class":3837},"ExecuteDeleteAsync",[3085,7198,4616],{"class":3200},[3085,7200,7201],{"class":3083,"line":3265},[3085,7202,3313],{"emptyLinePlaceholder":3312},[3085,7204,7205,7207,7209,7211,7213,7216,7218,7221,7223,7226],{"class":3083,"line":3288},[3085,7206,5566],{"class":3213},[3085,7208,3058],{"class":3200},[3085,7210,5571],{"class":3837},[3085,7212,3889],{"class":3200},[3085,7214,7215],{"class":3918},"$\"Видалено ",[3085,7217,5580],{"class":5579},[3085,7219,7220],{"class":3213},"deletedCount",[3085,7222,5589],{"class":5579},[3085,7224,7225],{"class":3918}," застарілих книг\"",[3085,7227,3922],{"class":3200},[2965,7229,6239],{},[3172,7231,7233],{"className":5728,"code":7232,"language":5730,"meta":3178,"style":3178},"DELETE FROM \"Books\"\nWHERE \"Year\" \u003C 1900;\n",[2977,7234,7235,7243],{"__ignoreMap":3178},[3085,7236,7237,7239,7241],{"class":3083,"line":3183},[3085,7238,7108],{"class":3186},[3085,7240,7111],{"class":3186},[3085,7242,6900],{"class":3918},[3085,7244,7245,7247,7250,7252,7254],{"class":3083,"line":3197},[3085,7246,6284],{"class":3186},[3085,7248,7249],{"class":3918}," \"Year\"",[3085,7251,7184],{"class":3200},[3085,7253,7187],{"class":5487},[3085,7255,3262],{"class":3200},[2965,7257,7258,7259,7262,7263,7266],{},"Детально про ",[2977,7260,7261],{},"ExecuteDelete"," та ",[2977,7264,7265],{},"ExecuteUpdate"," — у статті про просунуті запити (Блок 3).",[3021,7268],{},[2960,7270,7272],{"id":7271},"логування-sql-бачимо-все-що-відбувається","Логування SQL: бачимо все, що відбувається",[2965,7274,7275],{},"EF Core генерує SQL-запити за лаштунками. Щоб бачити кожен з них — вмикаємо логування. Це критично важливо при розробці: ви повинні знати, що саме виконується.",[3550,7277,7279],{"id":7278},"спосіб-1-logto-найпростіший","Спосіб 1: LogTo (найпростіший)",[3172,7281,7283],{"className":3174,"code":7282,"filename":3774,"language":3177,"meta":3178,"style":3178},"protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)\n{\n    optionsBuilder\n        .UseSqlite(\"Data Source=bookcatalog.db\")\n        .LogTo(Console.WriteLine, LogLevel.Information) // виводити в консоль\n        .EnableSensitiveDataLogging();                  // показувати значення параметрів\n}\n",[2977,7284,7285,7304,7308,7313,7326,7357,7370],{"__ignoreMap":3178},[3085,7286,7287,7290,7292,7294,7296,7298,7300,7302],{"class":3083,"line":3183},[3085,7288,7289],{"class":3186},"protected",[3085,7291,3880],{"class":3186},[3085,7293,3883],{"class":3186},[3085,7295,3886],{"class":3837},[3085,7297,3889],{"class":3200},[3085,7299,3892],{"class":3193},[3085,7301,3895],{"class":3213},[3085,7303,3898],{"class":3200},[3085,7305,7306],{"class":3083,"line":3197},[3085,7307,3201],{"class":3200},[3085,7309,7310],{"class":3083,"line":3204},[3085,7311,7312],{"class":3213},"    optionsBuilder\n",[3085,7314,7315,7318,7320,7322,7324],{"class":3083,"line":3232},[3085,7316,7317],{"class":3200},"        .",[3085,7319,3913],{"class":3837},[3085,7321,3889],{"class":3200},[3085,7323,3919],{"class":3918},[3085,7325,3898],{"class":3200},[3085,7327,7328,7330,7333,7335,7337,7339,7341,7343,7346,7348,7351,7354],{"class":3083,"line":3265},[3085,7329,7317],{"class":3200},[3085,7331,7332],{"class":3837},"LogTo",[3085,7334,3889],{"class":3200},[3085,7336,5566],{"class":3213},[3085,7338,3058],{"class":3200},[3085,7340,5571],{"class":3213},[3085,7342,3042],{"class":3200},[3085,7344,7345],{"class":3213},"LogLevel",[3085,7347,3058],{"class":3200},[3085,7349,7350],{"class":3213},"Information",[3085,7352,7353],{"class":3200},") ",[3085,7355,7356],{"class":3667},"// виводити в консоль\n",[3085,7358,7359,7361,7364,7367],{"class":3083,"line":3288},[3085,7360,7317],{"class":3200},[3085,7362,7363],{"class":3837},"EnableSensitiveDataLogging",[3085,7365,7366],{"class":3200},"();                  ",[3085,7368,7369],{"class":3667},"// показувати значення параметрів\n",[3085,7371,7372],{"class":3083,"line":3309},[3085,7373,3361],{"class":3200},[2965,7375,7376],{},"Тепер кожен SQL буде виводитись у консоль:",[3075,7378,7380,7389,7393,7401,7408],{":cursor":3077,"title":7379},"dotnet run",[3080,7381,7383,7388],{"className":7382},[3083],[3085,7384,7387],{"className":7385},[7386],"text-blue-400","info",": Microsoft.EntityFrameworkCore.Database.Command[20101]",[3080,7390,7392],{"className":7391},[3083],"      Executed DbCommand (2ms) [Parameters=[@p0='Іван Франко', @p1='1856-08-27', @p2='...'], CommandType='Text']",[3080,7394,7396,7397],{"className":7395},[3083],"      ",[3085,7398,7400],{"className":7399},[3100],"INSERT INTO \"Authors\" (\"Biography\", \"BornAt\", \"Name\")",[3080,7402,7396,7404],{"className":7403},[3083],[3085,7405,7407],{"className":7406},[3100],"VALUES (@p0, @p1, @p2)",[3080,7409,7396,7411],{"className":7410},[3083],[3085,7412,7414],{"className":7413},[3100],"RETURNING \"Id\";",[3550,7416,7418],{"id":7417},"enablesensitivedatalogging","EnableSensitiveDataLogging()",[2965,7420,7421,7422,7425,7426,3042,7429,7432,7433,7435],{},"За замовчуванням EF Core ",[2969,7423,7424],{},"не логує"," фактичні значення параметрів (тільки ",[2977,7427,7428],{},"@p0",[2977,7430,7431],{},"@p1","). Це зроблено з міркувань безпеки — значення можуть містити паролі, персональні дані. ",[2977,7434,7418],{}," вмикає показ значень.",[4162,7437,7438,7446],{},[2965,7439,7440,3600,7442,7445],{},[2977,7441,7418],{},[2969,7443,7444],{},"тільки для розробки",". Ніколи не вмикайте його у production. Використовуйте умовне увімкнення:",[3172,7447,7449],{"className":3174,"code":7448,"language":3177,"meta":3178,"style":3178},"if (environment.IsDevelopment())\n    optionsBuilder.EnableSensitiveDataLogging();\n",[2977,7450,7451,7468],{"__ignoreMap":3178},[3085,7452,7453,7455,7457,7460,7462,7465],{"class":3083,"line":3183},[3085,7454,5862],{"class":3781},[3085,7456,5743],{"class":3200},[3085,7458,7459],{"class":3213},"environment",[3085,7461,3058],{"class":3200},[3085,7463,7464],{"class":3837},"IsDevelopment",[3085,7466,7467],{"class":3200},"())\n",[3085,7469,7470,7473,7475,7477],{"class":3083,"line":3197},[3085,7471,7472],{"class":3213},"    optionsBuilder",[3085,7474,3058],{"class":3200},[3085,7476,7363],{"class":3837},[3085,7478,4616],{"class":3200},[3550,7480,7482],{"id":7481},"спосіб-2-logto-з-фільтром","Спосіб 