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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 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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 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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 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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 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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 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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 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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 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Читайте послідовно.",[2973,2974],"hr",{},[2976,2977,2979],"h2",{"id":2978},"effunctions-провайдерні-sql-функції","EF.Functions: провайдерні SQL-функції",[2963,2981,2982,2986,2987,2990],{},[2983,2984,2985],"code",{},"EF.Functions"," — спеціальний клас у EF Core, що надає доступ до SQL-функцій, які не мають прямого аналога у стандартному LINQ або C#. Ці методи не можна викликати поза LINQ-запитом (вони кидають ",[2983,2988,2989],{},"NotSupportedException",") — вони існують виключно для трансляції у SQL.",[2992,2993,2995],"h3",{"id":2994},"like-підстановочний-рядковий-пошук","Like: підстановочний рядковий пошук",[2997,2998,3003],"pre",{"className":2999,"code":3000,"language":3001,"meta":3002,"style":3002},"language-csharp shiki shiki-themes light-plus dark-plus dark-plus","// EF.Functions.Like транслюється у SQL LIKE\nvar products = await context.Products\n    .Where(p => EF.Functions.Like(p.Name, \"%laptop%\"))\n    .ToListAsync();\n// SQL: WHERE Name LIKE '%laptop%'\n\n// Різниця між Contains і Like:\n// p.Name.Contains(\"laptop\") → WHERE Name LIKE '%laptop%' (те саме для простого випадку)\n// Але EF.Functions.Like дає доступ до повного LIKE-синтаксису:\nvar products2 = await context.Products\n    .Where(p => EF.Functions.Like(p.Name, \"MacBook Pro%\")) // Тільки початок\n    .ToListAsync();\n// WHERE Name LIKE 'MacBook Pro%'\n","csharp","",[2983,3004,3005,3014,3041,3091,3102,3108,3115,3121,3127,3133,3151,3193,3202],{"__ignoreMap":3002},[3006,3007,3010],"span",{"class":3008,"line":3009},"line",1,[3006,3011,3013],{"class":3012},"spJ8K","// EF.Functions.Like транслюється у SQL LIKE\n",[3006,3015,3017,3021,3025,3029,3032,3035,3038],{"class":3008,"line":3016},2,[3006,3018,3020],{"class":3019},"su1O8","var",[3006,3022,3024],{"class":3023},"siwwj"," products",[3006,3026,3028],{"class":3027},"sHH4Y"," = ",[3006,3030,3031],{"class":3019},"await",[3006,3033,3034],{"class":3023}," context",[3006,3036,3037],{"class":3027},".",[3006,3039,3040],{"class":3023},"Products\n",[3006,3042,3044,3047,3051,3054,3056,3059,3062,3064,3067,3069,3072,3074,3076,3078,3081,3084,3088],{"class":3008,"line":3043},3,[3006,3045,3046],{"class":3027},"    .",[3006,3048,3050],{"class":3049},"s8Opu","Where",[3006,3052,3053],{"class":3027},"(",[3006,3055,2963],{"class":3023},[3006,3057,3058],{"class":3027}," => ",[3006,3060,3061],{"class":3023},"EF",[3006,3063,3037],{"class":3027},[3006,3065,3066],{"class":3023},"Functions",[3006,3068,3037],{"class":3027},[3006,3070,3071],{"class":3049},"Like",[3006,3073,3053],{"class":3027},[3006,3075,2963],{"class":3023},[3006,3077,3037],{"class":3027},[3006,3079,3080],{"class":3023},"Name",[3006,3082,3083],{"class":3027},", ",[3006,3085,3087],{"class":3086},"sbdoH","\"%laptop%\"",[3006,3089,3090],{"class":3027},"))\n",[3006,3092,3094,3096,3099],{"class":3008,"line":3093},4,[3006,3095,3046],{"class":3027},[3006,3097,3098],{"class":3049},"ToListAsync",[3006,3100,3101],{"class":3027},"();\n",[3006,3103,3105],{"class":3008,"line":3104},5,[3006,3106,3107],{"class":3012},"// SQL: WHERE Name LIKE '%laptop%'\n",[3006,3109,3111],{"class":3008,"line":3110},6,[3006,3112,3114],{"emptyLinePlaceholder":3113},true,"\n",[3006,3116,3118],{"class":3008,"line":3117},7,[3006,3119,3120],{"class":3012},"// Різниця між Contains і Like:\n",[3006,3122,3124],{"class":3008,"line":3123},8,[3006,3125,3126],{"class":3012},"// p.Name.Contains(\"laptop\") → WHERE Name LIKE '%laptop%' (те саме для простого випадку)\n",[3006,3128,3130],{"class":3008,"line":3129},9,[3006,3131,3132],{"class":3012},"// Але EF.Functions.Like дає доступ до повного LIKE-синтаксису:\n",[3006,3134,3136,3138,3141,3143,3145,3147,3149],{"class":3008,"line":3135},10,[3006,3137,3020],{"class":3019},[3006,3139,3140],{"class":3023}," products2",[3006,3142,3028],{"class":3027},[3006,3144,3031],{"class":3019},[3006,3146,3034],{"class":3023},[3006,3148,3037],{"class":3027},[3006,3150,3040],{"class":3023},[3006,3152,3154,3156,3158,3160,3162,3164,3166,3168,3170,3172,3174,3176,3178,3180,3182,3184,3187,3190],{"class":3008,"line":3153},11,[3006,3155,3046],{"class":3027},[3006,3157,3050],{"class":3049},[3006,3159,3053],{"class":3027},[3006,3161,2963],{"class":3023},[3006,3163,3058],{"class":3027},[3006,3165,3061],{"class":3023},[3006,3167,3037],{"class":3027},[3006,3169,3066],{"class":3023},[3006,3171,3037],{"class":3027},[3006,3173,3071],{"class":3049},[3006,3175,3053],{"class":3027},[3006,3177,2963],{"class":3023},[3006,3179,3037],{"class":3027},[3006,3181,3080],{"class":3023},[3006,3183,3083],{"class":3027},[3006,3185,3186],{"class":3086},"\"MacBook Pro%\"",[3006,3188,3189],{"class":3027},")) ",[3006,3191,3192],{"class":3012},"// Тільки початок\n",[3006,3194,3196,3198,3200],{"class":3008,"line":3195},12,[3006,3197,3046],{"class":3027},[3006,3199,3098],{"class":3049},[3006,3201,3101],{"class":3027},[3006,3203,3205],{"class":3008,"line":3204},13,[3006,3206,3207],{"class":3012},"// WHERE Name LIKE 'MacBook Pro%'\n",[2992,3209,3211],{"id":3210},"freetext-і-contains-sql-server-full-text-search","FreeText і Contains (SQL Server Full-Text Search)",[2997,3213,3215],{"className":2999,"code":3214,"language":3001,"meta":3002,"style":3002},"// SQL Server: Full-Text Search через EF.Functions\nvar fullTextResults = await context.Products\n    .Where(p => EF.Functions.FreeText(p.Description, \"wireless bluetooth audio\"))\n    .ToListAsync();\n// SQL: WHERE FREETEXT(Description, 'wireless bluetooth audio')\n\n// CONTAINS з префіксним пошуком\nvar containsResults = await context.Products\n    .Where(p => EF.Functions.Contains(p.Name, \"\\\"lapt*\\\"\"))\n    .ToListAsync();\n// SQL: WHERE CONTAINS(Name, '\"lapt*\"')\n",[2983,3216,3217,3222,3239,3278,3286,3291,3295,3300,3317,3366,3374],{"__ignoreMap":3002},[3006,3218,3219],{"class":3008,"line":3009},[3006,3220,3221],{"class":3012},"// SQL Server: Full-Text Search через EF.Functions\n",[3006,3223,3224,3226,3229,3231,3233,3235,3237],{"class":3008,"line":3016},[3006,3225,3020],{"class":3019},[3006,3227,3228],{"class":3023}," fullTextResults",[3006,3230,3028],{"class":3027},[3006,3232,3031],{"class":3019},[3006,3234,3034],{"class":3023},[3006,3236,3037],{"class":3027},[3006,3238,3040],{"class":3023},[3006,3240,3241,3243,3245,3247,3249,3251,3253,3255,3257,3259,3262,3264,3266,3268,3271,3273,3276],{"class":3008,"line":3043},[3006,3242,3046],{"class":3027},[3006,3244,3050],{"class":3049},[3006,3246,3053],{"class":3027},[3006,3248,2963],{"class":3023},[3006,3250,3058],{"class":3027},[3006,3252,3061],{"class":3023},[3006,3254,3037],{"class":3027},[3006,3256,3066],{"class":3023},[3006,3258,3037],{"class":3027},[3006,3260,3261],{"class":3049},"FreeText",[3006,3263,3053],{"class":3027},[3006,3265,2963],{"class":3023},[3006,3267,3037],{"class":3027},[3006,3269,3270],{"class":3023},"Description",[3006,3272,3083],{"class":3027},[3006,3274,3275],{"class":3086},"\"wireless bluetooth audio\"",[3006,3277,3090],{"class":3027},[3006,3279,3280,3282,3284],{"class":3008,"line":3093},[3006,3281,3046],{"class":3027},[3006,3283,3098],{"class":3049},[3006,3285,3101],{"class":3027},[3006,3287,3288],{"class":3008,"line":3104},[3006,3289,3290],{"class":3012},"// SQL: WHERE FREETEXT(Description, 'wireless bluetooth audio')\n",[3006,3292,3293],{"class":3008,"line":3110},[3006,3294,3114],{"emptyLinePlaceholder":3113},[3006,3296,3297],{"class":3008,"line":3117},[3006,3298,3299],{"class":3012},"// CONTAINS з префіксним пошуком\n",[3006,3301,3302,3304,3307,3309,3311,3313,3315],{"class":3008,"line":3123},[3006,3303,3020],{"class":3019},[3006,3305,3306],{"class":3023}," containsResults",[3006,3308,3028],{"class":3027},[3006,3310,3031],{"class":3019},[3006,3312,3034],{"class":3023},[3006,3314,3037],{"class":3027},[3006,3316,3040],{"class":3023},[3006,3318,3319,3321,3323,3325,3327,3329,3331,3333,3335,3337,3340,3342,3344,3346,3348,3350,3353,3357,3360,3362,3364],{"class":3008,"line":3129},[3006,3320,3046],{"class":3027},[3006,3322,3050],{"class":3049},[3006,3324,3053],{"class":3027},[3006,3326,2963],{"class":3023},[3006,3328,3058],{"class":3027},[3006,3330,3061],{"class":3023},[3006,3332,3037],{"class":3027},[3006,3334,3066],{"class":3023},[3006,3336,3037],{"class":3027},[3006,3338,3339],{"class":3049},"Contains",[3006,3341,3053],{"class":3027},[3006,3343,2963],{"class":3023},[3006,3345,3037],{"class":3027},[3006,3347,3080],{"class":3023},[3006,3349,3083],{"class":3027},[3006,3351,3352],{"class":3086},"\"",[3006,3354,3356],{"class":3355},"sjcCO","\\\"",[3006,3358,3359],{"class":3086},"lapt*",[3006,3361,3356],{"class":3355},[3006,3363,3352],{"class":3086},[3006,3365,3090],{"class":3027},[3006,3367,3368,3370,3372],{"class":3008,"line":3135},[3006,3369,3046],{"class":3027},[3006,3371,3098],{"class":3049},[3006,3373,3101],{"class":3027},[3006,3375,3376],{"class":3008,"line":3153},[3006,3377,3378],{"class":3012},"// SQL: WHERE CONTAINS(Name, '\"lapt*\"')\n",[2992,3380,3382],{"id":3381},"datediffday-datediffhour-sql-server","DateDiffDay, DateDiffHour (SQL Server)",[2997,3384,3386],{"className":2999,"code":3385,"language":3001,"meta":3002,"style":3002},"// Замовлення, зроблені за останні 7 днів\nvar recentOrders = await context.Orders\n    .Where(o => EF.Functions.DateDiffDay(o.PlacedAt, DateTime.UtcNow) \u003C= 7)\n    .ToListAsync();\n// SQL: WHERE DATEDIFF(day, PlacedAt, GETUTCDATE()) \u003C= 7\n\n// Порівняти дату без часу\nvar today = DateTime.UtcNow.Date;\nvar todayOrders = await context.Orders\n    .Where(o => EF.Functions.DateDiffDay(o.PlacedAt, today) == 0)\n    .OrderBy(o => o.PlacedAt)\n    .ToListAsync();\n// SQL: WHERE DATEDIFF(day, PlacedAt, @today) = 0\n",[2983,3387,3388,3393,3411,3464,3472,3477,3481,3486,3509,3526,3569,3590,3598],{"__ignoreMap":3002},[3006,3389,3390],{"class":3008,"line":3009},[3006,3391,3392],{"class":3012},"// Замовлення, зроблені за останні 7 днів\n",[3006,3394,3395,3397,3400,3402,3404,3406,3408],{"class":3008,"line":3016},[3006,3396,3020],{"class":3019},[3006,3398,3399],{"class":3023}," recentOrders",[3006,3401,3028],{"class":3027},[3006,3403,3031],{"class":3019},[3006,3405,3034],{"class":3023},[3006,3407,3037],{"class":3027},[3006,3409,3410],{"class":3023},"Orders\n",[3006,3412,3413,3415,3417,3419,3422,3424,3426,3428,3430,3432,3435,3437,3439,3441,3444,3446,3449,3451,3454,3457,3461],{"class":3008,"line":3043},[3006,3414,3046],{"class":3027},[3006,3416,3050],{"class":3049},[3006,3418,3053],{"class":3027},[3006,3420,3421],{"class":3023},"o",[3006,3423,3058],{"class":3027},[3006,3425,3061],{"class":3023},[3006,3427,3037],{"class":3027},[3006,3429,3066],{"class":3023},[3006,3431,3037],{"class":3027},[3006,3433,3434],{"class":3049},"DateDiffDay",[3006,3436,3053],{"class":3027},[3006,3438,3421],{"class":3023},[3006,3440,3037],{"class":3027},[3006,3442,3443],{"class":3023},"PlacedAt",[3006,3445,3083],{"class":3027},[3006,3447,3448],{"class":3023},"DateTime",[3006,3450,3037],{"class":3027},[3006,3452,3453],{"class":3023},"UtcNow",[3006,3455,3456],{"class":3027},") \u003C= ",[3006,3458,3460],{"class":3459},"sJj4R","7",[3006,3462,3463],{"class":3027},")\n",[3006,3465,3466,3468,3470],{"class":3008,"line":3093},[3006,3467,3046],{"class":3027},[3006,3469,3098],{"class":3049},[3006,3471,3101],{"class":3027},[3006,3473,3474],{"class":3008,"line":3104},[3006,3475,3476],{"class":3012},"// SQL: WHERE DATEDIFF(day, PlacedAt, GETUTCDATE()) \u003C= 