2: LogTo з фільтром",[2965,7484,7485],{},"Якщо логів забагато і вони заважають — можна фільтрувати лише SQL-команди:",[3172,7487,7489],{"className":3174,"code":7488,"language":3177,"meta":3178,"style":3178},"optionsBuilder.LogTo(\n    Console.WriteLine,\n    new[] { DbLoggerCategory.Database.Command.Name }, // тільки SQL\n    LogLevel.Information\n);\n",[2977,7490,7491,7503,7513,7543,7553],{"__ignoreMap":3178},[3085,7492,7493,7496,7498,7500],{"class":3083,"line":3183},[3085,7494,7495],{"class":3213},"optionsBuilder",[3085,7497,3058],{"class":3200},[3085,7499,7332],{"class":3837},[3085,7501,7502],{"class":3200},"(\n",[3085,7504,7505,7507,7509,7511],{"class":3083,"line":3197},[3085,7506,5883],{"class":3213},[3085,7508,3058],{"class":3200},[3085,7510,5571],{"class":3213},[3085,7512,5458],{"class":3200},[3085,7514,7515,7518,7521,7524,7526,7528,7530,7533,7535,7537,7540],{"class":3083,"line":3204},[3085,7516,7517],{"class":3186},"    new",[3085,7519,7520],{"class":3200},"[] { ",[3085,7522,7523],{"class":3213},"DbLoggerCategory",[3085,7525,3058],{"class":3200},[3085,7527,3964],{"class":3213},[3085,7529,3058],{"class":3200},[3085,7531,7532],{"class":3213},"Command",[3085,7534,3058],{"class":3200},[3085,7536,5931],{"class":3213},[3085,7538,7539],{"class":3200}," }, ",[3085,7541,7542],{"class":3667},"// тільки SQL\n",[3085,7544,7545,7548,7550],{"class":3083,"line":3232},[3085,7546,7547],{"class":3213},"    LogLevel",[3085,7549,3058],{"class":3200},[3085,7551,7552],{"class":3213},"Information\n",[3085,7554,7555],{"class":3083,"line":3265},[3085,7556,3922],{"class":3200},[3021,7558],{},[2960,7560,7562],{"id":7561},"повна-демонстрація-все-разом","Повна демонстрація: все разом",[2965,7564,7565],{},"Зберемо все написане в єдину програму і запустимо:",[3172,7567,7569],{"className":3174,"code":7568,"filename":4422,"language":3177,"meta":3178,"style":3178},"using Microsoft.EntityFrameworkCore;\n\n// Ініціалізація і створення схеми\nawait using var context = new AppDbContext();\nawait context.Database.EnsureCreatedAsync();\n\nConsole.WriteLine(\"=== CREATE ===\");\nvar author = new Author\n{\n    Name      = \"Іван Франко\",\n    Biography = \"Видатний український письменник.\",\n    BornAt    = new DateTime(1856, 8, 27)\n};\ncontext.Authors.Add(author);\nawait context.SaveChangesAsync();\nConsole.WriteLine($\"Автор створений: Id={author.Id}\");\n\nvar book1 = new Book\n{\n    Title    = \"Захар Беркут\",\n    Isbn     = \"978-966-10-0000-1\",\n    Year     = 1883,\n    Price    = 150m,\n    AuthorId = author.Id\n};\nvar book2 = new Book\n{\n    Title    = \"Борислав сміється\",\n    Isbn     = \"978-966-10-0000-2\",\n    Year     = 1881,\n    Price    = 120m,\n    AuthorId = author.Id\n};\ncontext.Books.AddRange(book1, book2); // AddRange — кілька за раз\nawait context.SaveChangesAsync();\nConsole.WriteLine($\"Книги створені: Id={book1.Id}, Id={book2.Id}\");\n\nConsole.WriteLine(\"\\n=== READ ===\");\nvar authorWithBooks = await context.Authors\n    .Include(a => a.Books)\n    .FirstAsync(a => a.Id == author.Id);\nConsole.WriteLine($\"Автор: {authorWithBooks.Name}\");\nforeach (var b in authorWithBooks.Books)\n    Console.WriteLine($\"  — {b.Title} ({b.Year}), {b.Price:C}\");\n\nConsole.WriteLine(\"\\n=== UPDATE ===\");\nbook1.Price = 200m;\nawait context.SaveChangesAsync();\nConsole.WriteLine($\"Ціна '{book1.Title}' оновлена до {book1.Price:C}\");\n\nConsole.WriteLine(\"\\n=== DELETE ===\");\ncontext.Books.Remove(book2);\nawait context.SaveChangesAsync();\nConsole.WriteLine($\"Книга '{book2.Title}' видалена\");\n\nConsole.WriteLine(\"\\n=== FINAL STATE ===\");\nvar remaining = await context.Books.ToListAsync();\nConsole.WriteLine($\"Залишилось книг: {remaining.Count}\");\n",[2977,7570,7571,7583,7587,7592,7611,7628,7632,7647,7659,7663,7673,7684,7708,7712,7730,7742,7769,7773,7786,7790,7802,7815,7827,7839,7853,7858,7872,7877,7889,7901,7913,7925,7938,7943,7973,7986,8027,8032,8054,8071,8092,8122,8149,8171,8227,8232,8252,8267,8280,8325,8330,8350,8369,8382,8411,8416,8436,8460],{"__ignoreMap":3178},[3085,7572,7573,7575,7577,7579,7581],{"class":3083,"line":3183},[3085,7574,3782],{"class":3781},[3085,7576,3785],{"class":3193},[3085,7578,3058],{"class":3200},[3085,7580,3790],{"class":3193},[3085,7582,3262],{"class":3200},[3085,7584,7585],{"class":3083,"line":3197},[3085,7586,3313],{"emptyLinePlaceholder":3312},[3085,7588,7589],{"class":3083,"line":3204},[3085,7590,7591],{"class":3667},"// Ініціалізація і створення схеми\n",[3085,7593,7594,7596,7599,7601,7603,7605,7607,7609],{"class":3083,"line":3232},[3085,7595,5548],{"class":3186},[3085,7597,7598],{"class":3781}," using",[3085,7600,4480],{"class":3186},[3085,7602,4483],{"class":3213},[3085,7604,4435],{"class":3200},[3085,7606,3345],{"class":3186},[3085,7608,3805],{"class":3193},[3085,7610,4616],{"class":3200},[3085,7612,7613,7615,7617,7619,7621,7623,7626],{"class":3083,"line":3265},[3085,7614,5548],{"class":3186},[3085,7616,4483],{"class":3213},[3085,7618,3058],{"class":3200},[3085,7620,3964],{"class":3213},[3085,7622,3058],{"class":3200},[3085,7624,7625],{"class":3837},"EnsureCreatedAsync",[3085,7627,4616],{"class":3200},[3085,7629,7630],{"class":3083,"line":3288},[3085,7631,3313],{"emptyLinePlaceholder":3312},[3085,7633,7634,7636,7638,7640,7642,7645],{"class":3083,"line":3309},[3085,7635,5566],{"class":3213},[3085,7637,3058],{"class":3200},[3085,7639,5571],{"class":3837},[3085,7641,3889],{"class":3200},[3085,7643,7644],{"class":3918},"\"=== CREATE ===\"",[3085,7646,3922],{"class":3200},[3085,7648,7649,7651,7653,7655,7657],{"class":3083,"line":3316},[3085,7650,4429],{"class":3186},[3085,7652,5434],{"class":3213},[3085,7654,4435],{"class":3200},[3085,7656,3345],{"class":3186},[3085,7658,3194],{"class":3193},[3085,7660,7661],{"class":3083,"line":3358},[3085,7662,3201],{"class":3200},[3085,7664,7665,7667,7669,7671],{"class":3083,"line":3517},[3085,7666,5449],{"class":3213},[3085,7668,5452],{"class":3200},[3085,7670,5455],{"class":3918},[3085,7672,5458],{"class":3200},[3085,7674,7675,7677,7679,7682],{"class":3083,"line":3543},[3085,7676,5463],{"class":3213},[3085,7678,4435],{"class":3200},[3085,7680,7681],{"class":3918},"\"Видатний український письменник.