7\n",[3006,3478,3479],{"class":3008,"line":3110},[3006,3480,3114],{"emptyLinePlaceholder":3113},[3006,3482,3483],{"class":3008,"line":3117},[3006,3484,3485],{"class":3012},"// Порівняти дату без часу\n",[3006,3487,3488,3490,3493,3495,3497,3499,3501,3503,3506],{"class":3008,"line":3123},[3006,3489,3020],{"class":3019},[3006,3491,3492],{"class":3023}," today",[3006,3494,3028],{"class":3027},[3006,3496,3448],{"class":3023},[3006,3498,3037],{"class":3027},[3006,3500,3453],{"class":3023},[3006,3502,3037],{"class":3027},[3006,3504,3505],{"class":3023},"Date",[3006,3507,3508],{"class":3027},";\n",[3006,3510,3511,3513,3516,3518,3520,3522,3524],{"class":3008,"line":3129},[3006,3512,3020],{"class":3019},[3006,3514,3515],{"class":3023}," todayOrders",[3006,3517,3028],{"class":3027},[3006,3519,3031],{"class":3019},[3006,3521,3034],{"class":3023},[3006,3523,3037],{"class":3027},[3006,3525,3410],{"class":3023},[3006,3527,3528,3530,3532,3534,3536,3538,3540,3542,3544,3546,3548,3550,3552,3554,3556,3558,3561,3564,3567],{"class":3008,"line":3135},[3006,3529,3046],{"class":3027},[3006,3531,3050],{"class":3049},[3006,3533,3053],{"class":3027},[3006,3535,3421],{"class":3023},[3006,3537,3058],{"class":3027},[3006,3539,3061],{"class":3023},[3006,3541,3037],{"class":3027},[3006,3543,3066],{"class":3023},[3006,3545,3037],{"class":3027},[3006,3547,3434],{"class":3049},[3006,3549,3053],{"class":3027},[3006,3551,3421],{"class":3023},[3006,3553,3037],{"class":3027},[3006,3555,3443],{"class":3023},[3006,3557,3083],{"class":3027},[3006,3559,3560],{"class":3023},"today",[3006,3562,3563],{"class":3027},") == ",[3006,3565,3566],{"class":3459},"0",[3006,3568,3463],{"class":3027},[3006,3570,3571,3573,3576,3578,3580,3582,3584,3586,3588],{"class":3008,"line":3153},[3006,3572,3046],{"class":3027},[3006,3574,3575],{"class":3049},"OrderBy",[3006,3577,3053],{"class":3027},[3006,3579,3421],{"class":3023},[3006,3581,3058],{"class":3027},[3006,3583,3421],{"class":3023},[3006,3585,3037],{"class":3027},[3006,3587,3443],{"class":3023},[3006,3589,3463],{"class":3027},[3006,3591,3592,3594,3596],{"class":3008,"line":3195},[3006,3593,3046],{"class":3027},[3006,3595,3098],{"class":3049},[3006,3597,3101],{"class":3027},[3006,3599,3600],{"class":3008,"line":3204},[3006,3601,3602],{"class":3012},"// SQL: WHERE DATEDIFF(day, PlacedAt, @today) = 0\n",[2992,3604,3606],{"id":3605},"ilike-postgresql-case-insensitive-like","ILike (PostgreSQL case-insensitive Like)",[2997,3608,3610],{"className":2999,"code":3609,"language":3001,"meta":3002,"style":3002},"// PostgreSQL: ILike — case-insensitive LIKE\n// (Npgsql провайдер)\nvar products = await context.Products\n    .Where(p => EF.Functions.ILike(p.Name, \"%maC%\"))\n    .ToListAsync();\n// SQL (PostgreSQL): WHERE Name ILIKE '%maC%'\n// Знайде: Mac, mac, MAC, maC — без урахування регістру\n",[2983,3611,3612,3617,3622,3638,3676,3684,3689],{"__ignoreMap":3002},[3006,3613,3614],{"class":3008,"line":3009},[3006,3615,3616],{"class":3012},"// PostgreSQL: ILike — case-insensitive LIKE\n",[3006,3618,3619],{"class":3008,"line":3016},[3006,3620,3621],{"class":3012},"// (Npgsql провайдер)\n",[3006,3623,3624,3626,3628,3630,3632,3634,3636],{"class":3008,"line":3043},[3006,3625,3020],{"class":3019},[3006,3627,3024],{"class":3023},[3006,3629,3028],{"class":3027},[3006,3631,3031],{"class":3019},[3006,3633,3034],{"class":3023},[3006,3635,3037],{"class":3027},[3006,3637,3040],{"class":3023},[3006,3639,3640,3642,3644,3646,3648,3650,3652,3654,3656,3658,3661,3663,3665,3667,3669,3671,3674],{"class":3008,"line":3093},[3006,3641,3046],{"class":3027},[3006,3643,3050],{"class":3049},[3006,3645,3053],{"class":3027},[3006,3647,2963],{"class":3023},[3006,3649,3058],{"class":3027},[3006,3651,3061],{"class":3023},[3006,3653,3037],{"class":3027},[3006,3655,3066],{"class":3023},[3006,3657,3037],{"class":3027},[3006,3659,3660],{"class":3049},"ILike",[3006,3662,3053],{"class":3027},[3006,3664,2963],{"class":3023},[3006,3666,3037],{"class":3027},[3006,3668,3080],{"class":3023},[3006,3670,3083],{"class":3027},[3006,3672,3673],{"class":3086},"\"%maC%\"",[3006,3675,3090],{"class":3027},[3006,3677,3678,3680,3682],{"class":3008,"line":3104},[3006,3679,3046],{"class":3027},[3006,3681,3098],{"class":3049},[3006,3683,3101],{"class":3027},[3006,3685,3686],{"class":3008,"line":3110},[3006,3687,3688],{"class":3012},"// SQL (PostgreSQL): WHERE Name ILIKE '%maC%'\n",[3006,3690,3691],{"class":3008,"line":3117},[3006,3692,3693],{"class":3012},"// Знайде: Mac, mac, MAC, maC — без урахування регістру\n",[2992,3695,3697],{"id":3696},"attimezone-sql-server-2016","AtTimeZone (SQL Server 2016+)",[2997,3699,3701],{"className":2999,"code":3700,"language":3001,"meta":3002,"style":3002},"// Конвертація UTC у локальний час у запиті\nvar kyivOrders = await context.Orders\n    .Select(o => new\n    {\n        o.Id,\n        o.OrderNumber,\n        // UTC → Kyiv time у SQL\n        PlacedAtLocal = EF.Functions.AtTimeZone(o.PlacedAt, \"FLE Standard Time\")\n    })\n    .ToListAsync();\n// SQL: SELECT Id, OrderNumber, PlacedAt AT TIME ZONE 'UTC' AT TIME ZONE 'FLE Standard Time'\n",[2983,3702,3703,3708,3725,3741,3746,3759,3770,3775,3808,3813,3821],{"__ignoreMap":3002},[3006,3704,3705],{"class":3008,"line":3009},[3006,3706,3707],{"class":3012},"// Конвертація UTC у локальний час у запиті\n",[3006,3709,3710,3712,3715,3717,3719,3721,3723],{"class":3008,"line":3016},[3006,3711,3020],{"class":3019},[3006,3713,3714],{"class":3023}," kyivOrders",[3006,3716,3028],{"class":3027},[3006,3718,3031],{"class":3019},[3006,3720,3034],{"class":3023},[3006,3722,3037],{"class":3027},[3006,3724,3410],{"class":3023},[3006,3726,3727,3729,3732,3734,3736,3738],{"class":3008,"line":3043},[3006,3728,3046],{"class":3027},[3006,3730,3731],{"class":3049},"Select",[3006,3733,3053],{"class":3027},[3006,3735,3421],{"class":3023},[3006,3737,3058],{"class":3027},[3006,3739,3740],{"class":3019},"new\n",[3006,3742,3743],{"class":3008,"line":3093},[3006,3744,3745],{"class":3027},"    {\n",[3006,3747,3748,3751,3753,3756],{"class":3008,"line":3104},[3006,3749,3750],{"class":3023},"        o",[3006,3752,3037],{"class":3027},[3006,3754,3755],{"class":3023},"Id",[3006,3757,3758],{"class":3027},",\n",[3006,3760,3761,3763,3765,3768],{"class":3008,"line":3110},[3006,3762,3750],{"class":3023},[3006,3764,3037],{"class":3027},[3006,3766,3767],{"class":3023},"OrderNumber",[3006,3769,3758],{"class":3027},[3006,3771,3772],{"class":3008,"line":3117},[3006,3773,3774],{"class":3012},"        // UTC → Kyiv time у SQL\n",[3006,3776,3777,3780,3782,3784,3786,3788,3790,3793,3795,3797,3799,3801,3803,3806],{"class":3008,"line":3123},[3006,3778,3779],{"class":3023},"        PlacedAtLocal",[3006,3781,3028],{"class":3027},[3006,3783,3061],{"class":3023},[3006,3785,3037],{"class":3027},[3006,3787,3066],{"class":3023},[3006,3789,3037],{"class":3027},[3006,3791,3792],{"class":3049},"AtTimeZone",[3006,3794,3053],{"class":3027},[3006,3796,3421],{"class":3023},[3006,3798,3037],{"class":3027},[3006,3800,3443],{"class":3023},[3006,3802,3083],{"class":3027},[3006,3804,3805],{"class":3086},"\"FLE Standard Time\"",[3006,3807,3463],{"class":3027},[3006,3809,3810],{"class":3008,"line":3129},[3006,3811,3812],{"class":3027},"    })\n",[3006,3814,3815,3817,3819],{"class":3008,"line":3135},[3006,3816,3046],{"class":3027},[3006,3818,3098],{"class":3049},[3006,3820,3101],{"class":3027},[3006,3822,3823],{"class":3008,"line":3153},[3006,3824,3825],{"class":3012},"// SQL: SELECT Id, OrderNumber, PlacedAt AT TIME ZONE 'UTC' AT TIME ZONE 'FLE Standard Time'\n",[2973,3827],{},[2976,3829,3831],{"id":3830},"складні-join-явні-і-навігаційні","Складні JOIN: явні і навігаційні",[2963,3833,3834,3835,3838],{},"EF Core підтримує JOIN через навігаційні властивості (неявний JOIN) і через явний LINQ ",[2983,3836,3837],{},"join"," оператор.",[2992,3840,3842],{"id":3841},"неявний-join-через-навігаційні-властивості-рекомендований","Неявний JOIN через навігаційні властивості (рекомендований)",[2997,3844,3846],{"className":2999,"code":3845,"language":3001,"meta":3002,"style":3002},"// Неявний: EF Core розуміє зв'язки і сам додає JOIN\nvar products = await context.Products\n    .Where(p => p.Category.Name == \"Electronics\")\n    .Select(p => new { p.Name, p.Price, CategoryName = p.Category.Name })\n    .ToListAsync();\n// SQL: SELECT p.Name, p.Price, c.Name\n//      FROM Products p\n//      LEFT JOIN Categories c ON c.Id = p.CategoryId\n//      WHERE c.Name = 'Electronics'\n",[2983,3847,3848,3853,3869,3900,3953,3961,3966,3971,3976],{"__ignoreMap":3002},[3006,3849,3850],{"class":3008,"line":3009},[3006,3851,3852],{"class":3012},"// Неявний: EF Core розуміє зв'язки і сам додає JOIN\n",[3006,3854,3855,3857,3859,3861,3863,3865,3867],{"class":3008,"line":3016},[3006,3856,3020],{"class":3019},[3006,3858,3024],{"class":3023},[3006,3860,3028],{"class":3027},[3006,3862,3031],{"class":3019},[3006,3864,3034],{"class":3023},[3006,3866,3037],{"class":3027},[3006,3868,3040],{"class":3023},[3006,3870,3871,3873,3875,3877,3879,3881,3883,3885,3888,3890,3892,3895,3898],{"class":3008,"line":3043},[3006,3872,3046],{"class":3027},[3006,3874,3050],{"class":3049},[3006,3876,3053],{"class":3027},[3006,3878,2963],{"class":3023},[3006,3880,3058],{"class":3027},[3006,3882,2963],{"class":3023},[3006,3884,3037],{"class":3027},[3006,3886,3887],{"class":3023},"Category",[3006,3889,3037],{"class":3027},[3006,3891,3080],{"class":3023},[3006,3893,3894],{"class":3027}," == ",[3006,3896,3897],{"class":3086},"\"Electronics\"",[3006,3899,3463],{"class":3027},[3006,3901,3902,3904,3906,3908,3910,3912,3915,3918,3920,3922,3924,3926,3928,3930,3933,3935,3938,3940,3942,3944,3946,3948,3950],{"class":3008,"line":3093},[3006,3903,3046],{"class":3027},[3006,3905,3731],{"class":3049},[3006,3907,3053],{"class":3027},[3006,3909,2963],{"class":3023},[3006,3911,3058],{"class":3027},[3006,3913,3914],{"class":3019},"new",[3006,3916,3917],{"class":3027}," { ",[3006,3919,2963],{"class":3023},[3006,3921,3037],{"class":3027},[3006,3923,3080],{"class":3023},[3006,3925,3083],{"class":3027},[3006,3927,2963],{"class":3023},[3006,3929,3037],{"class":3027},[3006,3931,3932],{"class":3023},"Price",[3006,3934,3083],{"class":3027},[3006,3936,3937],{"class":3023},"CategoryName",[3006,3939,3028],{"class":3027},[3006,3941,2963],{"class":3023},[3006,3943,3037],{"class":3027},[3006,3945,3887],{"class":3023},[3006,3947,3037],{"class":3027},[3006,3949,3080],{"class":3023},[3006,3951,3952],{"class":3027}," })\n",[3006,3954,3955,3957,3959],{"class":3008,"line":3104},[3006,3956,3046],{"class":3027},[3006,3958,3098],{"class":3049},[3006,3960,3101],{"class":3027},[3006,3962,3963],{"class":3008,"line":3110},[3006,3964,3965],{"class":3012},"// SQL: SELECT p.Name, p.Price, c.Name\n",[3006,3967,3968],{"class":3008,"line":3117},[3006,3969,3970],{"class":3012},"//      FROM Products p\n",[3006,3972,3973],{"class":3008,"line":3123},[3006,3974,3975],{"class":3012},"//      LEFT JOIN Categories c ON c.Id = p.CategoryId\n",[3006,3977,3978],{"class":3008,"line":3129},[3006,3979,3980],{"class":3012},"//      WHERE c.Name = 'Electronics'\n",[2992,3982,3984],{"id":3983},"явний-linq-join","Явний LINQ Join",[2997,3986,3988],{"className":2999,"code":3987,"language":3001,"meta":3002,"style":3002},"// Явний join: потрібний коли немає навігаційних властивостей\n// або для cross-entity запитів\nvar productOrders = await context.Orders\n    .Join(\n        context.Customers,\n        order    => order.CustomerId,\n        customer => customer.Id,\n        (order, customer) => new\n        {\n            order.OrderNumber,\n            order.TotalAmount,\n            CustomerName = customer.FullName,\n            CustomerEmail = customer.Email\n        }\n    )\n    .Where(x => x.TotalAmount > 5000)\n    .ToListAsync();\n// SQL: SELECT o.OrderNumber, o.TotalAmount, c.FullName, c.Email\n//      FROM Orders o JOIN Customers c ON c.Id = o.CustomerId\n//      WHERE o.TotalAmount > 5000\n",[2983,3989,3990,3995,4000,4017,4027,4039,4057,4073,4089,4094,4105,4116,4132,4146,4152,4158,4186,4195,4201,4207],{"__ignoreMap":3002},[3006,3991,3992],{"class":3008,"line":3009},[3006,3993,3994],{"class":3012},"// Явний