\"",[3085,7683,5458],{"class":3200},[3085,7685,7686,7688,7690,7692,7694,7696,7698,7700,7702,7704,7706],{"class":3083,"line":3930},[3085,7687,5475],{"class":3213},[3085,7689,5478],{"class":3200},[3085,7691,3345],{"class":3186},[3085,7693,3293],{"class":3193},[3085,7695,3889],{"class":3200},[3085,7697,5488],{"class":5487},[3085,7699,3042],{"class":3200},[3085,7701,5493],{"class":5487},[3085,7703,3042],{"class":3200},[3085,7705,5498],{"class":5487},[3085,7707,3898],{"class":3200},[3085,7709,7710],{"class":3083,"line":5305},[3085,7711,5505],{"class":3200},[3085,7713,7714,7716,7718,7720,7722,7724,7726,7728],{"class":3083,"line":5310},[3085,7715,4621],{"class":3213},[3085,7717,3058],{"class":3200},[3085,7719,3831],{"class":3213},[3085,7721,3058],{"class":3200},[3085,7723,5527],{"class":3837},[3085,7725,3889],{"class":3200},[3085,7727,5532],{"class":3213},[3085,7729,3922],{"class":3200},[3085,7731,7732,7734,7736,7738,7740],{"class":3083,"line":5315},[3085,7733,5548],{"class":3186},[3085,7735,4483],{"class":3213},[3085,7737,3058],{"class":3200},[3085,7739,5555],{"class":3837},[3085,7741,4616],{"class":3200},[3085,7743,7744,7746,7748,7750,7752,7755,7757,7759,7761,7763,7765,7767],{"class":3083,"line":5321},[3085,7745,5566],{"class":3213},[3085,7747,3058],{"class":3200},[3085,7749,5571],{"class":3837},[3085,7751,3889],{"class":3200},[3085,7753,7754],{"class":3918},"$\"Автор створений: Id=",[3085,7756,5580],{"class":5579},[3085,7758,5532],{"class":3213},[3085,7760,3058],{"class":5579},[3085,7762,3559],{"class":3213},[3085,7764,5589],{"class":5579},[3085,7766,5592],{"class":3918},[3085,7768,3922],{"class":3200},[3085,7770,7771],{"class":3083,"line":5327},[3085,7772,3313],{"emptyLinePlaceholder":3312},[3085,7774,7775,7777,7780,7782,7784],{"class":3083,"line":5333},[3085,7776,4429],{"class":3186},[3085,7778,7779],{"class":3213}," book1",[3085,7781,4435],{"class":3200},[3085,7783,3345],{"class":3186},[3085,7785,3376],{"class":3193},[3085,7787,7788],{"class":3083,"line":5339},[3085,7789,3201],{"class":3200},[3085,7791,7792,7795,7797,7800],{"class":3083,"line":5345},[3085,7793,7794],{"class":3213},"    Title",[3085,7796,5478],{"class":3200},[3085,7798,7799],{"class":3918},"\"Захар Беркут\"",[3085,7801,5458],{"class":3200},[3085,7803,7804,7807,7810,7813],{"class":3083,"line":5350},[3085,7805,7806],{"class":3213},"    Isbn",[3085,7808,7809],{"class":3200},"     = ",[3085,7811,7812],{"class":3918},"\"978-966-10-0000-1\"",[3085,7814,5458],{"class":3200},[3085,7816,7817,7820,7822,7825],{"class":3083,"line":5355},[3085,7818,7819],{"class":3213},"    Year",[3085,7821,7809],{"class":3200},[3085,7823,7824],{"class":5487},"1883",[3085,7826,5458],{"class":3200},[3085,7828,7829,7832,7834,7837],{"class":3083,"line":5361},[3085,7830,7831],{"class":3213},"    Price",[3085,7833,5478],{"class":3200},[3085,7835,7836],{"class":5487},"150m",[3085,7838,5458],{"class":3200},[3085,7840,7841,7844,7846,7848,7850],{"class":3083,"line":5366},[3085,7842,7843],{"class":3213},"    AuthorId",[3085,7845,4435],{"class":3200},[3085,7847,5532],{"class":3213},[3085,7849,3058],{"class":3200},[3085,7851,7852],{"class":3213},"Id\n",[3085,7854,7856],{"class":3083,"line":7855},25,[3085,7857,5505],{"class":3200},[3085,7859,7861,7863,7866,7868,7870],{"class":3083,"line":7860},26,[3085,7862,4429],{"class":3186},[3085,7864,7865],{"class":3213}," book2",[3085,7867,4435],{"class":3200},[3085,7869,3345],{"class":3186},[3085,7871,3376],{"class":3193},[3085,7873,7875],{"class":3083,"line":7874},27,[3085,7876,3201],{"class":3200},[3085,7878,7880,7882,7884,7887],{"class":3083,"line":7879},28,[3085,7881,7794],{"class":3213},[3085,7883,5478],{"class":3200},[3085,7885,7886],{"class":3918},"\"Борислав сміється\"",[3085,7888,5458],{"class":3200},[3085,7890,7892,7894,7896,7899],{"class":3083,"line":7891},29,[3085,7893,7806],{"class":3213},[3085,7895,7809],{"class":3200},[3085,7897,7898],{"class":3918},"\"978-966-10-0000-2\"",[3085,7900,5458],{"class":3200},[3085,7902,7904,7906,7908,7911],{"class":3083,"line":7903},30,[3085,7905,7819],{"class":3213},[3085,7907,7809],{"class":3200},[3085,7909,7910],{"class":5487},"1881",[3085,7912,5458],{"class":3200},[3085,7914,7916,7918,7920,7923],{"class":3083,"line":7915},31,[3085,7917,7831],{"class":3213},[3085,7919,5478],{"class":3200},[3085,7921,7922],{"class":5487},"120m",[3085,7924,5458],{"class":3200},[3085,7926,7928,7930,7932,7934,7936],{"class":3083,"line":7927},32,[3085,7929,7843],{"class":3213},[3085,7931,4435],{"class":3200},[3085,7933,5532],{"class":3213},[3085,7935,3058],{"class":3200},[3085,7937,7852],{"class":3213},[3085,7939,7941],{"class":3083,"line":7940},33,[3085,7942,5505],{"class":3200},[3085,7944,7946,7948,7950,7952,7954,7957,7959,7962,7964,7967,7970],{"class":3083,"line":7945},34,[3085,7947,4621],{"class":3213},[3085,7949,3058],{"class":3200},[3085,7951,3332],{"class":3213},[3085,7953,3058],{"class":3200},[3085,7955,7956],{"class":3837},"AddRange",[3085,7958,3889],{"class":3200},[3085,7960,7961],{"class":3213},"book1",[3085,7963,3042],{"class":3200},[3085,7965,7966],{"class":3213},"book2",[3085,7968,7969],{"class":3200},"); ",[3085,7971,7972],{"class":3667},"// AddRange — кілька за раз\n",[3085,7974,7976,7978,7980,7982,7984],{"class":3083,"line":7975},35,[3085,7977,5548],{"class":3186},[3085,7979,4483],{"class":3213},[3085,7981,3058],{"class":3200},[3085,7983,5555],{"class":3837},[3085,7985,4616],{"class":3200},[3085,7987,7989,7991,7993,7995,7997,8000,8002,8004,8006,8008,8010,8013,8015,8017,8019,8021,8023,8025],{"class":3083,"line":7988},36,[3085,7990,5566],{"class":3213},[3085,7992,3058],{"class":3200},[3085,7994,5571],{"class":3837},[3085,7996,3889],{"class":3200},[3085,7998,7999],{"class":3918},"$\"Книги створені: Id=",[3085,8001,5580],{"class":5579},[3085,8003,7961],{"class":3213},[3085,8005,3058],{"class":5579},[3085,8007,3559],{"class":3213},[3085,8009,5589],{"class":5579},[3085,8011,8012],{"class":3918},", Id=",[3085,8014,5580],{"class":5579},[3085,8016,7966],{"class":3213},[3085,8018,3058],{"class":5579},[3085,8020,3559],{"class":3213},[3085,8022,5589],{"class":5579},[3085,8024,5592],{"class":3918},[3085,8026,3922],{"class":3200},[3085,8028,8030],{"class":3083,"line":8029},37,[3085,8031,3313],{"emptyLinePlaceholder":3312},[3085,8033,8035,8037,8039,8041,8043,8045,8049,8052],{"class":3083,"line":8034},38,[3085,8036,5566],{"class":3213},[3085,8038,3058],{"class":3200},[3085,8040,5571],{"class":3837},[3085,8042,3889],{"class":3200},[3085,8044,5592],{"class":3918},[3085,8046,8048],{"class":8047},"sjcCO","\\n",[3085,8050,8051],{"class":3918},"=== READ ===\"",[3085,8053,3922],{"class":3200},[3085,8055,8057,8059,8061,8063,8065,8067,8069],{"class":3083,"line":8056},39,[3085,8058,4429],{"class":3186},[3085,8060,6345],{"class":3213},[3085,8062,4435],{"class":3200},[3085,8064,5548],{"class":3186},[3085,8066,4483],{"class":3213},[3085,8068,3058],{"class":3200},[3085,8070,6356],{"class":3213},[3085,8072,8074,8076,8078,8080,8082,8084,8086,8088,8090],{"class":3083,"line":8073},40,[3085,8075,4452],{"class":3200},[3085,8077,6363],{"class":3837},[3085,8079,3889],{"class":3200},[3085,8081,6368],{"class":3213},[3085,8083,3834],{"class":3200},[3085,8085,6368],{"class":3213},[3085,8087,3058],{"class":3200},[3085,8089,3332],{"class":3213},[3085,8091,3898],{"class":3200},[3085,8093,8095,8097,8100,8102,8104,8106,8108,8110,8112,8114,8116,8118,8120],{"class":3083,"line":8094},41,[3085,8096,4452],{"class":3200},[3085,8098,8099],{"class":3837},"FirstAsync",[3085,8101,3889],{"class":3200},[3085,8103,6368],{"class":3213},[3085,8105,3834],{"class":3200},[3085,8107,6368],{"class":3213},[3085,8109,3058],{"class":3200},[3085,8111,3559],{"class":3213},[3085,8113,6400],{"class":3200},[3085,8115,5532],{"class":3213},[3085,8117,3058],{"class":3200},[3085,8119,3559],{"class":3213},[3085,8121,3922],{"class":3200},[3085,8123,8125,8127,8129,8131,8133,8135,8137,8139,8141,8143,8145,8147],{"class":3083,"line":8124},42,[3085,8126,5566],{"class":3213},[3085,8128,3058],{"class":3200},[3085,8130,5571],{"class":3837},[3085,8132,3889],{"class":3200},[3085,8134,6443],{"class":3918},[3085,8136,5580],{"class":5579},[3085,8138,6417],{"class":3213},[3085,8140,3058],{"class":5579},[3085,8142,5931],{"class":3213},[3085,8144,5589],{"class":5579},[3085,8146,5592],{"class":3918},[3085,8148,3922],{"class":3200},[3085,8150,8152,8154,8156,8158,8161,8163,8165,8167,8169],{"class":3083,"line":8151},43,[3085,8153,6108],{"class":3781},[3085,8155,5743],{"class":3200},[3085,8157,4429],{"class":3186},[3085,8159,8160],{"class":3213}," b",[3085,8162,6118],{"class":3781},[3085,8164,6345],{"class":3213},[3085,8166,3058],{"class":3200},[3085,8168,3332],{"class":3213},[3085,8170,3898],{"class":3200},[3085,8172,8174,8176,8178,8180,8182,8184,8186,8188,8190,8192,8194,8196,8198,8200,8202,8204,8206,8209,8211,8213,8215,8217,8219,8221,8223,8225],{"class":3083,"line":8173},44,[3085,8175,5883],{"class":3213},[3085,8177,3058],{"class":3200},[3085,8179,5571],{"class":3837},[3085,8181,3889],{"class":3200},[3085,8183,6532],{"class":3918},[3085,8185,5580],{"class":5579},[3085,8187,6009],{"class":3213},[3085,8189,3058],{"class":5579},[3085,8191,6046],{"class":3213},[3085,8193,5589],{"class":5579},[3085,8195,5743],{"class":3918},[3085,8197,5580],{"class":5579},[3085,8199,6009],{"class":3213},[3085,8201,3058],{"class":5579},[3085,8203,6553],{"class":3213},[3085,8205,5589],{"class":5579},[3085,8207,8208],{"class":3918},"), ",[3085,8210,5580],{"class":5579},[3085,8212,6009],{"class":3213},[3085,8214,3058],{"class":5579},[3085,8216,6018],{"class":3213},[3085,8218,4284],{"class":3200},[3085,8220,6178],{"class":3213},[3085,8222,5589],{"class":5579},[3085,8224,5592],{"class":3918},[3085,8226,3922],{"class":3200},[3085,8228,8230],{"class":3083,"line":8229},45,[3085,8231,3313],{"emptyLinePlaceholder":3312},[3085,8233,8235,8237,8239,8241,8243,8245,8247,8250],{"class":3083,"line":8234},46,[3085,8236,5566],{"class":3213},[3085,8238,3058],{"class":3200},[3085,8240,5571],{"class":3837},[3085,8242,3889],{"class":3200},[3085,8244,5592],{"class":3918},[3085,8246,8048],{"class":8047},[3085,8248,8249],{"class":3918},"=== UPDATE ===\"",[3085,8251,3922],{"class":3200},[3085,8253,8255,8257,8259,8261,8263,8265],{"class":3083,"line":8254},47,[3085,8256,7961],{"class":3213},[3085,8258,3058],{"class":3200},[3085,8260,6018],{"class":3213},[3085,8262,4435],{"class":3200},[3085,8264,6024],{"class":5487},[3085,8266,3262],{"class":3200},[3085,8268,8270,8272,8274,8276,8278],{"class":3083,"line":8269},48,[3085,8271,5548],{"class":3186},[3085,8273,4483],{"class":3213},[3085,8275,3058],{"class":3200},[3085,8277,5555],{"class":3837},[3085,8279,4616],{"class":3200},[3085,8281,8283,8285,8287,8289,8291,8294,8296,8298,8300,8302,8304,8307,8309,8311,8313,8315,8317,8319,8321,8323],{"class":3083,"line":8282},49,[3085,8284,5566],{"class":3213},[3085,8286,3058],{"class":3200},[3085,8288,5571],{"class":3837},[3085,8290,3889],{"class":3200},[3085,8292,8293],{"class":3918},"$\"Ціна '",[3085,8295,5580],{"class":5579},[3085,8297,7961],{"class":3213},[3085,8299,3058],{"class":5579},[3085,8301,6046],{"class":3213},[3085,8303,5589],{"class":5579},[3085,8305,8306],{"class":3918},"' оновлена до ",[3085,8308,5580],{"class":5579},[3085,8310,7961],{"class":3213},[3085,8312,3058],{"class":5579},[3085,8314,6018],{"class":3213},[3085,8316,4284],{"class":3200},[3085,8318,6178],{"class":3213},[3085,8320,5589],{"class":5579},[3085,8322,5592],{"class":3918},[3085,8324,3922],{"class":3200},[3085,8326,8328],{"class":3083,"line":8327},50,[3085,8329,3313],{"emptyLinePlaceholder":3312},[3085,8331,8333,8335,8337,8339,8341,8343,8345,8348],{"class":3083,"line":8332},51,[3085,8334,5566],{"class":3213},[3085,8336,3058],{"class":3200},[3085,8338,5571],{"class":3837},[3085,8340,3889],{"class":3200},[3085,8342,5592],{"class":3918},[3085,8344,8048],{"class":8047},[3085,8346,8347],{"class":3918},"=== DELETE ===\"",[3085,8349,3922],{"class":3200},[3085,8351,8353,8355,8357,8359,8361,8363,8365,8367],{"class":3083,"line":8352},52,[3085,8354,4621],{"class":3213},[3085,8356,3058],{"class":3200},[3085,8358,3332],{"class":3213},[3085,8360,3058],{"class":3200},[3085,8362,7047],{"class":3837},[3085,8364,3889],{"class":3200},[3085,8366,7966],{"class":3213},[3085,8368,3922],{"class":3200},[3085,8370,8372,8374,8376,8378,8380],{"class":3083,"line":8371},53,[3085,8373,5548],{"class":3186},[3085,8375,4483],{"class":3213},[3085,8377,3058],{"class":3200},[3085,8379,5555],{"class":3837},[3085,8381,4616],{"class":3200},[3085,8383,8385,8387,8389,8391,8393,8396,8398,8400,8402,8404,8406,8409],{"class":3083,"line":8384},54,[3085,8386,5566],{"class":3213},[3085,8388,3058],{"class":3200},[3085,8390,5571],{"class":3837},[3085,8392,3889],{"class":3200},[3085,8394,8395],{"class":3918},"$\"Книга '",[3085,8397,5580],{"class":5579},[3085,8399,7966],{"class":3213},[3085,8401,3058],{"class":5579},[3085,8403,6046],{"class":3213},[3085,8405,5589],{"class":5579},[3085,8407,8408],{"class":3918},"' видалена\"",[3085,8410,3922],{"class":3200},[3085,8412,8414],{"class":3083,"line":8413},55,[3085,8415,3313],{"emptyLinePlaceholder":3312},[3085,8417,8419,8421,8423,8425,8427,8429,8431,8434],{"class":3083,"line":8418},56,[3085,8420,5566],{"class":3213},[3085,8422,3058],{"class":3200},[3085,8424,5571],{"class":3837},[3085,8426,3889],{"class":3200},[3085,8428,5592],{"class":3918},[3085,8430,8048],{"class":8047},[3085,8432,8433],{"class":3918},"=== FINAL STATE ===\"",[3085,8435,3922],{"class":3200},[3085,8437,8439,8441,8444,8446,8448,8450,8452,8454,8456,8458],{"class":3083,"line":8438},57,[3085,8440,4429],{"class":3186},[3085,8442,8443],{"class":3213}," remaining",[3085,8445,4435],{"class":3200},[3085,8447,5548],{"class":3186},[3085,8449,4483],{"class":3213},[3085,8451,3058],{"class":3200},[3085,8453,3332],{"class":3213},[3085,8455,3058],{"class":3200},[3085,8457,6097],{"class":3837},[3085,8459,4616],{"class":3200},[3085,8461,8463,8465,8467,8469,8471,8474,8476,8479,8481,8483,8485,8487],{"class":3083,"line":8462},58,[3085,8464,5566],{"class":3213},[3085,8466,3058],{"class":3200},[3085,8468,5571],{"class":3837},[3085,8470,3889],{"class":3200},[3085,8472,8473],{"class":3918},"$\"Залишилось книг: ",[3085,8475,5580],{"class":5579},[3085,8477,8478],{"class":3213},"remaining",[3085,8480,3058],{"class":5579},[3085,8482,6483],{"class":3213},[3085,8484,5589],{"class":5579},[3085,8486,5592],{"class":3918},[3085,8488,3922],{"class":3200},[3075,8490,8491,8495,8502,8509,8512,8516,8523,8527,8531,8534,8538,8546,8549,8553,8561,8564,8568],{":cursor":3077,"title":7379},[3080,8492,8494],{"className":8493},[3083],"=== CREATE ===",[3080,8496,8498],{"className":8497},[3083],[3085,8499,8501],{"className":8500},[3100,3101],"Автор створений: Id=1",[3080,8503,8505],{"className":8504},[3083],[3085,8506,8508],{"className":8507},[3100,3101],"Книги створені: Id=1, Id=2",[3080,8510],{"className":8511},[3083],[3080,8513,8515],{"className":8514},[3083],"=== READ ===",[3080,8517,8519],{"className":8518},[3083],[3085,8520,8522],{"className":8521},[7386],"Автор: Іван Франко",[3080,8524,8526],{"className":8525},[3083],"  — Захар Беркут (1883), ₴150,00",[3080,8528,8530],{"className":8529},[3083],"  — Борислав сміється (1881), ₴120,00",[3080,8532],{"className":8533},[3083],[3080,8535,8537],{"className":8536},[3083],"=== UPDATE ===",[3080,8539,8541],{"className":8540},[3083],[3085,8542,8545],{"className":8543},[8544],"text-yellow-400","Ціна 'Захар Беркут' оновлена до ₴200,00",[3080,8547],{"className":8548},[3083],[3080,8550,8552],{"className":8551},[3083],"=== DELETE ===",[3080,8554,8556],{"className":8555},[3083],[3085,8557,8560],{"className":8558},[8559],"text-rose-400","Книга 'Борислав сміється' видалена",[3080,8562],{"className":8563},[3083],[3080,8565,8567],{"className":8566},[3083],"=== FINAL STATE ===",[3080,8569,8571],{"className":8570},[3083],"Залишилось книг: 1",[3021,8573],{},[2960,8575,8577],{"id":8576},"lifecycle-запиту-від-linq-до-sql","Lifecycle запиту: від LINQ до SQL",[2965,8579,8580],{},"Узагальнимо, що відбувається при кожному запиті:",[8582,8583,8584],"mermaid",{},[3172,8585,8588],{"className":8586,"code":8587,"language":8582,"meta":3178,"style":3178},"language-mermaid shiki shiki-themes light-plus dark-plus dark-plus","graph LR\n    A[\"📝 LINQ-вираз\u003Cbr/>context.Books.Where(...)\"]\n    B[\"🌳 Expression Tree\u003Cbr/>(C#-дерево виразу)\"]\n    C[\"🔄 Query Compiler\u003Cbr/>(EF Core внутрішній механізм)\"]\n    D[\"💬 SQL-рядок\u003Cbr/>SELECT ... WHERE ...\"]\n    E[\"🔌 Database Provider\u003Cbr/>SQLite / PostgreSQL / ...\"]\n    F[\"📊 DbDataReader\u003Cbr/>(сирі рядки результату)\"]\n    G[\"✨ Матеріалізація\u003Cbr/>(C#-об'єкти)\"]\n    H[\"👁️ Change Tracker\u003Cbr/>(реєстрація об'єктів)\"]\n    I[\"📦 Результат\u003Cbr/>List\u003CBook>\"]\n\n    A --> B\n    B --> C\n    C --> D\n    D --> E\n    E --> F\n    F --> G\n    G --> H\n    H --> I\n\n    style A fill:#3b82f6,stroke:#1d4ed8,color:#ffffff\n    style D fill:#f59e0b,stroke:#b45309,color:#ffffff\n    style G fill:#10b981,stroke:#059669,color:#ffffff\n    style I fill:#64748b,stroke:#334155,color:#ffffff\n",[2977,8589,8590,8595,8600,8605,8610,8615,8620,8625,8630,8635,8640,8644,8649,8654,8659,8664,8669,8674,8679,8684,8688,8693,8698,8703],{"__ignoreMap":3178},[3085,8591,8592],{"class":3083,"line":3183},[3085,8593,8594],{},"graph LR\n",[3085,8596,8597],{"class":3083,"line":3197},[3085,8598,8599],{},"    A[\"📝 LINQ-вираз\u003Cbr/>context.Books.Where(...)\"]\n",[3085,8601,8602],{"class":3083,"line":3204},[3085,8603,8604],{},"    B[\"🌳 Expression Tree\u003Cbr/>(C#-дерево виразу)\"]\n",[3085,8606,8607],{"class":3083,"line":3232},[3085,8608,8609],{},"    C[\"🔄 Query Compiler\u003Cbr/>(EF Core внутрішній механізм)\"]\n",[3085,8611,8612],{"class":3083,"line":3265},[3085,8613,8614],{},"    D[\"💬 SQL-рядок\u003Cbr/>SELECT ... WHERE ...\"]\n",[3085,8616,8617],{"class":3083,"line":3288},[3085,8618,8619],{},"    E[\"🔌 Database Provider\u003Cbr/>SQLite / PostgreSQL / ...