join: потрібний коли немає навігаційних властивостей\n",[3006,3996,3997],{"class":3008,"line":3016},[3006,3998,3999],{"class":3012},"// або для cross-entity запитів\n",[3006,4001,4002,4004,4007,4009,4011,4013,4015],{"class":3008,"line":3043},[3006,4003,3020],{"class":3019},[3006,4005,4006],{"class":3023}," productOrders",[3006,4008,3028],{"class":3027},[3006,4010,3031],{"class":3019},[3006,4012,3034],{"class":3023},[3006,4014,3037],{"class":3027},[3006,4016,3410],{"class":3023},[3006,4018,4019,4021,4024],{"class":3008,"line":3093},[3006,4020,3046],{"class":3027},[3006,4022,4023],{"class":3049},"Join",[3006,4025,4026],{"class":3027},"(\n",[3006,4028,4029,4032,4034,4037],{"class":3008,"line":3104},[3006,4030,4031],{"class":3023},"        context",[3006,4033,3037],{"class":3027},[3006,4035,4036],{"class":3023},"Customers",[3006,4038,3758],{"class":3027},[3006,4040,4041,4044,4047,4050,4052,4055],{"class":3008,"line":3110},[3006,4042,4043],{"class":3023},"        order",[3006,4045,4046],{"class":3027},"    => ",[3006,4048,4049],{"class":3023},"order",[3006,4051,3037],{"class":3027},[3006,4053,4054],{"class":3023},"CustomerId",[3006,4056,3758],{"class":3027},[3006,4058,4059,4062,4064,4067,4069,4071],{"class":3008,"line":3117},[3006,4060,4061],{"class":3023},"        customer",[3006,4063,3058],{"class":3027},[3006,4065,4066],{"class":3023},"customer",[3006,4068,3037],{"class":3027},[3006,4070,3755],{"class":3023},[3006,4072,3758],{"class":3027},[3006,4074,4075,4078,4080,4082,4084,4087],{"class":3008,"line":3123},[3006,4076,4077],{"class":3027},"        (",[3006,4079,4049],{"class":3023},[3006,4081,3083],{"class":3027},[3006,4083,4066],{"class":3023},[3006,4085,4086],{"class":3027},") => ",[3006,4088,3740],{"class":3019},[3006,4090,4091],{"class":3008,"line":3129},[3006,4092,4093],{"class":3027},"        {\n",[3006,4095,4096,4099,4101,4103],{"class":3008,"line":3135},[3006,4097,4098],{"class":3023},"            order",[3006,4100,3037],{"class":3027},[3006,4102,3767],{"class":3023},[3006,4104,3758],{"class":3027},[3006,4106,4107,4109,4111,4114],{"class":3008,"line":3153},[3006,4108,4098],{"class":3023},[3006,4110,3037],{"class":3027},[3006,4112,4113],{"class":3023},"TotalAmount",[3006,4115,3758],{"class":3027},[3006,4117,4118,4121,4123,4125,4127,4130],{"class":3008,"line":3195},[3006,4119,4120],{"class":3023},"            CustomerName",[3006,4122,3028],{"class":3027},[3006,4124,4066],{"class":3023},[3006,4126,3037],{"class":3027},[3006,4128,4129],{"class":3023},"FullName",[3006,4131,3758],{"class":3027},[3006,4133,4134,4137,4139,4141,4143],{"class":3008,"line":3204},[3006,4135,4136],{"class":3023},"            CustomerEmail",[3006,4138,3028],{"class":3027},[3006,4140,4066],{"class":3023},[3006,4142,3037],{"class":3027},[3006,4144,4145],{"class":3023},"Email\n",[3006,4147,4149],{"class":3008,"line":4148},14,[3006,4150,4151],{"class":3027},"        }\n",[3006,4153,4155],{"class":3008,"line":4154},15,[3006,4156,4157],{"class":3027},"    )\n",[3006,4159,4161,4163,4165,4167,4170,4172,4174,4176,4178,4181,4184],{"class":3008,"line":4160},16,[3006,4162,3046],{"class":3027},[3006,4164,3050],{"class":3049},[3006,4166,3053],{"class":3027},[3006,4168,4169],{"class":3023},"x",[3006,4171,3058],{"class":3027},[3006,4173,4169],{"class":3023},[3006,4175,3037],{"class":3027},[3006,4177,4113],{"class":3023},[3006,4179,4180],{"class":3027}," > ",[3006,4182,4183],{"class":3459},"5000",[3006,4185,3463],{"class":3027},[3006,4187,4189,4191,4193],{"class":3008,"line":4188},17,[3006,4190,3046],{"class":3027},[3006,4192,3098],{"class":3049},[3006,4194,3101],{"class":3027},[3006,4196,4198],{"class":3008,"line":4197},18,[3006,4199,4200],{"class":3012},"// SQL: SELECT o.OrderNumber, o.TotalAmount, c.FullName, c.Email\n",[3006,4202,4204],{"class":3008,"line":4203},19,[3006,4205,4206],{"class":3012},"//      FROM Orders o JOIN Customers c ON c.Id = o.CustomerId\n",[3006,4208,4210],{"class":3008,"line":4209},20,[3006,4211,4212],{"class":3012},"//      WHERE o.TotalAmount > 5000\n",[2992,4214,4216],{"id":4215},"left-join-groupjoin-selectmany","Left Join (GroupJoin + SelectMany)",[2963,4218,4219,4220,4222,4223,4226,4227,4230,4231,4234,4235,4238],{},"Стандартний LINQ ",[2983,4221,3837],{}," робить ",[2983,4224,4225],{},"INNER JOIN",". Для ",[2983,4228,4229],{},"LEFT JOIN"," потрібен ",[2983,4232,4233],{},"GroupJoin"," + ",[2983,4236,4237],{},"SelectMany"," або навігаційні властивості:",[2997,4240,4242],{"className":2999,"code":4241,"language":3001,"meta":3002,"style":3002},"// LEFT JOIN через GroupJoin + SelectMany\nvar categoriesWithOpt = await context.Categories\n    .GroupJoin(\n        context.Products.Where(p => p.IsActive),\n        cat     => cat.Id,\n        product => product.CategoryId,\n        (cat, products) => new { cat, products }\n    )\n    .SelectMany(\n        x => x.products.DefaultIfEmpty(), // DefaultIfEmpty → LEFT JOIN\n        (x, product) => new\n        {\n            CategoryName = x.cat.Name,\n            ProductName  = product == null ? \"Немає продуктів\" : product.Name,\n            Price        = product == null ? (decimal?)null : product.Price\n        }\n    )\n    .ToListAsync();\n// SQL: SELECT c.Name, p.Name, p.Price\n//      FROM Categories c\n//      LEFT JOIN Products p ON p.CategoryId = c.Id AND p.IsActive = 1\n",[2983,4243,4244,4249,4267,4275,4304,4321,4338,4364,4368,4376,4400,4414,4418,4437,4469,4503,4507,4511,4519,4524,4529],{"__ignoreMap":3002},[3006,4245,4246],{"class":3008,"line":3009},[3006,4247,4248],{"class":3012},"// LEFT JOIN через GroupJoin + SelectMany\n",[3006,4250,4251,4253,4256,4258,4260,4262,4264],{"class":3008,"line":3016},[3006,4252,3020],{"class":3019},[3006,4254,4255],{"class":3023}," categoriesWithOpt",[3006,4257,3028],{"class":3027},[3006,4259,3031],{"class":3019},[3006,4261,3034],{"class":3023},[3006,4263,3037],{"class":3027},[3006,4265,4266],{"class":3023},"Categories\n",[3006,4268,4269,4271,4273],{"class":3008,"line":3043},[3006,4270,3046],{"class":3027},[3006,4272,4233],{"class":3049},[3006,4274,4026],{"class":3027},[3006,4276,4277,4279,4281,4284,4286,4288,4290,4292,4294,4296,4298,4301],{"class":3008,"line":3093},[3006,4278,4031],{"class":3023},[3006,4280,3037],{"class":3027},[3006,4282,4283],{"class":3023},"Products",[3006,4285,3037],{"class":3027},[3006,4287,3050],{"class":3049},[3006,4289,3053],{"class":3027},[3006,4291,2963],{"class":3023},[3006,4293,3058],{"class":3027},[3006,4295,2963],{"class":3023},[3006,4297,3037],{"class":3027},[3006,4299,4300],{"class":3023},"IsActive",[3006,4302,4303],{"class":3027},"),\n",[3006,4305,4306,4309,4312,4315,4317,4319],{"class":3008,"line":3104},[3006,4307,4308],{"class":3023},"        cat",[3006,4310,4311],{"class":3027},"     => ",[3006,4313,4314],{"class":3023},"cat",[3006,4316,3037],{"class":3027},[3006,4318,3755],{"class":3023},[3006,4320,3758],{"class":3027},[3006,4322,4323,4326,4328,4331,4333,4336],{"class":3008,"line":3110},[3006,4324,4325],{"class":3023},"        product",[3006,4327,3058],{"class":3027},[3006,4329,4330],{"class":3023},"product",[3006,4332,3037],{"class":3027},[3006,4334,4335],{"class":3023},"CategoryId",[3006,4337,3758],{"class":3027},[3006,4339,4340,4342,4344,4346,4349,4351,4353,4355,4357,4359,4361],{"class":3008,"line":3117},[3006,4341,4077],{"class":3027},[3006,4343,4314],{"class":3023},[3006,4345,3083],{"class":3027},[3006,4347,4348],{"class":3023},"products",[3006,4350,4086],{"class":3027},[3006,4352,3914],{"class":3019},[3006,4354,3917],{"class":3027},[3006,4356,4314],{"class":3023},[3006,4358,3083],{"class":3027},[3006,4360,4348],{"class":3023},[3006,4362,4363],{"class":3027}," }\n",[3006,4365,4366],{"class":3008,"line":3123},[3006,4367,4157],{"class":3027},[3006,4369,4370,4372,4374],{"class":3008,"line":3129},[3006,4371,3046],{"class":3027},[3006,4373,4237],{"class":3049},[3006,4375,4026],{"class":3027},[3006,4377,4378,4381,4383,4385,4387,4389,4391,4394,4397],{"class":3008,"line":3135},[3006,4379,4380],{"class":3023},"        x",[3006,4382,3058],{"class":3027},[3006,4384,4169],{"class":3023},[3006,4386,3037],{"class":3027},[3006,4388,4348],{"class":3023},[3006,4390,3037],{"class":3027},[3006,4392,4393],{"class":3049},"DefaultIfEmpty",[3006,4395,4396],{"class":3027},"(), ",[3006,4398,4399],{"class":3012},"// DefaultIfEmpty → LEFT JOIN\n",[3006,4401,4402,4404,4406,4408,4410,4412],{"class":3008,"line":3153},[3006,4403,4077],{"class":3027},[3006,4405,4169],{"class":3023},[3006,4407,3083],{"class":3027},[3006,4409,4330],{"class":3023},[3006,4411,4086],{"class":3027},[3006,4413,3740],{"class":3019},[3006,4415,4416],{"class":3008,"line":3195},[3006,4417,4093],{"class":3027},[3006,4419,4420,4423,4425,4427,4429,4431,4433,4435],{"class":3008,"line":3204},[3006,4421,4422],{"class":3023},"            CategoryName",[3006,4424,3028],{"class":3027},[3006,4426,4169],{"class":3023},[3006,4428,3037],{"class":3027},[3006,4430,4314],{"class":3023},[3006,4432,3037],{"class":3027},[3006,4434,3080],{"class":3023},[3006,4436,3758],{"class":3027},[3006,4438,4439,4442,4445,4447,4449,4452,4455,4458,4461,4463,4465,4467],{"class":3008,"line":4148},[3006,4440,4441],{"class":3023},"            ProductName",[3006,4443,4444],{"class":3027},"  = ",[3006,4446,4330],{"class":3023},[3006,4448,3894],{"class":3027},[3006,4450,4451],{"class":3019},"null",[3006,4453,4454],{"class":3027}," ? ",[3006,4456,4457],{"class":3086},"\"Немає продуктів\"",[3006,4459,4460],{"class":3027}," : ",[3006,4462,4330],{"class":3023},[3006,4464,3037],{"class":3027},[3006,4466,3080],{"class":3023},[3006,4468,3758],{"class":3027},[3006,4470,4471,4474,4477,4479,4481,4483,4486,4489,4492,4494,4496,4498,4500],{"class":3008,"line":4154},[3006,4472,4473],{"class":3023},"            Price",[3006,4475,4476],{"class":3027},"        = ",[3006,4478,4330],{"class":3023},[3006,4480,3894],{"class":3027},[3006,4482,4451],{"class":3019},[3006,4484,4485],{"class":3027}," ? (",[3006,4487,4488],{"class":3019},"decimal",[3006,4490,4491],{"class":3027},"?)",[3006,4493,4451],{"class":3019},[3006,4495,4460],{"class":3027},[3006,4497,4330],{"class":3023},[3006,4499,3037],{"class":3027},[3006,4501,4502],{"class":3023},"Price\n",[3006,4504,4505],{"class":3008,"line":4160},[3006,4506,4151],{"class":3027},[3006,4508,4509],{"class":3008,"line":4188},[3006,4510,4157],{"class":3027},[3006,4512,4513,4515,4517],{"class":3008,"line":4197},[3006,4514,3046],{"class":3027},[3006,4516,3098],{"class":3049},[3006,4518,3101],{"class":3027},[3006,4520,4521],{"class":3008,"line":4203},[3006,4522,4523],{"class":3012},"// SQL: SELECT c.Name, p.Name, p.Price\n",[3006,4525,4526],{"class":3008,"line":4209},[3006,4527,4528],{"class":3012},"//      FROM Categories c\n",[3006,4530,4532],{"class":3008,"line":4531},21,[3006,4533,4534],{"class":3012},"//      LEFT JOIN Products p ON p.CategoryId = c.Id AND p.IsActive = 1\n",[4536,4537,4538,4542,4543,4546,4547,4234,4549,4551],"tip",{},[4539,4540,4541],"strong",{},"Практична рекомендація",": У більшості випадків LEFT JOIN ефективніше виражається через навігаційні властивості у Select-проєкції або через ",[2983,4544,4545],{},"Include",". Явний ",[2983,4548,4233],{},[2983,4550,4237],{}," зарезервовано для нестандартних JOIN-умов.",[2992,4553,4555],{"id":4554},"кілька-join-через-ланцюг-навігацій","Кілька JOIN через ланцюг навігацій",[2997,4557,4559],{"className":2999,"code":4558,"language":3001,"meta":3002,"style":3002},"// Три таблиці: OrderItems → Products → Categories\nvar itemDetails = await context.OrderItems\n    .Where(oi => oi.Order.CustomerId == customerId)\n    .Select(oi => new\n    {\n        oi.Quantity,\n        oi.UnitPrice,\n        ProductName  = oi.Product.Name,          // JOIN Products\n        CategoryName = oi.Product.Category.Name,  // JOIN Categories\n        OrderNumber  = oi.Order.OrderNumber       // JOIN Orders\n    })\n    .ToListAsync();\n// SQL: SELECT oi.Quantity, oi.UnitPrice, p.Name, c.Name, o.OrderNumber\n//      FROM OrderItems oi\n//      JOIN Orders o ON o.Id = oi.OrderId\n//      JOIN Products p ON p.Id = oi.ProductId\n//      JOIN Categories c ON c.Id = p.CategoryId\n//      WHERE o.CustomerId = @customerId\n",[2983,4560,4561,4566,4584,4615,4629,4633,4645,4656,4680,4707,4727,4731,4739,4744,4749,4754,4759,4764],{"__ignoreMap":3002},[3006,4562,4563],{"class":3008,"line":3009},[3006,4564,4565],{"class":3012},"// Три таблиці: OrderItems → Products → Categories\n",[3006,4567,4568,4570,4573,4575,4577,4579,4581],{"class":3008,"line":3016},[3006,4569,3020],{"class":3019},[3006,4571,4572],{"class":3023}," itemDetails",[3006,4574,3028],{"class":3027},[3006,4576,3031],{"class":3019},[3006,4578,3034],{"class":3023},[3006,4580,3037],{"class":3027},[3006,4582,4583],{"class":3023},"OrderItems\n",[3006,4585,4586,4588,4590,4592,4595,4597,4599,4601,4604,4606,4608,4610,4613],{"class":3008,"line":3043},[3006,4587,3046],{"class":3027},[3006,4589,3050],{"class":3049},[3006,4591,3053],{"class":3027},[3006,4593,4594],{"class":3023},"oi",[3006,4596,3058],{"class":3027},[3006,4598,4594],{"class":3023},[3006,4600,3037],{"class":3027},[3006,4602,4603],{"class":3023},"Order",[3006,4605,3037],{"class":3027},[3006,4607,4054],{"class":3023},[3006,4609,3894],{"class":3027},[3006,4611,4612],{"class":3023},"customerId",[3006,4614,3463],{"class":3027},[3006,4616,4617,4619,4621,4623,4625,4627],{"class":3008,"line":3093},[3006,4618,3046],{"class":3027},[3006,4620,3731],{"class":3049},[3006,4622,3053],{"class":3027},[3006,4624,4594],{"class":3023},[3006,4626,3058],{"class":3027},[3006,4628,3740],{"class":3019},[3006,4630,4631],{"class":3008,"line":3104},[3006,4632,3745],{"class":3027},[3006,4634,4635,4638,4640,4643],{"class":3008,"line":3110},[3006,4636,4637],{"class":3023},"        oi",[3006,4639,3037],{"class":3027},[3006,4641,4642],{"class":3023},"Quantity",[3006,4644,3758],{"class":3027},[3006,4646,4647,4649,4651,4654],{"class":3008,"line":3117},[3006,4648,4637],{"class":3023},[3006,4650,3037],{"class":3027},[3006,4652,4653],{"class":3023},"UnitPrice",[3006,4655,3758],{"class":3027},[3006,4657,4658,4661,4663,4665,4667,4670,4672,4674,4677],{"class":3008,"line":3123},[3006,4659,4660],{"class":3023},"        ProductName",[3006,4662,4444],{"class":3027},[3006,4664,4594],{"class":3023},[3006,4666,3037],{"class":3027},[3006,4668,4669],{"class":3023},"Product",[3006,4671,3037],{"class":3027},[3006,4673,3080],{"class":3023},[3006,4675,4676],{"class":3027},",          ",[3006,4678,4679],{"class":3012},"// JOIN Products\n",[3006,4681,4682,4685,4687,4689,4691,4693,4695,4697,4699,4701,4704],{"class":3008,"line":3129},[3006,4683,4684],{"class":3023},"        CategoryName",[3006,4686,3028],{"class":3027},[3006,4688,4594],{"class":3023},[3006,4690,3037],{"class":3027},[3006,4692,4669],{"class":3023},[3006,4694,3037],{"class":3027},[3006,4696,3887],{"class":3023},[3006,4698,3037],{"class":3027},[3006,4700,3080],{"class":3023},[3006,4702,4703],{"class":3027},",  ",[3006,4705,4706],{"class":3012},"// JOIN Categories\n",[3006,4708,4709,4712,4714,4716,4718,4720,4722,4724],{"class":3008,"line":3135},[3006,4710,4711],{"class":3023},"        OrderNumber",[3006,4713,4444],{"class":3027},[3006,4715,4594],{"class":3023},[3006,4717,3037],{"class":3027},[3006,4719,4603],{"class":3023},[3006,4721,3037],{"class":3027},[3006,4723,3767],{"class":3023},[3006,4725,4726],{"class":3012},"       // JOIN Orders\n",[3006,4728,4729],{"class":3008,"line":3153},[3006,4730,3812],{"class":3027},[3006,4732,4733,4735,4737],{"class":3008,"line":3195},[3006,4734,3046],{"class":3027},[3006,4736,3098],{"class":3049},[3006,4738,3101],{"class":3027},[3006,4740,4741],{"class":3008,"line":3204},[3006,4742,4743],{"class":3012},"// SQL: SELECT oi.Quantity, oi.UnitPrice, p.Name, c.Name, o.OrderNumber\n",[3006,4745,4746],{"class":3008,"line":4148},[3006,4747,4748],{"class":3012},"//      FROM OrderItems oi\n",[3006,4750,4751],{"class":3008,"line":4154},[3006,4752,4753],{"class":3012},"//      JOIN Orders o ON o.Id = oi.OrderId\n",[3006,4755,4756],{"class":3008,"line":4160},[3006,4757,4758],{"class":3012},"//      JOIN Products p ON p.Id = oi.ProductId\n",[3006,4760,4761],{"class":3008,"line":4188},[3006,4762,4763],{"class":3012},"//      JOIN Categories c ON c.Id = p.CategoryId\n",[3006,4765,4766],{"class":3008,"line":4197},[3006,4767,4768],{"class":3012},"//      WHERE o.CustomerId = @customerId\n",[2973,4770],{},[2976,4772,4774],{"id":4773},"union-intersect-except","Union, Intersect, Except",[2992,4776,4778],{"id":4777},"union-обєднання-двох-запитів","Union: об'єднання двох запитів",[2997,4780,4782],{"className":2999,"code":4781,"language":3001,"meta":3002,"style":3002},"// Отримати всі продукти з категорій \"Electronics\" АБО \"Gaming\"\nvar electronicsIds = context.Products\n    .Where(p => p.Category.Name == \"Electronics\")\n    .Select(p => p.Id);\n\nvar gamingIds = context.Products\n    .Where(p => p.Category.Name == \"Gaming\")\n    .Select(p => p.Id);\n\n// Union: дублікати видаляються (UNION)\nvar allIds = await electronicsIds.Union(gamingIds).ToListAsync();\n// SQL: SELECT Id FROM Products WHERE Category='Electronics'\n//      UNION\n//      SELECT Id FROM Products WHERE Category='Gaming'\n\n// UnionAll: дублікати залишаються (UNION ALL)\nvar withDuplicates = await electronicsIds.Concat(gamingIds).ToListAsync();\n// SQL: ... UNION ALL ...\n",[2983,4783,4784,4789,4805,4833,4854,4858,4873,4902,4922,4926,4931,4961,4966,4971,4976,4980,4985,5013],{"__ignoreMap":3002},[3006,4785,4786],{"class":3008,"line":3009},[3006,4787,4788],{"class":3012},"// Отримати всі продукти з категорій \"Electronics\" АБО \"Gaming\"\n",[3006,4790,4791,4793,4796,4798,4801,4803],{"class":3008,"line":3016},[3006,4792,3020],{"class":3019},[3006,4794,4795],{"class":3023}," electronicsIds",[3006,4797,3028],{"class":3027},[3006,4799,4800],{"class":3023},"context",[3006,4802,3037],{"class":3027},[3006,4804,3040],{"class":3023},[3006,4806,4807,4809,4811,4813,4815,4817,4819,4821,4823,4825,4827,4829,4831],{"class":3008,"line":3043},[3006,4808,3046],{"class":3027},[3006,4810,3050],{"class":3049},[3006,4812,3053],{"class":3027},[3006,4814,2963],{"class":3023},[3006,4816,3058],{"class":3027},[3006,4818,2963],{"class":3023},[3006,4820,3037],{"class":3027},[3006,4822,3887],{"class":3023},[3006,4824,3037],{"class":3027},[3006,4826,3080],{"class":3023},[3006,4828,3894],{"class":3027},[3006,4830,3897],{"class":3086},[3006,4832,3463],{"class":3027},[3006,4834,4835,4837,4839,4841,4843,4845,4847,4849,4851],{"class":3008,"line":3093},[3006,4836,3046],{"class":3027},[3006,4838,3731],{"class":3049},[3006,4840,3053],{"class":3027},[3006,4842,2963],{"class":3023},[3006,4844,3058],{"class":3027},[3006,4846,2963],{"class":3023},[3006,4848,3037],{"class":3027},[3006,4850,3755],{"class":3023},[3006,4852,4853],{"class":3027},");\n",[3006,4855,4856],{"class":3008,"line":3104},[3006,4857,3114],{"emptyLinePlaceholder":3113},[3006,4859,4860,4862,4865,4867,4869,4871],{"class":3008,"line":3110},[3006,4861,3020],{"class":3019},[3006,4863,4864],{"class":3023}," gamingIds",[3006,4866,3028],{"class":3027},[3006,4868,4800],{"class":3023},[3006,4870,3037],{"class":3027},[3006,4872,3040],{"class":3023},[3006,4874,4875,4877,4879,4881,4883,4885,4887,4889,4891,4893,4895,4897,4900],{"class":3008,"line":3117},[3006,4876,3046],{"class":3027},[3006,4878,3050],{"class":3049},[3006,4880,3053],{"class":3027},[3006,4882,2963],{"class":3023},[3006,4884,3058],{"class":3027},[3006,4886,2963],{"class":3023},[3006,4888,3037],{"class":3027},[3006,4890,3887],{"class":3023},[3006,4892,3037],{"class":3027},[3006,4894,3080],{"class":3023},[3006,4896,3894],{"class":3027},[3006,4898,4899],{"class":3086},"\"Gaming\"",[3006,4901,3463],{"class":3027},[3006,4903,4904,4906,4908,4910,4912,4914,4916,4918,4920],{"class":3008,"line":3123},[3006,4905,3046],{"class":3027},[3006,4907,3731],{"class":3049},[3006,4909,3053],{"class":3027},[3006,4911,2963],{"class":3023},[3006,4913,3058],{"class":3027},[3006,4915,2963],{"class":3023},[3006,4917,3037],{"class":3027},[3006,4919,3755],{"class":3023},[3006,4921,4853],{"class":3027},[3006,4923,4924],{"class":3008,"line":3129},[3006,4925,3114],{"emptyLinePlaceholder":3113},[3006,4927,4928],{"class":3008,"line":3135},[3006,4929,4930],{"class":3012},"// Union: дублікати видаляються (UNION)\n",[3006,4932,4933,4935,4938,4940,4942,4944,4946,4949,4951,4954,4957,4959],{"class":3008,"line":3153},[3006,4934,3020],{"class":3019},[3006,4936,4937],{"class":3023}," allIds",[3006,4939,3028],{"class":3027},[3006,4941,3031],{"class":3019},[3006,4943,4795],{"class":3023},[3006,4945,3037],{"class":3027},[3006,4947,4948],{"class":3049},"Union",[3006,4950,3053],{"class":3027},[3006,4952,4953],{"class":3023},"gamingIds",[3006,4955,4956],{"class":3027},").",[3006,4958,3098],{"class":3049},[3006,4960,3101],{"class":3027},[3006,4962,4963],{"class":3008,"line":3195},[3006,4964,4965],{"class":3012},"// SQL: SELECT Id FROM Products WHERE Category='Electronics'\n",[3006,4967,4968],{"class":3008,"line":3204},[3006,4969,4970],{"class":3012},"//      UNION\n",[3006,4972,4973],{"class":3008,"line":4148},[3006,4974,4975],{"class":3012},"//      SELECT Id FROM Products WHERE Category='Gaming'\n",[3006,4977,4978],{"class":3008,"line":4154},[3006,4979,3114],{"emptyLinePlaceholder":3113},[3006,4981,4982],{"class":3008,"line":4160},[3006,4983,4984],{"class":3012},"// UnionAll: дублікати залишаються (UNION ALL)\n",[3006,4986,4987,4989,4992,4994,4996,4998,5000,5003,5005,5007,5009,5011],{"class":3008,"line":4188},[3006,4988,3020],{"class":3019},[3006,4990,4991],{"class":3023}," withDuplicates",[3006,4993,3028],{"class":3027},[3006,4995,3031],{"class":3019},[3006,4997,4795],{"class":3023},[3006,4999,3037],{"class":3027},[3006,5001,5002],{"class":3049},"Concat",[3006,5004,3053],{"class":3027},[3006,5006,4953],{"class":3023},[3006,5008,4956],{"class":3027},[3006,5010,3098],{"class":3049},[3006,5012,3101],{"class":3027},[3006,5014,5015],{"class":3008,"line":4197},[3006,5016,5017],{"class":3012},"// SQL: ... UNION ALL ...\n",[2992,5019,5021],{"id":5020},"практичний-union-пошук-зі-зваженими-результатами","Практичний Union: пошук зі зваженими результатами",[2997,5023,5025],{"className":2999,"code":5024,"language":3001,"meta":3002,"style":3002},"// Спочатку точні збіги, потім часткові\nvar exactMatches = context.Products\n    .Where(p => p.Name == searchTerm)\n    .Select(p => new { p.Id, p.Name, Rank = 1 });\n\nvar partialMatches = context.Products\n    .Where(p => p.Name.Contains(searchTerm) && p.Name != searchTerm)\n    .Select(p => new { p.Id, p.Name, Rank = 2 });\n\nvar searchResults = await exactMatches\n    .Union(partialMatches)\n    .OrderBy(r => r.Rank)\n    .ThenBy(r => r.Name)\n    .ToListAsync();\n",[2983,5026,5027,5032,5047,5072,5115,5119,5134,5176,5217,5221,5235,5248,5269,5290],{"__ignoreMap":3002},[3006,5028,5029],{"class":3008,"line":3009},[3006,5030,5031],{"class":3012},"// Спочатку точні збіги, потім