\"]\n",[3085,8621,8622],{"class":3083,"line":3309},[3085,8623,8624],{},"    F[\"📊 DbDataReader\u003Cbr/>(сирі рядки результату)\"]\n",[3085,8626,8627],{"class":3083,"line":3316},[3085,8628,8629],{},"    G[\"✨ Матеріалізація\u003Cbr/>(C#-об'єкти)\"]\n",[3085,8631,8632],{"class":3083,"line":3358},[3085,8633,8634],{},"    H[\"👁️ Change Tracker\u003Cbr/>(реєстрація об'єктів)\"]\n",[3085,8636,8637],{"class":3083,"line":3517},[3085,8638,8639],{},"    I[\"📦 Результат\u003Cbr/>List\u003CBook>\"]\n",[3085,8641,8642],{"class":3083,"line":3543},[3085,8643,3313],{"emptyLinePlaceholder":3312},[3085,8645,8646],{"class":3083,"line":3930},[3085,8647,8648],{},"    A --> B\n",[3085,8650,8651],{"class":3083,"line":5305},[3085,8652,8653],{},"    B --> C\n",[3085,8655,8656],{"class":3083,"line":5310},[3085,8657,8658],{},"    C --> D\n",[3085,8660,8661],{"class":3083,"line":5315},[3085,8662,8663],{},"    D --> E\n",[3085,8665,8666],{"class":3083,"line":5321},[3085,8667,8668],{},"    E --> F\n",[3085,8670,8671],{"class":3083,"line":5327},[3085,8672,8673],{},"    F --> G\n",[3085,8675,8676],{"class":3083,"line":5333},[3085,8677,8678],{},"    G --> H\n",[3085,8680,8681],{"class":3083,"line":5339},[3085,8682,8683],{},"    H --> I\n",[3085,8685,8686],{"class":3083,"line":5345},[3085,8687,3313],{"emptyLinePlaceholder":3312},[3085,8689,8690],{"class":3083,"line":5350},[3085,8691,8692],{},"    style A fill:#3b82f6,stroke:#1d4ed8,color:#ffffff\n",[3085,8694,8695],{"class":3083,"line":5355},[3085,8696,8697],{},"    style D fill:#f59e0b,stroke:#b45309,color:#ffffff\n",[3085,8699,8700],{"class":3083,"line":5361},[3085,8701,8702],{},"    style G fill:#10b981,stroke:#059669,color:#ffffff\n",[3085,8704,8705],{"class":3083,"line":5366},[3085,8706,8707],{},"    style I fill:#64748b,stroke:#334155,color:#ffffff\n",[2965,8709,8710],{},"Зверніть увагу на два ключових моменти:",[2965,8712,8713,8716,8717,3042,8719,3042,8721,8724],{},[2969,8714,8715],{},"Матеріалізація"," відбувається лише при виклику термінального оператора (",[2977,8718,6097],{},[2977,8720,8099],{},[2977,8722,8723],{},"CountAsync"," тощо). До цього моменту ви просто будуєте Expression Tree — SQL ще не виконується.",[2965,8726,8727,8729,8730,8733,8734,4284],{},[2969,8728,5612],{}," реєструє всі завантажені об'єкти. Це дозволяє EF Core відслідковувати зміни і генерувати UPDATE при ",[2977,8731,8732],{},"SaveChanges",". Якщо вам не потрібне відстеження — використовуйте ",[2977,8735,8736],{},"AsNoTracking()",[3172,8738,8740],{"className":3174,"code":8739,"language":3177,"meta":3178,"style":3178},"// Без Change Tracking — для read-only операцій (швидше)\nvar books = await context.Books\n    .AsNoTracking()\n    .Where(b => b.Year > 2000)\n    .ToListAsync();\n",[2977,8741,8742,8747,8764,8774,8799],{"__ignoreMap":3178},[3085,8743,8744],{"class":3083,"line":3183},[3085,8745,8746],{"class":3667},"// Без Change Tracking — для read-only операцій (швидше)\n",[3085,8748,8749,8751,8754,8756,8758,8760,8762],{"class":3083,"line":3197},[3085,8750,4429],{"class":3186},[3085,8752,8753],{"class":3213}," books",[3085,8755,4435],{"class":3200},[3085,8757,5548],{"class":3186},[3085,8759,4483],{"class":3213},[3085,8761,3058],{"class":3200},[3085,8763,5997],{"class":3213},[3085,8765,8766,8768,8771],{"class":3083,"line":3204},[3085,8767,4452],{"class":3200},[3085,8769,8770],{"class":3837},"AsNoTracking",[3085,8772,8773],{"class":3200},"()\n",[3085,8775,8776,8778,8780,8782,8784,8786,8788,8790,8792,8794,8797],{"class":3083,"line":3232},[3085,8777,4452],{"class":3200},[3085,8779,6004],{"class":3837},[3085,8781,3889],{"class":3200},[3085,8783,6009],{"class":3213},[3085,8785,3834],{"class":3200},[3085,8787,6009],{"class":3213},[3085,8789,3058],{"class":3200},[3085,8791,6553],{"class":3213},[3085,8793,6021],{"class":3200},[3085,8795,8796],{"class":5487},"2000",[3085,8798,3898],{"class":3200},[3085,8800,8801,8803,8805],{"class":3083,"line":3265},[3085,8802,4452],{"class":3200},[3085,8804,6097],{"class":3837},[3085,8806,4616],{"class":3200},[3021,8808],{},[2960,8810,8812],{"id":8811},"типові-помилки-початківця","Типові помилки початківця",[2965,8814,8815],{},"Ось кілька помилок, з якими стикається більшість розробників на старті:",[8817,8818,8819,8902,8927,8958],"accordion",{},[8820,8821,8824,8832,8841,8852],"accordion-item",{"icon":8822,"label":8823},"i-lucide-triangle-alert","Виклик SaveChanges після кожного Add()",[2965,8825,8826,3090,8829],{},[2969,8827,8828],{},"Що роблять:",[2977,8830,8831],{},"Add(a); SaveChanges(); Add(b); SaveChanges();",[2965,8833,8834,8837,8838,8840],{},[2969,8835,8836],{},"Чому це погано:"," Кожен ",[2977,8839,5627],{}," відкриває нову транзакцію і робить окремий round-trip до бази. 100 викликів = 100 транзакцій.",[2965,8842,8843,8846,8847,3090,8850,4284],{},[2969,8844,8845],{},"Правильно:"," Накопичити всі зміни, потім ",[2969,8848,8849],{},"один",[2977,8851,5627],{},[3172,8853,8855],{"className":3174,"code":8854,"language":3177,"meta":3178,"style":3178},"context.Authors.AddRange(author1, author2, author3);\nawait context.SaveChangesAsync(); // один INSERT BATCH\n",[2977,8856,8857,8886],{"__ignoreMap":3178},[3085,8858,8859,8861,8863,8865,8867,8869,8871,8874,8876,8879,8881,8884],{"class":3083,"line":3183},[3085,8860,4621],{"class":3213},[3085,8862,3058],{"class":3200},[3085,8864,3831],{"class":3213},[3085,8866,3058],{"class":3200},[3085,8868,7956],{"class":3837},[3085,8870,3889],{"class":3200},[3085,8872,8873],{"class":3213},"author1",[3085,8875,3042],{"class":3200},[3085,8877,8878],{"class":3213},"author2",[3085,8880,3042],{"class":3200},[3085,8882,8883],{"class":3213},"author3",[3085,8885,3922],{"class":3200},[3085,8887,8888,8890,8892,8894,8896,8899],{"class":3083,"line":3197},[3085,8889,5548],{"class":3186},[3085,8891,4483],{"class":3213},[3085,8893,3058],{"class":3200},[3085,8895,5555],{"class":3837},[3085,8897,8898],{"class":3200},"(); ",[3085,8900,8901],{"class":3667},"// один INSERT BATCH\n",[8820,8903,8905,8917,8922],{"icon":8822,"label":8904},"Читання і запис через різні контексти",[2965,8906,8907,8909,8910,8913,8914,3058],{},[2969,8908,8828],{}," Завантажують об'єкт через ",[2977,8911,8912],{},"context1",", намагаються зберегти через ",[2977,8915,8916],{},"context2",[2965,8918,8919,8921],{},[2969,8920,8836],{}," Об'єкт відстежується лише тим контекстом, через який завантажений. Інший контекст не знає про нього.",[2965,8923,8924,8926],{},[2969,8925,8845],{}," Один контекст для однієї «одиниці роботи» (Unit of Work). У веб-API — один контекст per HTTP-запит.",[8820,8928,8930,8940,8945],{"icon":8822,"label":8929},"Ігнорування async/await",[2965,8931,8932,3090,8934,6320,8937],{},[2969,8933,8828],{},[2977,8935,8936],{},"context.Books.ToList()",[2977,8938,8939],{},"await context.Books.ToListAsync()",[2965,8941,8942,8944],{},[2969,8943,8836],{}," Синхронні операції блокують