часткові\n",[3006,5033,5034,5036,5039,5041,5043,5045],{"class":3008,"line":3016},[3006,5035,3020],{"class":3019},[3006,5037,5038],{"class":3023}," exactMatches",[3006,5040,3028],{"class":3027},[3006,5042,4800],{"class":3023},[3006,5044,3037],{"class":3027},[3006,5046,3040],{"class":3023},[3006,5048,5049,5051,5053,5055,5057,5059,5061,5063,5065,5067,5070],{"class":3008,"line":3043},[3006,5050,3046],{"class":3027},[3006,5052,3050],{"class":3049},[3006,5054,3053],{"class":3027},[3006,5056,2963],{"class":3023},[3006,5058,3058],{"class":3027},[3006,5060,2963],{"class":3023},[3006,5062,3037],{"class":3027},[3006,5064,3080],{"class":3023},[3006,5066,3894],{"class":3027},[3006,5068,5069],{"class":3023},"searchTerm",[3006,5071,3463],{"class":3027},[3006,5073,5074,5076,5078,5080,5082,5084,5086,5088,5090,5092,5094,5096,5098,5100,5102,5104,5107,5109,5112],{"class":3008,"line":3093},[3006,5075,3046],{"class":3027},[3006,5077,3731],{"class":3049},[3006,5079,3053],{"class":3027},[3006,5081,2963],{"class":3023},[3006,5083,3058],{"class":3027},[3006,5085,3914],{"class":3019},[3006,5087,3917],{"class":3027},[3006,5089,2963],{"class":3023},[3006,5091,3037],{"class":3027},[3006,5093,3755],{"class":3023},[3006,5095,3083],{"class":3027},[3006,5097,2963],{"class":3023},[3006,5099,3037],{"class":3027},[3006,5101,3080],{"class":3023},[3006,5103,3083],{"class":3027},[3006,5105,5106],{"class":3023},"Rank",[3006,5108,3028],{"class":3027},[3006,5110,5111],{"class":3459},"1",[3006,5113,5114],{"class":3027}," });\n",[3006,5116,5117],{"class":3008,"line":3104},[3006,5118,3114],{"emptyLinePlaceholder":3113},[3006,5120,5121,5123,5126,5128,5130,5132],{"class":3008,"line":3110},[3006,5122,3020],{"class":3019},[3006,5124,5125],{"class":3023}," partialMatches",[3006,5127,3028],{"class":3027},[3006,5129,4800],{"class":3023},[3006,5131,3037],{"class":3027},[3006,5133,3040],{"class":3023},[3006,5135,5136,5138,5140,5142,5144,5146,5148,5150,5152,5154,5156,5158,5160,5163,5165,5167,5169,5172,5174],{"class":3008,"line":3117},[3006,5137,3046],{"class":3027},[3006,5139,3050],{"class":3049},[3006,5141,3053],{"class":3027},[3006,5143,2963],{"class":3023},[3006,5145,3058],{"class":3027},[3006,5147,2963],{"class":3023},[3006,5149,3037],{"class":3027},[3006,5151,3080],{"class":3023},[3006,5153,3037],{"class":3027},[3006,5155,3339],{"class":3049},[3006,5157,3053],{"class":3027},[3006,5159,5069],{"class":3023},[3006,5161,5162],{"class":3027},") && ",[3006,5164,2963],{"class":3023},[3006,5166,3037],{"class":3027},[3006,5168,3080],{"class":3023},[3006,5170,5171],{"class":3027}," != ",[3006,5173,5069],{"class":3023},[3006,5175,3463],{"class":3027},[3006,5177,5178,5180,5182,5184,5186,5188,5190,5192,5194,5196,5198,5200,5202,5204,5206,5208,5210,5212,5215],{"class":3008,"line":3123},[3006,5179,3046],{"class":3027},[3006,5181,3731],{"class":3049},[3006,5183,3053],{"class":3027},[3006,5185,2963],{"class":3023},[3006,5187,3058],{"class":3027},[3006,5189,3914],{"class":3019},[3006,5191,3917],{"class":3027},[3006,5193,2963],{"class":3023},[3006,5195,3037],{"class":3027},[3006,5197,3755],{"class":3023},[3006,5199,3083],{"class":3027},[3006,5201,2963],{"class":3023},[3006,5203,3037],{"class":3027},[3006,5205,3080],{"class":3023},[3006,5207,3083],{"class":3027},[3006,5209,5106],{"class":3023},[3006,5211,3028],{"class":3027},[3006,5213,5214],{"class":3459},"2",[3006,5216,5114],{"class":3027},[3006,5218,5219],{"class":3008,"line":3129},[3006,5220,3114],{"emptyLinePlaceholder":3113},[3006,5222,5223,5225,5228,5230,5232],{"class":3008,"line":3135},[3006,5224,3020],{"class":3019},[3006,5226,5227],{"class":3023}," searchResults",[3006,5229,3028],{"class":3027},[3006,5231,3031],{"class":3019},[3006,5233,5234],{"class":3023}," exactMatches\n",[3006,5236,5237,5239,5241,5243,5246],{"class":3008,"line":3153},[3006,5238,3046],{"class":3027},[3006,5240,4948],{"class":3049},[3006,5242,3053],{"class":3027},[3006,5244,5245],{"class":3023},"partialMatches",[3006,5247,3463],{"class":3027},[3006,5249,5250,5252,5254,5256,5259,5261,5263,5265,5267],{"class":3008,"line":3195},[3006,5251,3046],{"class":3027},[3006,5253,3575],{"class":3049},[3006,5255,3053],{"class":3027},[3006,5257,5258],{"class":3023},"r",[3006,5260,3058],{"class":3027},[3006,5262,5258],{"class":3023},[3006,5264,3037],{"class":3027},[3006,5266,5106],{"class":3023},[3006,5268,3463],{"class":3027},[3006,5270,5271,5273,5276,5278,5280,5282,5284,5286,5288],{"class":3008,"line":3204},[3006,5272,3046],{"class":3027},[3006,5274,5275],{"class":3049},"ThenBy",[3006,5277,3053],{"class":3027},[3006,5279,5258],{"class":3023},[3006,5281,3058],{"class":3027},[3006,5283,5258],{"class":3023},[3006,5285,3037],{"class":3027},[3006,5287,3080],{"class":3023},[3006,5289,3463],{"class":3027},[3006,5291,5292,5294,5296],{"class":3008,"line":4148},[3006,5293,3046],{"class":3027},[3006,5295,3098],{"class":3049},[3006,5297,3101],{"class":3027},[2992,5299,5301],{"id":5300},"intersect-та-except","Intersect та Except",[2997,5303,5305],{"className":2999,"code":5304,"language":3001,"meta":3002,"style":3002},"// Intersect: тільки ті, що є І там, І там\nvar customersWithOrdersAndReviews = await context.Orders\n    .Select(o => o.CustomerId)\n    .Intersect(\n        context.Reviews.Select(r => r.CustomerId)\n    )\n    .ToListAsync();\n// SQL: SELECT CustomerId FROM Orders\n//      INTERSECT\n//      SELECT CustomerId FROM Reviews\n\n// Except: є у першому, але не у другому\nvar customersWithOrdersButNoReviews = await context.Orders\n    .Select(o => o.CustomerId)\n    .Except(\n        context.Reviews.Select(r => r.CustomerId)\n    )\n    .ToListAsync();\n// SQL: SELECT CustomerId FROM Orders\n//      EXCEPT\n//      SELECT CustomerId FROM Reviews\n",[2983,5306,5307,5312,5329,5349,5358,5385,5389,5397,5402,5407,5412,5416,5421,5438,5458,5467,5493,5497,5505,5509,5514],{"__ignoreMap":3002},[3006,5308,5309],{"class":3008,"line":3009},[3006,5310,5311],{"class":3012},"// Intersect: тільки ті, що є І там, І там\n",[3006,5313,5314,5316,5319,5321,5323,5325,5327],{"class":3008,"line":3016},[3006,5315,3020],{"class":3019},[3006,5317,5318],{"class":3023}," customersWithOrdersAndReviews",[3006,5320,3028],{"class":3027},[3006,5322,3031],{"class":3019},[3006,5324,3034],{"class":3023},[3006,5326,3037],{"class":3027},[3006,5328,3410],{"class":3023},[3006,5330,5331,5333,5335,5337,5339,5341,5343,5345,5347],{"class":3008,"line":3043},[3006,5332,3046],{"class":3027},[3006,5334,3731],{"class":3049},[3006,5336,3053],{"class":3027},[3006,5338,3421],{"class":3023},[3006,5340,3058],{"class":3027},[3006,5342,3421],{"class":3023},[3006,5344,3037],{"class":3027},[3006,5346,4054],{"class":3023},[3006,5348,3463],{"class":3027},[3006,5350,5351,5353,5356],{"class":3008,"line":3093},[3006,5352,3046],{"class":3027},[3006,5354,5355],{"class":3049},"Intersect",[3006,5357,4026],{"class":3027},[3006,5359,5360,5362,5364,5367,5369,5371,5373,5375,5377,5379,5381,5383],{"class":3008,"line":3104},[3006,5361,4031],{"class":3023},[3006,5363,3037],{"class":3027},[3006,5365,5366],{"class":3023},"Reviews",[3006,5368,3037],{"class":3027},[3006,5370,3731],{"class":3049},[3006,5372,3053],{"class":3027},[3006,5374,5258],{"class":3023},[3006,5376,3058],{"class":3027},[3006,5378,5258],{"class":3023},[3006,5380,3037],{"class":3027},[3006,5382,4054],{"class":3023},[3006,5384,3463],{"class":3027},[3006,5386,5387],{"class":3008,"line":3110},[3006,5388,4157],{"class":3027},[3006,5390,5391,5393,5395],{"class":3008,"line":3117},[3006,5392,3046],{"class":3027},[3006,5394,3098],{"class":3049},[3006,5396,3101],{"class":3027},[3006,5398,5399],{"class":3008,"line":3123},[3006,5400,5401],{"class":3012},"// SQL: SELECT CustomerId FROM Orders\n",[3006,5403,5404],{"class":3008,"line":3129},[3006,5405,5406],{"class":3012},"//      INTERSECT\n",[3006,5408,5409],{"class":3008,"line":3135},[3006,5410,5411],{"class":3012},"//      SELECT CustomerId FROM Reviews\n",[3006,5413,5414],{"class":3008,"line":3153},[3006,5415,3114],{"emptyLinePlaceholder":3113},[3006,5417,5418],{"class":3008,"line":3195},[3006,5419,5420],{"class":3012},"// Except: є у першому, але не у другому\n",[3006,5422,5423,5425,5428,5430,5432,5434,5436],{"class":3008,"line":3204},[3006,5424,3020],{"class":3019},[3006,5426,5427],{"class":3023}," customersWithOrdersButNoReviews",[3006,5429,3028],{"class":3027},[3006,5431,3031],{"class":3019},[3006,5433,3034],{"class":3023},[3006,5435,3037],{"class":3027},[3006,5437,3410],{"class":3023},[3006,5439,5440,5442,5444,5446,5448,5450,5452,5454,5456],{"class":3008,"line":4148},[3006,5441,3046],{"class":3027},[3006,5443,3731],{"class":3049},[3006,5445,3053],{"class":3027},[3006,5447,3421],{"class":3023},[3006,5449,3058],{"class":3027},[3006,5451,3421],{"class":3023},[3006,5453,3037],{"class":3027},[3006,5455,4054],{"class":3023},[3006,5457,3463],{"class":3027},[3006,5459,5460,5462,5465],{"class":3008,"line":4154},[3006,5461,3046],{"class":3027},[3006,5463,5464],{"class":3049},"Except",[3006,5466,4026],{"class":3027},[3006,5468,5469,5471,5473,5475,5477,5479,5481,5483,5485,5487,5489,5491],{"class":3008,"line":4160},[3006,5470,4031],{"class":3023},[3006,5472,3037],{"class":3027},[3006,5474,5366],{"class":3023},[3006,5476,3037],{"class":3027},[3006,5478,3731],{"class":3049},[3006,5480,3053],{"class":3027},[3006,5482,5258],{"class":3023},[3006,5484,3058],{"class":3027},[3006,5486,5258],{"class":3023},[3006,5488,3037],{"class":3027},[3006,5490,4054],{"class":3023},[3006,5492,3463],{"class":3027},[3006,5494,5495],{"class":3008,"line":4188},[3006,5496,4157],{"class":3027},[3006,5498,5499,5501,5503],{"class":3008,"line":4197},[3006,5500,3046],{"class":3027},[3006,5502,3098],{"class":3049},[3006,5504,3101],{"class":3027},[3006,5506,5507],{"class":3008,"line":4203},[3006,5508,5401],{"class":3012},[3006,5510,5511],{"class":3008,"line":4209},[3006,5512,5513],{"class":3012},"//      EXCEPT\n",[3006,5515,5516],{"class":3008,"line":4531},[3006,5517,5411],{"class":3012},[2973,5519],{},[2976,5521,5523],{"id":5522},"asnotracking-запити-без-change-tracking","AsNoTracking: запити без Change Tracking",[2963,5525,5526,5527,5530,5531,5534],{},"По-замовчуванням EF Core відстежує всі завантажені entity у Change Tracker — зберігає snapshot для виявлення змін. Це займає пам'ять і час. Для ",[4539,5528,5529],{},"read-only"," запитів (де не плануємо зміни) — ",[2983,5532,5533],{},"AsNoTracking()"," значно ефективніший.",[2997,5536,5538],{"className":2999,"code":5537,"language":3001,"meta":3002,"style":3002},"// З трекінгом (за замовчуванням): дорожче, але потрібне для SaveChanges\nvar tracked = await context.Products.ToListAsync();\n// Change Tracker: зберігає копію кожного Product\n\n// БЕЗ трекінгу: швидше, менше пам'яті\nvar readOnly = await context.Products\n    .AsNoTracking()\n    .ToListAsync();\n// Жодних snapshot, жодних EntityEntry — чисте читання\n\n// AsNoTrackingWithIdentityResolution (EF Core 5+)\n// Уникає дублікатів при Include, але без повного трекінгу\nvar withNavigation = await context.Orders\n    .AsNoTrackingWithIdentityResolution()\n    .Include(o => o.Customer)\n    .Include(o => o.LineItems)\n    .ToListAsync();\n",[2983,5539,5540,5545,5568,5573,5577,5582,5599,5609,5617,5622,5626,5631,5636,5653,5662,5683,5704],{"__ignoreMap":3002},[3006,5541,5542],{"class":3008,"line":3009},[3006,5543,5544],{"class":3012},"// З трекінгом (за замовчуванням): дорожче, але потрібне для SaveChanges\n",[3006,5546,5547,5549,5552,5554,5556,5558,5560,5562,5564,5566],{"class":3008,"line":3016},[3006,5548,3020],{"class":3019},[3006,5550,5551],{"class":3023}," tracked",[3006,5553,3028],{"class":3027},[3006,5555,3031],{"class":3019},[3006,5557,3034],{"class":3023},[3006,5559,3037],{"class":3027},[3006,5561,4283],{"class":3023},[3006,5563,3037],{"class":3027},[3006,5565,3098],{"class":3049},[3006,5567,3101],{"class":3027},[3006,5569,5570],{"class":3008,"line":3043},[3006,5571,5572],{"class":3012},"// Change Tracker: зберігає копію кожного Product\n",[3006,5574,5575],{"class":3008,"line":3093},[3006,5576,3114],{"emptyLinePlaceholder":3113},[3006,5578,5579],{"class":3008,"line":3104},[3006,5580,5581],{"class":3012},"// БЕЗ трекінгу: швидше, менше пам'яті\n",[3006,5583,5584,5586,5589,5591,5593,5595,5597],{"class":3008,"line":3110},[3006,5585,3020],{"class":3019},[3006,5587,5588],{"class":3023}," readOnly",[3006,5590,3028],{"class":3027},[3006,5592,3031],{"class":3019},[3006,5594,3034],{"class":3023},[3006,5596,3037],{"class":3027},[3006,5598,3040],{"class":3023},[3006,5600,5601,5603,5606],{"class":3008,"line":3117},[3006,5602,3046],{"class":3027},[3006,5604,5605],{"class":3049},"AsNoTracking",[3006,5607,5608],{"class":3027},"()\n",[3006,5610,5611,5613,5615],{"class":3008,"line":3123},[3006,5612,3046],{"class":3027},[3006,5614,3098],{"class":3049},[3006,5616,3101],{"class":3027},[3006,5618,5619],{"class":3008,"line":3129},[3006,5620,5621],{"class":3012},"// Жодних snapshot, жодних EntityEntry — чисте читання\n",[3006,5623,5624],{"class":3008,"line":3135},[3006,5625,3114],{"emptyLinePlaceholder":3113},[3006,5627,5628],{"class":3008,"line":3153},[3006,5629,5630],{"class":3012},"// AsNoTrackingWithIdentityResolution (EF Core 5+)\n",[3006,5632,5633],{"class":3008,"line":3195},[3006,5634,5635],{"class":3012},"// Уникає дублікатів при Include, але без повного