потік. У ASP.NET Core це призводить до thread starvation при навантаженні.",[2965,8946,8947,8949,8950,3042,8952,3042,8954,3042,8956,3058],{},[2969,8948,8845],{}," Завжди використовуйте async-версії методів EF Core: ",[2977,8951,6097],{},[2977,8953,5555],{},[2977,8955,5846],{},[2977,8957,6385],{},[8820,8959,8961,8969,8977,8985],{"icon":8822,"label":8960},"Навантаження зайвих даних (Select \\*)",[2965,8962,8963,3090,8965,8968],{},[2969,8964,8828],{},[2977,8966,8967],{},"await context.Orders.ToListAsync()"," — і отримують повні об'єкти з усіма полями, хоча потрібні лише Id і Title.",[2965,8970,8971,8973,8974,8976],{},[2969,8972,8836],{}," При великих таблицях ",[2977,8975,6323],{}," передає зайві мегабайти з бази.",[2965,8978,8979,8981,8982,8984],{},[2969,8980,8845],{}," Завжди проєктуйте через ",[2977,8983,6315],{}," те, що реально потрібно:",[3172,8986,8988],{"className":3174,"code":8987,"language":3177,"meta":3178,"style":3178},"var titles = await context.Books\n    .Select(b => new { b.Id, b.Title })\n    .ToListAsync();\n",[2977,8989,8990,9007,9039],{"__ignoreMap":3178},[3085,8991,8992,8994,8997,8999,9001,9003,9005],{"class":3083,"line":3183},[3085,8993,4429],{"class":3186},[3085,8995,8996],{"class":3213}," titles",[3085,8998,4435],{"class":3200},[3085,9000,5548],{"class":3186},[3085,9002,4483],{"class":3213},[3085,9004,3058],{"class":3200},[3085,9006,5997],{"class":3213},[3085,9008,9009,9011,9013,9015,9017,9019,9021,9023,9025,9027,9029,9031,9033,9035,9037],{"class":3083,"line":3197},[3085,9010,4452],{"class":3200},[3085,9012,6055],{"class":3837},[3085,9014,3889],{"class":3200},[3085,9016,6009],{"class":3213},[3085,9018,3834],{"class":3200},[3085,9020,3345],{"class":3186},[3085,9022,3217],{"class":3200},[3085,9024,6009],{"class":3213},[3085,9026,3058],{"class":3200},[3085,9028,3559],{"class":3213},[3085,9030,3042],{"class":3200},[3085,9032,6009],{"class":3213},[3085,9034,3058],{"class":3200},[3085,9036,6046],{"class":3213},[3085,9038,6090],{"class":3200},[3085,9040,9041,9043,9045],{"class":3083,"line":3204},[3085,9042,4452],{"class":3200},[3085,9044,6097],{"class":3837},[3085,9046,4616],{"class":3200},[3021,9048],{},[2960,9050,9052],{"id":9051},"практичні-завдання","Практичні завдання",[3031,9054,9055,9097,9167],{},[3034,9056,9059,9074,9087],{"icon":9057,"title":9058},"i-lucide-brain","Рівень 1: Знайомство",[2965,9060,9061,9064,9065,9068,9069,2980,9071,9073],{},[2969,9062,9063],{},"Завдання 1.1"," — Відтворіть проєкт BookCatalog самостійно. Запустіть програму і перевірте, що створений файл ",[2977,9066,9067],{},"bookcatalog.db",". Відкрийте його через будь-який SQLite Browser (наприклад, DB Browser for SQLite) і переконайтесь, що таблиці ",[2977,9070,3831],{},[2977,9072,3332],{}," існують із правильною схемою.",[2965,9075,9076,9079,9080,9082,9083,9086],{},[2969,9077,9078],{},"Завдання 1.2"," — Додайте до ",[2977,9081,3983],{}," логування SQL через ",[2977,9084,9085],{},"LogTo(Console.WriteLine)",". Запустіть CRUD-демонстрацію і збережіть у текстовий файл весь SQL, що виводиться. Для кожного SQL-рядка напишіть 1–2 речення пояснення: яка C# операція його спричинила.",[2965,9088,9089,9092,9093,9096],{},[2969,9090,9091],{},"Завдання 1.3"," — Спробуйте не викликати ",[2977,9094,9095],{},"context.Database.EnsureCreated()"," перед першим запитом. Що відбудеться? Яке повідомлення про помилку ви отримаєте? Чому?",[3034,9098,9101,9132,9146],{"icon":9099,"title":9100},"i-lucide-bar-chart","Рівень 2: Досвід",[2965,9102,9103,9106,9107,9110,9111,3042,9113,3042,9115,3042,9118,9121,9122,5666,9125,9128,9129,9131],{},[2969,9104,9105],{},"Завдання 2.1"," — Розширте модель: додайте сутність ",[2977,9108,9109],{},"Publisher"," (видавець) з полями ",[2977,9112,3559],{},[2977,9114,5931],{},[2977,9116,9117],{},"Country",[2977,9119,9120],{},"FoundedYear",". Додайте зв'язок: одна книга належить одному видавцю (",[2977,9123,9124],{},"Book.PublisherId",[2977,9126,9127],{},"Publisher.Id","). Оновіть DbContext. Перевірте що ",[2977,9130,3010],{}," створює три таблиці.",[2965,9133,9134,9137,9138,9141,9142,9145],{},[2969,9135,9136],{},"Завдання 2.2"," — Напишіть метод ",[2977,9139,9140],{},"GetBooksByAuthor(int authorId)",", що повертає список книг конкретного автора, посортованих за роком (спочатку нові), з проєкцією ",[2977,9143,9144],{},"new { Title, Year, Price }",". Перевірте через логування, який SQL генерується.",[2965,9147,9148,9151,9152,9154,9155,9158,9159,9162,9163,9166],{},[2969,9149,9150],{},"Завдання 2.3"," — Дослідіть поведінку Change Tracker: після ",[2977,9153,5961],{}," виведіть стан через ",[2977,9156,9157],{},"context.Entry(book).State",". Змініть ",[2977,9160,9161],{},"book.Price",". Знову виведіть стан. Потім викличте ",[2977,9164,9165],{},"context.ChangeTracker.Entries()"," і виведіть список всіх відстежуваних об'єктів зі станами.",[3034,9168,9171,9177,9194,9197,9203,9221],{"icon":9169,"title":9170},"i-lucide-rocket","Рівень 3: Міні-проєкт",[2965,9172,9173,9176],{},[2969,9174,9175],{},"Завдання 3.1 — Міні-бібліотека:"," Реалізуйте консольний застосунок «Бібліотека» з наступним функціоналом:",[2993,9178,9179,9182,9185,9188,9191],{},[2996,9180,9181],{},"Додавання автора",[2996,9183,9184],{},"Додавання книги до автора",[2996,9186,9187],{},"Пошук книг за мінімальною ціною (параметр)",[2996,9189,9190],{},"Оновлення ціни книги за ISBN",[2996,9192,9193],{},"Видалення автора разом зі всіма його книгами (і перевірка, що Cascade Delete спрацьовує)",[2965,9195,9196],{},"Логування SQL має бути увімкнено. Для кожної операції підрахуйте, скільки SQL-запитів виконується.",[2965,9198,9199,9202],{},[2969,9200,9201],{},"Завдання 3.2 — Аналіз ефективності:"," Напишіть два варіанти методу, що повертає список авторів із кількістю їх книг:",[2993,9204,9205,9215],{},[2996,9206,9207,9208,9210,9211,9214],{},"Варіант A: завантажити всіх авторів через ",[2977,9209,6573],{},", потім ",[2977,9212,9213],{},"a.Books.Count"," в пам'яті",[2996,9216,9217,9218],{},"Варіант B: використати ",[2977,9219,9220],{},"Select(a => new { a.Name, BookCount = a.Books.Count })",[2965,9222,9223],{},"Порівняйте SQL, що генерується. Поясніть, чому Варіант B є кращим.",[3021,9225],{},[2960,9227,9229],{"id":9228},"підсумок","Підсумок",[3013,9231,9232,9237,9301],{},[2965,9233,9234],{},[2969,9235,9236],{},"Ключові думки цієї статті:",[2993,9238,9239,9246,9252,9257,9270,9277,9284,9294],{},[2996,9240,9241,9242,9245],{},"EF Core складається з ",[2969,9243,9244],{},"трьох основних пакетів",": ядро, провайдер БД, інструменти CLI",[2996,9247,9248,9251],{},[2969,9249,9250],{},"Сутності"," — це звичайні C#-класи (POCO). EF Core використовує конвенції для автоматичного визначення первинних ключів, зовнішніх ключів та обов'язковості полів через Nullable Reference Types",[2996,9253,9254,9256],{},[2969,9255,3041],{}," — серце EF Core, що реалізує Unit of Work і Data Mapper. Містить ChangeTracker, Database API і скомпільовану модель",[2996,9258,9259,9261,9262,9264,9265,3042,9267,9269],{},[2969,9260,3045],{}," — не колекція в пам'яті, а ",[2977,9263,4026],{},"-провайдер запитів. Дані завантажуються лише при матеріалізації (",[2977,9266,6097],{},[2977,9268,8099],{}," тощо)",[2996,9271,9272,9276],{},[2969,9273,9274],{},[2977,9275,3010],{}," підходить для навчання і прототипів, але несумісний з міграціями. Для реальних проєктів — Migrations",[2996,9278,9279,9283],{},[2969,9280,9281],{},[2977,9282,5627],{}," — єдина точка збереження. Виконує DetectChanges → SQL Generation → Batch Execution в одній транзакції",[2996,9285,9286,9289,9290,9293],{},[2969,9287,9288],{},"Логування SQL"," через ",[2977,9291,9292],{},"LogTo()"," є обов'язковим під час розробки. Завжди знайте, який SQL генерує ваш LINQ",[2996,9295,9296,9300],{},[2969,9297,9298],{},[2977,9299,8736],{}," для read-only запитів — менше overhead Change Tracker'а\n::",[2965,9302,9303,9304,9307],{},"Наступна стаття — ",[6368,9305,9306],{"href":472},"DbContext: Серце EF Core"," — детально розбирає внутрішню архітектуру DbContext: StateManager, ChangeTracker, QueryCompiler, lifecycle, потокобезпека та DbContextFactory.",[9309,9310,9311],"style",{},"html pre.shiki code .su1O8, html code.shiki .su1O8{--shiki-light:#0000FF;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki code .sN1BT, html code.shiki .sN1BT{--shiki-light:#267F99;--shiki-default:#4EC9B0;--shiki-dark:#4EC9B0}html pre.shiki code .sHH4Y, html code.shiki .sHH4Y{--shiki-light:#000000;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .siwwj, html code.shiki .siwwj{--shiki-light:#001080;--shiki-default:#9CDCFE;--shiki-dark:#9CDCFE}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .spJ8K, html code.shiki .spJ8K{--shiki-light:#008000;--shiki-default:#6A9955;--shiki-dark:#6A9955}html pre.shiki code .sCDza, html code.shiki .sCDza{--shiki-light:#AF00DB;--shiki-default:#CE92A4;--shiki-dark:#CE92A4}html pre.shiki code .s8Opu, html code.shiki .s8Opu{--shiki-light:#795E26;--shiki-default:#DCDCAA;--shiki-dark:#DCDCAA}html pre.shiki code .sbdoH, html code.shiki .sbdoH{--shiki-light:#A31515;--shiki-default:#CE9178;--shiki-dark:#CE9178}html pre.shiki code .sLwNe, html code.shiki .sLwNe{--shiki-light:#0451A5;--shiki-default:#9CDCFE;--shiki-dark:#9CDCFE}html pre.shiki code .sJj4R, html code.shiki .sJj4R{--shiki-light:#098658;--shiki-default:#B5CEA8;--shiki-dark:#B5CEA8}html pre.shiki code .sD7JJ, html code.shiki .sD7JJ{--shiki-light:#000000FF;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .sjcCO, html code.shiki .sjcCO{--shiki-light:#EE0000;--shiki-default:#D7BA7D;--shiki-dark:#D7BA7D}",{"title":3178,"searchDepth":3197,"depth":3197,"links":9313},[9314,9315,9316,9321,9326,9329,9330,9334,9335,9345,9350,9353,9356,9361,9362,9363,9364,9365],{"id":2962,"depth":3197,"text":2963},{"id":3025,"depth":3197,"text":3026},{"id":3162,"depth":3197,"text":3163,"children":9317},[9318,9319,9320],{"id":3552,"depth":3204,"text":3553},{"id":3588,"depth":3204,"text":3589},{"id":3639,"depth":3204,"text":3640},{"id":3751,"depth":3197,"text":3752,"children":9322},[9323,9324,9325],{"id":3938,"depth":3204,"text":3939},{"id":3987,"depth":3204,"text":3988},{"id":4061,"depth":3204,"text":4062},{"id":4086,"depth":3197,"text":4087,"children":9327},[9328],{"id":4152,"depth":3204,"text":4153},{"id":4269,"depth":3197,"text":4270},{"id":4583,"depth":3197,"text":4584,"children":9331},[9332,9333],{"id":4593,"depth":3204,"text":4594},{"id":4660,"depth":3204,"text":4661},{"id":4769,"depth":3197,"text":4770},{"id":5374,"depth":3197,"text":5375,"children":9336},[9337,9338,9339,9340,9341,9342,9343,9344],{"id":5600,"depth":3204,"text":5601},{"id":5642,"depth":3204,"text":5643},{"id":5652,"depth":3204,"text":5653},{"id":5659,"depth":3204,"text":5660},{"id":5672,"depth":3204,"text":5673},{"id":5679,"depth":3204,"text":5680},{"id":5697,"depth":3204,"text":5698},{"id":5721,"depth":3204,"text":5722},{"id":5807,"depth":3197,"text":5808,"children":9346},[9347,9348,9349],{"id":5814,"depth":3204,"text":5815},{"id":5968,"depth":3204,"text":5969},{"id":6327,"depth":3204,"text":6328},{"id":6600,"depth":3197,"text":6601,"children":9351},[9352],{"id":6852,"depth":3204,"text":6853},{"id":6968,"depth":3197,"text":6969,"children":9354},[9355],{"id":7128,"depth":3204,"text":7129},{"id":7271,"depth":3197,"text":7272,"children":9357},[9358,9359,9360],{"id":7278,"depth":3204,"text":7279},{"id":7417,"depth":3204,"text":7418},{"id":7481,"depth":3204,"text":7482},{"id":7561,"depth":3197,"text":7562},{"id":8576,"depth":3197,"text":8577},{"id":8811,"depth":3197,"text":8812},{"id":9051,"depth":3197,"text":9052},{"id":9228,"depth":3197,"text":9229},"Покрокове створення першого EF Core проєкту з нуля — встановлення пакетів, опис сутностей, конфігурація DbContext, рядок підключення, EnsureCreated та повний CRUD з анатомією кожної операції.","md",null,{},{"title":467,"description":9366},"R_YvlxTtiOyzMt8DTQ5UW11nzfy4NmEyV4Z7XqvbDgM",[9373,9375],{"title":463,"path":464,"stem":465,"description":9374,"children":-1},"Глибокий огляд проблеми Impedance Mismatch, концепції Object-Relational Mapping та ландшафту ORM-фреймворків у .NET — від теорії Мартіна Фаулера до практичного вибору між EF Core та Dapper.",{"title":471,"path":472,"stem":473,"description":9376,"children":-1},"Глибоке занурення у внутрішню архітектуру DbContext — StateManager, ChangeTracker, QueryCompiler, lifecycle, потокобезпека, DbContextFactory та пул контекстів. Розуміння «під капотом» для написання правильного коду.",1777912586741]