трекінгу\n",[3006,5637,5638,5640,5643,5645,5647,5649,5651],{"class":3008,"line":3204},[3006,5639,3020],{"class":3019},[3006,5641,5642],{"class":3023}," withNavigation",[3006,5644,3028],{"class":3027},[3006,5646,3031],{"class":3019},[3006,5648,3034],{"class":3023},[3006,5650,3037],{"class":3027},[3006,5652,3410],{"class":3023},[3006,5654,5655,5657,5660],{"class":3008,"line":4148},[3006,5656,3046],{"class":3027},[3006,5658,5659],{"class":3049},"AsNoTrackingWithIdentityResolution",[3006,5661,5608],{"class":3027},[3006,5663,5664,5666,5668,5670,5672,5674,5676,5678,5681],{"class":3008,"line":4154},[3006,5665,3046],{"class":3027},[3006,5667,4545],{"class":3049},[3006,5669,3053],{"class":3027},[3006,5671,3421],{"class":3023},[3006,5673,3058],{"class":3027},[3006,5675,3421],{"class":3023},[3006,5677,3037],{"class":3027},[3006,5679,5680],{"class":3023},"Customer",[3006,5682,3463],{"class":3027},[3006,5684,5685,5687,5689,5691,5693,5695,5697,5699,5702],{"class":3008,"line":4160},[3006,5686,3046],{"class":3027},[3006,5688,4545],{"class":3049},[3006,5690,3053],{"class":3027},[3006,5692,3421],{"class":3023},[3006,5694,3058],{"class":3027},[3006,5696,3421],{"class":3023},[3006,5698,3037],{"class":3027},[3006,5700,5701],{"class":3023},"LineItems",[3006,5703,3463],{"class":3027},[3006,5705,5706,5708,5710],{"class":3008,"line":4188},[3006,5707,3046],{"class":3027},[3006,5709,3098],{"class":3049},[3006,5711,3101],{"class":3027},[2992,5713,5715],{"id":5714},"глобальний-asnotracking-у-dbcontext","Глобальний AsNoTracking у DbContext",[2997,5717,5719],{"className":2999,"code":5718,"language":3001,"meta":3002,"style":3002},"// Для цілого DbContext: READ-ONLY режим (наприклад, для репортів)\nservices.AddDbContext\u003CReportDbContext>(options =>\n{\n    options.UseSqlServer(connectionString)\n           .UseQueryTrackingBehavior(QueryTrackingBehavior.NoTracking);\n});\n",[2983,5720,5721,5726,5752,5757,5774,5794],{"__ignoreMap":3002},[3006,5722,5723],{"class":3008,"line":3009},[3006,5724,5725],{"class":3012},"// Для цілого DbContext: READ-ONLY режим (наприклад, для репортів)\n",[3006,5727,5728,5731,5733,5736,5739,5743,5746,5749],{"class":3008,"line":3016},[3006,5729,5730],{"class":3023},"services",[3006,5732,3037],{"class":3027},[3006,5734,5735],{"class":3049},"AddDbContext",[3006,5737,5738],{"class":3027},"\u003C",[3006,5740,5742],{"class":5741},"sN1BT","ReportDbContext",[3006,5744,5745],{"class":3027},">(",[3006,5747,5748],{"class":3023},"options",[3006,5750,5751],{"class":3027}," =>\n",[3006,5753,5754],{"class":3008,"line":3043},[3006,5755,5756],{"class":3027},"{\n",[3006,5758,5759,5762,5764,5767,5769,5772],{"class":3008,"line":3093},[3006,5760,5761],{"class":3023},"    options",[3006,5763,3037],{"class":3027},[3006,5765,5766],{"class":3049},"UseSqlServer",[3006,5768,3053],{"class":3027},[3006,5770,5771],{"class":3023},"connectionString",[3006,5773,3463],{"class":3027},[3006,5775,5776,5779,5782,5784,5787,5789,5792],{"class":3008,"line":3104},[3006,5777,5778],{"class":3027},"           .",[3006,5780,5781],{"class":3049},"UseQueryTrackingBehavior",[3006,5783,3053],{"class":3027},[3006,5785,5786],{"class":3023},"QueryTrackingBehavior",[3006,5788,3037],{"class":3027},[3006,5790,5791],{"class":3023},"NoTracking",[3006,5793,4853],{"class":3027},[3006,5795,5796],{"class":3008,"line":3110},[3006,5797,5798],{"class":3027},"});\n",[2992,5800,5802],{"id":5801},"за-яких-умов-asnotracking-дає-виграш","За яких умов AsNoTracking дає виграш",[2997,5804,5809],{"className":5805,"code":5807,"language":5808},[5806],"language-text","+----------------------+------------------------+------------------------+\n| Сценарій             | AsNoTracking           | Default (Tracking)     |\n+----------------------+------------------------+------------------------+\n| Список для UI        | ✅ Рекомендовано        | ❌ Зайвий overhead     |\n| SaveChanges потрібен | ❌ Не можна зберегти   | ✅ Необхідний          |\n| Великі resultsets    | ✅ Менша пам'ять       | ❌ Snapshot великий    |\n| Повторний Find()     | ❌ Немає кешу          | ✅ Кеш через Id        |\n| API Read endpoint    | ✅ Завжди              | ❌ Зайвий              |\n+----------------------+------------------------+------------------------+\n","text",[2983,5810,5807],{"__ignoreMap":3002},[2973,5812],{},[2976,5814,5816],{"id":5815},"distinct-і-distinctby","Distinct і DistinctBy",[2997,5818,5820],{"className":2999,"code":5819,"language":3001,"meta":3002,"style":3002},"// Distinct: унікальні значення (по всьому об'єкту або примітиву)\nvar uniqueCategories = await context.Products\n    .Select(p => p.CategoryId)\n    .Distinct()\n    .ToListAsync();\n// SQL: SELECT DISTINCT CategoryId FROM Products\n\n// Distinct по об'єкту (порівнює всі поля через Equals)\nvar distinctLocations = await context.Customers\n    .Select(c => new { c.City, c.CountryCode })\n    .Distinct()\n    .OrderBy(l => l.CountryCode)\n    .ThenBy(l => l.City)\n    .ToListAsync();\n// SQL: SELECT DISTINCT City, CountryCode FROM Customers\n//      ORDER BY CountryCode, City\n\n// DistinctBy (EF Core 7+): унікальні за конкретним полем\nvar firstPerCategory = await context.Products\n    .OrderBy(p => p.Price)\n    .DistinctBy(p => p.CategoryId) // перший (найдешевший) за категорією\n    .ToListAsync();\n// Увага: не всі провайдери транслюють DistinctBy — перевіряйте SQL\n",[2983,5821,5822,5827,5844,5864,5873,5881,5886,5890,5895,5913,5948,5956,5977,5997,6005,6010,6015,6019,6024,6041,6061,6086,6095],{"__ignoreMap":3002},[3006,5823,5824],{"class":3008,"line":3009},[3006,5825,5826],{"class":3012},"// Distinct: унікальні значення (по всьому об'єкту або примітиву)\n",[3006,5828,5829,5831,5834,5836,5838,5840,5842],{"class":3008,"line":3016},[3006,5830,3020],{"class":3019},[3006,5832,5833],{"class":3023}," uniqueCategories",[3006,5835,3028],{"class":3027},[3006,5837,3031],{"class":3019},[3006,5839,3034],{"class":3023},[3006,5841,3037],{"class":3027},[3006,5843,3040],{"class":3023},[3006,5845,5846,5848,5850,5852,5854,5856,5858,5860,5862],{"class":3008,"line":3043},[3006,5847,3046],{"class":3027},[3006,5849,3731],{"class":3049},[3006,5851,3053],{"class":3027},[3006,5853,2963],{"class":3023},[3006,5855,3058],{"class":3027},[3006,5857,2963],{"class":3023},[3006,5859,3037],{"class":3027},[3006,5861,4335],{"class":3023},[3006,5863,3463],{"class":3027},[3006,5865,5866,5868,5871],{"class":3008,"line":3093},[3006,5867,3046],{"class":3027},[3006,5869,5870],{"class":3049},"Distinct",[3006,5872,5608],{"class":3027},[3006,5874,5875,5877,5879],{"class":3008,"line":3104},[3006,5876,3046],{"class":3027},[3006,5878,3098],{"class":3049},[3006,5880,3101],{"class":3027},[3006,5882,5883],{"class":3008,"line":3110},[3006,5884,5885],{"class":3012},"// SQL: SELECT DISTINCT CategoryId FROM Products\n",[3006,5887,5888],{"class":3008,"line":3117},[3006,5889,3114],{"emptyLinePlaceholder":3113},[3006,5891,5892],{"class":3008,"line":3123},[3006,5893,5894],{"class":3012},"// Distinct по об'єкту (порівнює всі поля через Equals)\n",[3006,5896,5897,5899,5902,5904,5906,5908,5910],{"class":3008,"line":3129},[3006,5898,3020],{"class":3019},[3006,5900,5901],{"class":3023}," distinctLocations",[3006,5903,3028],{"class":3027},[3006,5905,3031],{"class":3019},[3006,5907,3034],{"class":3023},[3006,5909,3037],{"class":3027},[3006,5911,5912],{"class":3023},"Customers\n",[3006,5914,5915,5917,5919,5921,5924,5926,5928,5930,5932,5934,5937,5939,5941,5943,5946],{"class":3008,"line":3135},[3006,5916,3046],{"class":3027},[3006,5918,3731],{"class":3049},[3006,5920,3053],{"class":3027},[3006,5922,5923],{"class":3023},"c",[3006,5925,3058],{"class":3027},[3006,5927,3914],{"class":3019},[3006,5929,3917],{"class":3027},[3006,5931,5923],{"class":3023},[3006,5933,3037],{"class":3027},[3006,5935,5936],{"class":3023},"City",[3006,5938,3083],{"class":3027},[3006,5940,5923],{"class":3023},[3006,5942,3037],{"class":3027},[3006,5944,5945],{"class":3023},"CountryCode",[3006,5947,3952],{"class":3027},[3006,5949,5950,5952,5954],{"class":3008,"line":3153},[3006,5951,3046],{"class":3027},[3006,5953,5870],{"class":3049},[3006,5955,5608],{"class":3027},[3006,5957,5958,5960,5962,5964,5967,5969,5971,5973,5975],{"class":3008,"line":3195},[3006,5959,3046],{"class":3027},[3006,5961,3575],{"class":3049},[3006,5963,3053],{"class":3027},[3006,5965,5966],{"class":3023},"l",[3006,5968,3058],{"class":3027},[3006,5970,5966],{"class":3023},[3006,5972,3037],{"class":3027},[3006,5974,5945],{"class":3023},[3006,5976,3463],{"class":3027},[3006,5978,5979,5981,5983,5985,5987,5989,5991,5993,5995],{"class":3008,"line":3204},[3006,5980,3046],{"class":3027},[3006,5982,5275],{"class":3049},[3006,5984,3053],{"class":3027},[3006,5986,5966],{"class":3023},[3006,5988,3058],{"class":3027},[3006,5990,5966],{"class":3023},[3006,5992,3037],{"class":3027},[3006,5994,5936],{"class":3023},[3006,5996,3463],{"class":3027},[3006,5998,5999,6001,6003],{"class":3008,"line":4148},[3006,6000,3046],{"class":3027},[3006,6002,3098],{"class":3049},[3006,6004,3101],{"class":3027},[3006,6006,6007],{"class":3008,"line":4154},[3006,6008,6009],{"class":3012},"// SQL: SELECT DISTINCT City, CountryCode FROM Customers\n",[3006,6011,6012],{"class":3008,"line":4160},[3006,6013,6014],{"class":3012},"//      ORDER BY CountryCode, City\n",[3006,6016,6017],{"class":3008,"line":4188},[3006,6018,3114],{"emptyLinePlaceholder":3113},[3006,6020,6021],{"class":3008,"line":4197},[3006,6022,6023],{"class":3012},"// DistinctBy (EF Core 7+): унікальні за конкретним полем\n",[3006,6025,6026,6028,6031,6033,6035,6037,6039],{"class":3008,"line":4203},[3006,6027,3020],{"class":3019},[3006,6029,6030],{"class":3023}," firstPerCategory",[3006,6032,3028],{"class":3027},[3006,6034,3031],{"class":3019},[3006,6036,3034],{"class":3023},[3006,6038,3037],{"class":3027},[3006,6040,3040],{"class":3023},[3006,6042,6043,6045,6047,6049,6051,6053,6055,6057,6059],{"class":3008,"line":4209},[3006,6044,3046],{"class":3027},[3006,6046,3575],{"class":3049},[3006,6048,3053],{"class":3027},[3006,6050,2963],{"class":3023},[3006,6052,3058],{"class":3027},[3006,6054,2963],{"class":3023},[3006,6056,3037],{"class":3027},[3006,6058,3932],{"class":3023},[3006,6060,3463],{"class":3027},[3006,6062,6063,6065,6068,6070,6072,6074,6076,6078,6080,6083],{"class":3008,"line":4531},[3006,6064,3046],{"class":3027},[3006,6066,6067],{"class":3049},"DistinctBy",[3006,6069,3053],{"class":3027},[3006,6071,2963],{"class":3023},[3006,6073,3058],{"class":3027},[3006,6075,2963],{"class":3023},[3006,6077,3037],{"class":3027},[3006,6079,4335],{"class":3023},[3006,6081,6082],{"class":3027},") ",[3006,6084,6085],{"class":3012},"// перший (найдешевший) за категорією\n",[3006,6087,6089,6091,6093],{"class":3008,"line":6088},22,[3006,6090,3046],{"class":3027},[3006,6092,3098],{"class":3049},[3006,6094,3101],{"class":3027},[3006,6096,6098],{"class":3008,"line":6097},23,[3006,6099,6100],{"class":3012},"// Увага: не всі провайдери транслюють DistinctBy — перевіряйте SQL\n",[2973,6102],{},[2976,6104,6106],{"id":6105},"типові-помилки-linq-у-ef-core","Типові помилки LINQ у EF Core",[2992,6108,6110],{"id":6109},"помилка-1-завантаження-у-память-і-фільтрація-в-c","Помилка 1: Завантаження у пам'ять і фільтрація в C#",[2997,6112,6114],{"className":2999,"code":6113,"language":3001,"meta":3002,"style":3002},"// ❌ НЕПРАВИЛЬНО: 1 мільйон рядків у пам'ять\nvar allCustomers = await context.Customers.ToListAsync();\nvar kyivCustomers = allCustomers.Where(c => c.City == \"Kyiv\").ToList();\n\n// ✅ ПРАВИЛЬНО: фільтр у SQL\nvar kyivCustomers = await context.Customers\n    .Where(c => c.City == \"Kyiv\")\n    .ToListAsync();\n",[2983,6115,6116,6121,6144,6184,6188,6193,6209,6233],{"__ignoreMap":3002},[3006,6117,6118],{"class":3008,"line":3009},[3006,6119,6120],{"class":3012},"// ❌ НЕПРАВИЛЬНО: 1 мільйон рядків у пам'ять\n",[3006,6122,6123,6125,6128,6130,6132,6134,6136,6138,6140,6142],{"class":3008,"line":3016},[3006,6124,3020],{"class":3019},[3006,6126,6127],{"class":3023}," allCustomers",[3006,6129,3028],{"class":3027},[3006,6131,3031],{"class":3019},[3006,6133,3034],{"class":3023},[3006,6135,3037],{"class":3027},[3006,6137,4036],{"class":3023},[3006,6139,3037],{"class":3027},[3006,6141,3098],{"class":3049},[3006,6143,3101],{"class":3027},[3006,6145,6146,6148,6151,6153,6156,6158,6160,6162,6164,6166,6168,6170,6172,6174,6177,6179,6182],{"class":3008,"line":3043},[3006,6147,3020],{"class":3019},[3006,6149,6150],{"class":3023}," kyivCustomers",[3006,6152,3028],{"class":3027},[3006,6154,6155],{"class":3023},"allCustomers",[3006,6157,3037],{"class":3027},[3006,6159,3050],{"class":3049},[3006,6161,3053],{"class":3027},[3006,6163,5923],{"class":3023},[3006,6165,3058],{"class":3027},[3006,6167,5923],{"class":3023},[3006,6169,3037],{"class":3027},[3006,6171,5936],{"class":3023},[3006,6173,3894],{"class":3027},[3006,6175,6176],{"class":3086},"\"Kyiv\"",[3006,6178,4956],{"class":3027},[3006,6180,6181],{"class":3049},"ToList",[3006,6183,3101],{"class":3027},[3006,6185,6186],{"class":3008,"line":3093},[3006,6187,3114],{"emptyLinePlaceholder":3113},[3006,6189,6190],{"class":3008,"line":3104},[3006,6191,6192],{"class":3012},"// ✅ ПРАВИЛЬНО: фільтр у SQL\n",[3006,6194,6195,6197,6199,6201,6203,6205,6207],{"class":3008,"line":3110},[3006,6196,3020],{"class":3019},[3006,6198,6150],{"class":3023},[3006,6200,3028],{"class":3027},[3006,6202,3031],{"class":3019},[3006,6204,3034],{"class":3023},[3006,6206,3037],{"class":3027},[3006,6208,5912],{"class":3023},[3006,6210,6211,6213,6215,6217,6219,6221,6223,6225,6227,6229,6231],{"class":3008,"line":3117},[3006,6212,3046],{"class":3027},[3006,6214,3050],{"class":3049},[3006,6216,3053],{"class":3027},[3006,6218,5923],{"class":3023},[3006,6220,3058],{"class":3027},[3006,6222,5923],{"class":3023},[3006,6224,3037],{"class":3027},[3006,6226,5936],{"class":3023},[3006,6228,3894],{"class":3027},[3006,6230,6176],{"class":3086},[3006,6232,3463],{"class":3027},[3006,6234,6235,6237,6239],{"class":3008,"line":3123},[3006,6236,3046],{"class":3027},[3006,6238,3098],{"class":3049},[3006,6240,3101],{"class":3027},[2992,6242,6244],{"id":6243},"помилка-2-n1-через-навігаційні-властивості-без-include","Помилка 2: N+1 через навігаційні властивості без Include",[2997,6246,6248],{"className":2999,"code":6247,"language":3001,"meta":3002,"style":3002},"// ❌ N+1: один запит для orders, потім 1 запит на кожен order для Customer\nvar orders = await context.Orders.ToListAsync(); // 1 SQL\n\nforeach (var order in orders)\n{\n    Console.WriteLine(order.Customer.FullName); // N SQL (Lazy Loading або виняток)\n}\n\n// ✅ ПРАВИЛЬНО: один запит з JOIN\nvar orders = await context.Orders\n    .Include(o => o.Customer)\n    .ToListAsync(); // 1 SQL з JOIN\n\n// Або проєкція:\nvar orderDtos = await context.Orders\n    .Select(o => new { o.OrderNumber, CustomerName = o.Customer.FullName })\n    .ToListAsync(); // 1 SQL з JOIN у SELECT\n",[2983,6249,6250,6255,6283,6287,6308,6312,6340,6345,6349,6354,6370,6390,6401,6405,6410,6427,6468],{"__ignoreMap":3002},[3006,6251,6252],{"class":3008,"line":3009},[3006,6253,6254],{"class":3012},"// ❌ N+1: один запит для orders, потім 1 запит на кожен order для Customer\n",[3006,6256,6257,6259,6262,6264,6266,6268,6270,6273,6275,6277,6280],{"class":3008,"line":3016},[3006,6258,3020],{"class":3019},[3006,6260,6261],{"class":3023}," orders",[3006,6263,3028],{"class":3027},[3006,6265,3031],{"class":3019},[3006,6267,3034],{"class":3023},[3006,6269,3037],{"class":3027},[3006,6271,6272],{"class":3023},"Orders",[3006,6274,3037],{"class":3027},[3006,6276,3098],{"class":3049},[3006,6278,6279],{"class":3027},"(); ",[3006,6281,6282],{"class":3012},"// 1 SQL\n",[3006,6284,6285],{"class":3008,"line":3043},[3006,6286,3114],{"emptyLinePlaceholder":3113},[3006,6288,6289,6293,6296,6298,6301,6304,6306],{"class":3008,"line":3093},[3006,6290,6292],{"class":6291},"sCDza","foreach",[3006,6294,6295],{"class":3027}," (",[3006,6297,3020],{"class":3019},[3006,6299,6300],{"class":3023}," order",[3006,6302,6303],{"class":6291}," in",[3006,6305,6261],{"class":3023},[3006,6307,3463],{"class":3027},[3006,6309,6310],{"class":3008,"line":3104},[3006,6311,5756],{"class":3027},[3006,6313,6314,6317,6319,6322,6324,6326,6328,6330,6332,6334,6337],{"class":3008,"line":3110},[3006,6315,6316],{"class":3023},"    Console",[3006,6318,3037],{"class":3027},[3006,6320,6321],{"class":3049},"WriteLine",[3006,6323,3053],{"class":3027},[3006,6325,4049],{"class":3023},[3006,6327,3037],{"class":3027},[3006,6329,5680],{"class":3023},[3006,6331,3037],{"class":3027},[3006,6333,4129],{"class":3023},[3006,6335,6336],{"class":3027},"); ",[3006,6338,6339],{"class":3012},"// N SQL (Lazy Loading або виняток)\n",[3006,6341,6342],{"class":3008,"line":3117},[3006,6343,6344],{"class":3027},"}\n",[3006,6346,6347],{"class":3008,"line":3123},[3006,6348,3114],{"emptyLinePlaceholder":3113},[3006,6350,6351],{"class":3008,"line":3129},[3006,6352,6353],{"class":3012},"// ✅ ПРАВИЛЬНО: один запит з JOIN\n",[3006,6355,6356,6358,6360,6362,6364,6366,6368],{"class":3008,"line":3135},[3006,6357,3020],{"class":3019},[3006,6359,6261],{"class":3023},[3006,6361,3028],{"class":3027},[3006,6363,3031],{"class":3019},[3006,6365,3034],{"class":3023},[3006,6367,3037],{"class":3027},[3006,6369,3410],{"class":3023},[3006,6371,6372,6374,6376,6378,6380,6382,6384,6386,6388],{"class":3008,"line":3153},[3006,6373,3046],{"class":3027},[3006,6375,4545],{"class":3049},[3006,6377,3053],{"class":3027},[3006,6379,3421],{"class":3023},[3006,6381,3058],{"class":3027},[3006,6383,3421],{"class":3023},[3006,6385,3037],{"class":3027},[3006,6387,5680],{"class":3023},[3006,6389,3463],{"class":3027},[3006,6391,6392,6394,6396,6398],{"class":3008,"line":3195},[3006,6393,3046],{"class":3027},[3006,6395,3098],{"class":3049},[3006,6397,6279],{"class":3027},[3006,6399,6400],{"class":3012},"// 1 SQL з JOIN\n",[3006,6402,6403],{"class":3008,"line":3204},[3006,6404,3114],{"emptyLinePlaceholder":3113},[3006,6406,6407],{"class":3008,"line":4148},[3006,6408,6409],{"class":3012},"// Або проєкція:\n",[3006,6411,6412,6414,6417,6419,6421,6423,6425],{"class":3008,"line":4154},[3006,6413,3020],{"class":3019},[3006,6415,6416],{"class":3023}," orderDtos",[3006,6418,3028],{"class":3027},[3006,6420,3031],{"class":3019},[3006,6422,3034],{"class":3023},[3006,6424,3037],{"class":3027},[3006,6426,3410],{"class":3023},[3006,6428,6429,6431,6433,6435,6437,6439,6441,6443,6445,6447,6449,6451,6454,6456,6458,6460,6462,6464,6466],{"class":3008,"line":4160},[3006,6430,3046],{"class":3027},[3006,6432,3731],{"class":3049},[3006,6434,3053],{"class":3027},[3006,6436,3421],{"class":3023},[3006,6438,3058],{"class":3027},[3006,6440,3914],{"class":3019},[3006,6442,3917],{"class":3027},[3006,6444,3421],{"class":3023},[3006,6446,3037],{"class":3027},[3006,6448,3767],{"class":3023},[3006,6450,3083],{"class":3027},[3006,6452,6453],{"class":3023},"CustomerName",[3006,6455,3028],{"class":3027},[3006,6457,3421],{"class":3023},[3006,6459,3037],{"class":3027},[3006,6461,5680],{"class":3023},[3006,6463,3037],{"class":3027},[3006,6465,4129],{"class":3023},[3006,6467,3952],{"class":3027},[3006,6469,6470,6472,6474,6476],{"class":3008,"line":4188},[3006,6471,3046],{"class":3027},[3006,6473,3098],{"class":3049},[3006,6475,6279],{"class":3027},[3006,6477,6478],{"class":3012},"// 1 SQL з JOIN у SELECT\n",[2992,6480,6482],{"id":6481},"помилка-3-count-у-циклі","Помилка 3: Count у циклі",[2997,6484,6486],{"className":2999,"code":6485,"language":3001,"meta":3002,"style":3002},"// ❌ N+1 з Count\nvar categories = await context.Categories.ToListAsync();\nforeach (var cat in categories)\n{\n    int count = cat.Products.Count(); // N SQL! Lazy Loading або Exception\n}\n\n// ✅ ПРАВИЛЬНО: агрегація у Select\nvar categoriesWithCount = await context.Categories\n    .Select(c => new { c.Name, ProductCount = c.Products.Count() })\n    .ToListAsync(); // 1 SQL з COUNT у підзапиті\n",[2983,6487,6488,6493,6517,6534,6538,6564,6568,6572,6577,6594,6636],{"__ignoreMap":3002},[3006,6489,6490],{"class":3008,"line":3009},[3006,6491,6492],{"class":3012},"// ❌ N+1 з Count\n",[3006,6494,6495,6497,6500,6502,6504,6506,6508,6511,6513,6515],{"class":3008,"line":3016},[3006,6496,3020],{"class":3019},[3006,6498,6499],{"class":3023}," categories",[3006,6501,3028],{"class":3027},[3006,6503,3031],{"class":3019},[3006,6505,3034],{"class":3023},[3006,6507,3037],{"class":3027},[3006,6509,6510],{"class":3023},"Categories",[3006,6512,3037],{"class":3027},[3006,6514,3098],{"class":3049},[3006,6516,3101],{"class":3027},[3006,6518,6519,6521,6523,6525,6528,6530,6532],{"class":3008,"line":3043},[3006,6520,6292],{"class":6291},[3006,6522,6295],{"class":3027},[3006,6524,3020],{"class":3019},[3006,6526,6527],{"class":3023}," cat",[3006,6529,6303],{"class":6291},[3006,6531,6499],{"class":3023},[3006,6533,3463],{"class":3027},[3006,6535,6536],{"class":3008,"line":3093},[3006,6537,5756],{"class":3027},[3006,6539,6540,6543,6546,6548,6550,6552,6554,6556,6559,6561],{"class":3008,"line":3104},[3006,6541,6542],{"class":3019},"    int",[3006,6544,6545],{"class":3023}," count",[3006,6547,3028],{"class":3027},[3006,6549,4314],{"class":3023},[3006,6551,3037],{"class":3027},[3006,6553,4283],{"class":3023},[3006,6555,3037],{"class":3027},[3006,6557,6558],{"class":3049},"Count",[3006,6560,6279],{"class":3027},[3006,6562,6563],{"class":3012},"// N SQL! Lazy Loading або Exception\n",[3006,6565,6566],{"class":3008,"line":3110},[3006,6567,6344],{"class":3027},[3006,6569,6570],{"class":3008,"line":3117},[3006,6571,3114],{"emptyLinePlaceholder":3113},[3006,6573,6574],{"class":3008,"line":3123},[3006,6575,6576],{"class":3012},"// ✅ ПРАВИЛЬНО: агрегація у Select\n",[3006,6578,6579,6581,6584,6586,6588,6590,6592],{"class":3008,"line":3129},[3006,6580,3020],{"class":3019},[3006,6582,6583],{"class":3023}," categoriesWithCount",[3006,6585,3028],{"class":3027},[3006,6587,3031],{"class":3019},[3006,6589,3034],{"class":3023},[3006,6591,3037],{"class":3027},[3006,6593,4266],{"class":3023},[3006,6595,6596,6598,6600,6602,6604,6606,6608,6610,6612,6614,6616,6618,6621,6623,6625,6627,6629,6631,6633],{"class":3008,"line":3135},[3006,6597,3046],{"class":3027},[3006,6599,3731],{"class":3049},[3006,6601,3053],{"class":3027},[3006,6603,5923],{"class":3023},[3006,6605,3058],{"class":3027},[3006,6607,3914],{"class":3019},[3006,6609,3917],{"class":3027},[3006,6611,5923],{"class":3023},[3006,6613,3037],{"class":3027},[3006,6615,3080],{"class":3023},[3006,6617,3083],{"class":3027},[3006,6619,6620],{"class":3023},"ProductCount",[3006,6622,3028],{"class":3027},[3006,6624,5923],{"class":3023},[3006,6626,3037],{"class":3027},[3006,6628,4283],{"class":3023},[3006,6630,3037],{"class":3027},[3006,6632,6558],{"class":3049},[3006,6634,6635],{"class":3027},"() })\n",[3006,6637,6638,6640,6642,6644],{"class":3008,"line":3153},[3006,6639,3046],{"class":3027},[3006,6641,3098],{"class":3049},[3006,6643,6279],{"class":3027},[3006,6645,6646],{"class":3012},"// 1 SQL з COUNT у підзапиті\n",[2992,6648,6650],{"id":6649},"помилка-4-нетрансльовний-вираз-у-середині-запиту","Помилка 4: Нетрансльовний вираз у середині запиту",[2997,6652,6654],{"className":2999,"code":6653,"language":3001,"meta":3002,"style":3002},"// ❌ Метод, що не транслюється\nvar products = await context.Products\n    .Where(p => MyBizRule(p.Price, p.CategoryId)) // InvalidOperationException!\n    .ToListAsync();\n\n// ✅ Завантажити необхідне і фільтрувати в C#\n// (якщо таблиця відносно невелика і фільтр розумний)\nvar candidates = await context.Products\n    .Where(p => p.IsActive)  // SQL фільтр\n    .ToListAsync();\n\nvar filtered = candidates.Where(p => MyBizRule(p.Price, p.CategoryId)).ToList();\n",[2983,6655,6656,6661,6677,6713,6721,6725,6730,6735,6752,6776,6784,6788],{"__ignoreMap":3002},[3006,6657,6658],{"class":3008,"line":3009},[3006,6659,6660],{"class":3012},"// ❌ Метод, що не транслюється\n",[3006,6662,6663,6665,6667,6669,6671,6673,6675],{"class":3008,"line":3016},[3006,6664,3020],{"class":3019},[3006,6666,3024],{"class":3023},[3006,6668,3028],{"class":3027},[3006,6670,3031],{"class":3019},[3006,6672,3034],{"class":3023},[3006,6674,3037],{"class":3027},[3006,6676,3040],{"class":3023},[3006,6678,6679,6681,6683,6685,6687,6689,6692,6694,6696,6698,6700,6702,6704,6706,6708,6710],{"class":3008,"line":3043},[3006,6680,3046],{"class":3027},[3006,6682,3050],{"class":3049},[3006,6684,3053],{"class":3027},[3006,6686,2963],{"class":3023},[3006,6688,3058],{"class":3027},[3006,6690,6691],{"class":3049},"MyBizRule",[3006,6693,3053],{"class":3027},[3006,6695,2963],{"class":3023},[3006,6697,3037],{"class":3027},[3006,6699,3932],{"class":3023},[3006,6701,3083],{"class":3027},[3006,6703,2963],{"class":3023},[3006,6705,3037],{"class":3027},[3006,6707,4335],{"class":3023},[3006,6709,3189],{"class":3027},[3006,6711,6712],{"class":3012},"// InvalidOperationException!\n",[3006,6714,6715,6717,6719],{"class":3008,"line":3093},[3006,6716,3046],{"class":3027},[3006,6718,3098],{"class":3049},[3006,6720,3101],{"class":3027},[3006,6722,6723],{"class":3008,"line":3104},[3006,6724,3114],{"emptyLinePlaceholder":3113},[3006,6726,6727],{"class":3008,"line":3110},[3006,6728,6729],{"class":3012},"// ✅ Завантажити необхідне і фільтрувати в C#\n",[3006,6731,6732],{"class":3008,"line":3117},[3006,6733,6734],{"class":3012},"// (якщо таблиця відносно невелика і фільтр розумний)\n",[3006,6736,6737,6739,6742,6744,6746,6748,6750],{"class":3008,"line":3123},[3006,6738,3020],{"class":3019},[3006,6740,6741],{"class":3023}," candidates",[3006,6743,3028],{"class":3027},[3006,6745,3031],{"class":3019},[3006,6747,3034],{"class":3023},[3006,6749,3037],{"class":3027},[3006,6751,3040],{"class":3023},[3006,6753,6754,6756,6758,6760,6762,6764,6766,6768,6770,6773],{"class":3008,"line":3129},[3006,6755,3046],{"class":3027},[3006,6757,3050],{"class":3049},[3006,6759,3053],{"class":3027},[3006,6761,2963],{"class":3023},[3006,6763,3058],{"class":3027},[3006,6765,2963],{"class":3023},[3006,6767,3037],{"class":3027},[3006,6769,4300],{"class":3023},[3006,6771,6772],{"class":3027},")  ",[3006,6774,6775],{"class":3012},"// SQL фільтр\n",[3006,6777,6778,6780,6782],{"class":3008,"line":3135},[3006,6779,3046],{"class":3027},[3006,6781,3098],{"class":3049},[3006,6783,3101],{"class":3027},[3006,6785,6786],{"class":3008,"line":3153},[3006,6787,3114],{"emptyLinePlaceholder":3113},[3006,6789,6790,6792,6795,6797,6800,6802,6804,6806,6808,6810,6812,6814,6816,6818,6820,6822,6824,6826,6828,6831,6833],{"class":3008,"line":3195},[3006,6791,3020],{"class":3019},[3006,6793,6794],{"class":3023}," filtered",[3006,6796,3028],{"class":3027},[3006,6798,6799],{"class":3023},"candidates",[3006,6801,3037],{"class":3027},[3006,6803,3050],{"class":3049},[3006,6805,3053],{"class":3027},[3006,6807,2963],{"class":3023},[3006,6809,3058],{"class":3027},[3006,6811,6691],{"class":3049},[3006,6813,3053],{"class":3027},[3006,6815,2963],{"class":3023},[3006,6817,3037],{"class":3027},[3006,6819,3932],{"class":3023},[3006,6821,3083],{"class":3027},[3006,6823,2963],{"class":3023},[3006,6825,3037],{"class":3027},[3006,6827,4335],{"class":3023},[3006,6829,6830],{"class":3027},")).",[3006,6832,6181],{"class":3049},[3006,6834,3101],{"class":3027},[2992,6836,6838],{"id":6837},"помилка-5-забути-await","Помилка 5: Забути await",[2997,6840,6842],{"className":2999,"code":6841,"language":3001,"meta":3002,"style":3002},"// ❌ Повертає Task\u003CList\u003CT>>, не List\u003CT>\nvar products = context.Products.ToListAsync(); // Task без await!\n// products — це Task, не список\n\n// ✅ Завжди await\nvar products = await context.Products.ToListAsync();\n",[2983,6843,6844,6849,6872,6877,6881,6886],{"__ignoreMap":3002},[3006,6845,6846],{"class":3008,"line":3009},[3006,6847,6848],{"class":3012},"// ❌ Повертає Task\u003CList\u003CT>>, не List\u003CT>\n",[3006,6850,6851,6853,6855,6857,6859,6861,6863,6865,6867,6869],{"class":3008,"line":3016},[3006,6852,3020],{"class":3019},[3006,6854,3024],{"class":3023},[3006,6856,3028],{"class":3027},[3006,6858,4800],{"class":3023},[3006,6860,3037],{"class":3027},[3006,6862,4283],{"class":3023},[3006,6864,3037],{"class":3027},[3006,6866,3098],{"class":3049},[3006,6868,6279],{"class":3027},[3006,6870,6871],{"class":3012},"// Task без await!\n",[3006,6873,6874],{"class":3008,"line":3043},[3006,6875,6876],{"class":3012},"// products — це Task, не список\n",[3006,6878,6879],{"class":3008,"line":3093},[3006,6880,3114],{"emptyLinePlaceholder":3113},[3006,6882,6883],{"class":3008,"line":3104},[3006,6884,6885],{"class":3012},"// ✅ Завжди await\n",[3006,6887,6888,6890,6892,6894,6896,6898,6900,6902,6904,6906],{"class":3008,"line":3110},[3006,6889,3020],{"class":3019},[3006,6891,3024],{"class":3023},[3006,6893,3028],{"class":3027},[3006,6895,3031],{"class":3019},[3006,6897,3034],{"class":3023},[3006,6899,3037],{"class":3027},[3006,6901,4283],{"class":3023},[3006,6903,3037],{"class":3027},[3006,6905,3098],{"class":3049},[3006,6907,3101],{"class":3027},[2973,6909],{},[2976,6911,6913],{"id":6912},"best-practices-для-продуктивних-linq-запитів","Best Practices для продуктивних LINQ-запитів",[2992,6915,6917],{"id":6916},"_1-завжди-проєктуйте-те-що-потрібно","1. Завжди проєктуйте те, що потрібно",[2997,6919,6921],{"className":2999,"code":6920,"language":3001,"meta":3002,"style":3002},"// ❌ SELECT * — завантажуємо зайве\nvar products = await context.Products.Include(p => p.Reviews).ToListAsync();\n\n// ✅ SELECT тільки потрібне\nvar summaries = await context.Products\n    .Select(p => new ProductSummaryDto\n    {\n        Id      = p.Id,\n        Name    = p.Name,\n        Rating  = p.Reviews.Any() ? p.Reviews.Average(r => r.Rating) : 0\n    })\n    .ToListAsync();\n",[2983,6922,6923,6928,6966,6970,6975,6992,7009,7013,7029,7045,7096,7100],{"__ignoreMap":3002},[3006,6924,6925],{"class":3008,"line":3009},[3006,6926,6927],{"class":3012},"// ❌ SELECT * — завантажуємо зайве\n",[3006,6929,6930,6932,6934,6936,6938,6940,6942,6944,6946,6948,6950,6952,6954,6956,6958,6960,6962,6964],{"class":3008,"line":3016},[3006,6931,3020],{"class":3019},[3006,6933,3024],{"class":3023},[3006,6935,3028],{"class":3027},[3006,6937,3031],{"class":3019},[3006,6939,3034],{"class":3023},[3006,6941,3037],{"class":3027},[3006,6943,4283],{"class":3023},[3006,6945,3037],{"class":3027},[3006,6947,4545],{"class":3049},[3006,6949,3053],{"class":3027},[3006,6951,2963],{"class":3023},[3006,6953,3058],{"class":3027},[3006,6955,2963],{"class":3023},[3006,6957,3037],{"class":3027},[3006,6959,5366],{"class":3023},[3006,6961,4956],{"class":3027},[3006,6963,3098],{"class":3049},[3006,6965,3101],{"class":3027},[3006,6967,6968],{"class":3008,"line":3043},[3006,6969,3114],{"emptyLinePlaceholder":3113},[3006,6971,6972],{"class":3008,"line":3093},[3006,6973,6974],{"class":3012},"// ✅ SELECT тільки потрібне\n",[3006,6976,6977,6979,6982,6984,6986,6988,6990],{"class":3008,"line":3104},[3006,6978,3020],{"class":3019},[3006,6980,6981],{"class":3023}," summaries",[3006,6983,3028],{"class":3027},[3006,6985,3031],{"class":3019},[3006,6987,3034],{"class":3023},[3006,6989,3037],{"class":3027},[3006,6991,3040],{"class":3023},[3006,6993,6994,6996,6998,7000,7002,7004,7006],{"class":3008,"line":3110},[3006,6995,3046],{"class":3027},[3006,6997,3731],{"class":3049},[3006,6999,3053],{"class":3027},[3006,7001,2963],{"class":3023},[3006,7003,3058],{"class":3027},[3006,7005,3914],{"class":3019},[3006,7007,7008],{"class":5741}," ProductSummaryDto\n",[3006,7010,7011],{"class":3008,"line":3117},[3006,7012,3745],{"class":3027},[3006,7014,7015,7018,7021,7023,7025,7027],{"class":3008,"line":3123},[3006,7016,7017],{"class":3023},"        Id",[3006,7019,7020],{"class":3027},"      = ",[3006,7022,2963],{"class":3023},[3006,7024,3037],{"class":3027},[3006,7026,3755],{"class":3023},[3006,7028,3758],{"class":3027},[3006,7030,7031,7034,7037,7039,7041,7043],{"class":3008,"line":3129},[3006,7032,7033],{"class":3023},"        Name",[3006,7035,7036],{"class":3027},"    = ",[3006,7038,2963],{"class":3023},[3006,7040,3037],{"class":3027},[3006,7042,3080],{"class":3023},[3006,7044,3758],{"class":3027},[3006,7046,7047,7050,7052,7054,7056,7058,7060,7063,7066,7068,7070,7072,7074,7077,7079,7081,7083,7085,7087,7090,7093],{"class":3008,"line":3135},[3006,7048,7049],{"class":3023},"        Rating",[3006,7051,4444],{"class":3027},[3006,7053,2963],{"class":3023},[3006,7055,3037],{"class":3027},[3006,7057,5366],{"class":3023},[3006,7059,3037],{"class":3027},[3006,7061,7062],{"class":3049},"Any",[3006,7064,7065],{"class":3027},"() ? ",[3006,7067,2963],{"class":3023},[3006,7069,3037],{"class":3027},[3006,7071,5366],{"class":3023},[3006,7073,3037],{"class":3027},[3006,7075,7076],{"class":3049},"Average",[3006,7078,3053],{"class":3027},[3006,7080,5258],{"class":3023},[3006,7082,3058],{"class":3027},[3006,7084,5258],{"class":3023},[3006,7086,3037],{"class":3027},[3006,7088,7089],{"class":3023},"Rating",[3006,7091,7092],{"class":3027},") : ",[3006,7094,7095],{"class":3459},"0\n",[3006,7097,7098],{"class":3008,"line":3153},[3006,7099,3812],{"class":3027},[3006,7101,7102,7104,7106],{"class":3008,"line":3195},[3006,7103,3046],{"class":3027},[3006,7105,3098],{"class":3049},[3006,7107,3101],{"class":3027},[2992,7109,7111],{"id":7110},"_2-asnotracking-для-read-only","2. AsNoTracking для read-only",[2997,7113,7115],{"className":2999,"code":7114,"language":3001,"meta":3002,"style":3002},"// Read-only endpoints завжди з AsNoTracking\nvar list = await context.Products.AsNoTracking().Select(p => new DTO { ... }).ToListAsync();\n",[2983,7116,7117,7122],{"__ignoreMap":3002},[3006,7118,7119],{"class":3008,"line":3009},[3006,7120,7121],{"class":3012},"// Read-only endpoints завжди з AsNoTracking\n",[3006,7123,7124,7126,7129,7131,7133,7135,7137,7139,7141,7143,7146,7148,7150,7152,7154,7156,7159,7162,7164],{"class":3008,"line":3016},[3006,7125,3020],{"class":3019},[3006,7127,7128],{"class":3023}," list",[3006,7130,3028],{"class":3027},[3006,7132,3031],{"class":3019},[3006,7134,3034],{"class":3023},[3006,7136,3037],{"class":3027},[3006,7138,4283],{"class":3023},[3006,7140,3037],{"class":3027},[3006,7142,5605],{"class":3049},[3006,7144,7145],{"class":3027},"().",[3006,7147,3731],{"class":3049},[3006,7149,3053],{"class":3027},[3006,7151,2963],{"class":3023},[3006,7153,3058],{"class":3027},[3006,7155,3914],{"class":3019},[3006,7157,7158],{"class":5741}," DTO",[3006,7160,7161],{"class":3027}," { ... }).",[3006,7163,3098],{"class":3049},[3006,7165,3101],{"class":3027},[2992,7167,7169],{"id":7168},"_3-перевіряйте-sql-через-логування","3. Перевіряйте SQL через логування",[2997,7171,7173],{"className":2999,"code":7172,"language":3001,"meta":3002,"style":3002},"// Реєстрація SQL логування у development:\nservices.AddDbContext\u003CAppDbContext>(options =>\n{\n    options.UseSqlServer(connectionString);\n    if (env.IsDevelopment())\n        options.LogTo(Console.WriteLine, LogLevel.Information)\n               .EnableSensitiveDataLogging();\n});\n",[2983,7174,7175,7180,7199,7203,7217,7235,7266,7276],{"__ignoreMap":3002},[3006,7176,7177],{"class":3008,"line":3009},[3006,7178,7179],{"class":3012},"// Реєстрація SQL логування у development:\n",[3006,7181,7182,7184,7186,7188,7190,7193,7195,7197],{"class":3008,"line":3016},[3006,7183,5730],{"class":3023},[3006,7185,3037],{"class":3027},[3006,7187,5735],{"class":3049},[3006,7189,5738],{"class":3027},[3006,7191,7192],{"class":5741},"AppDbContext",[3006,7194,5745],{"class":3027},[3006,7196,5748],{"class":3023},[3006,7198,5751],{"class":3027},[3006,7200,7201],{"class":3008,"line":3043},[3006,7202,5756],{"class":3027},[3006,7204,7205,7207,7209,7211,7213,7215],{"class":3008,"line":3093},[3006,7206,5761],{"class":3023},[3006,7208,3037],{"class":3027},[3006,7210,5766],{"class":3049},[3006,7212,3053],{"class":3027},[3006,7214,5771],{"class":3023},[3006,7216,4853],{"class":3027},[3006,7218,7219,7222,7224,7227,7229,7232],{"class":3008,"line":3104},[3006,7220,7221],{"class":6291},"    if",[3006,7223,6295],{"class":3027},[3006,7225,7226],{"class":3023},"env",[3006,7228,3037],{"class":3027},[3006,7230,7231],{"class":3049},"IsDevelopment",[3006,7233,7234],{"class":3027},"())\n",[3006,7236,7237,7240,7242,7245,7247,7250,7252,7254,7256,7259,7261,7264],{"class":3008,"line":3110},[3006,7238,7239],{"class":3023},"        options",[3006,7241,3037],{"class":3027},[3006,7243,7244],{"class":3049},"LogTo",[3006,7246,3053],{"class":3027},[3006,7248,7249],{"class":3023},"Console",[3006,7251,3037],{"class":3027},[3006,7253,6321],{"class":3023},[3006,7255,3083],{"class":3027},[3006,7257,7258],{"class":3023},"LogLevel",[3006,7260,3037],{"class":3027},[3006,7262,7263],{"class":3023},"Information",[3006,7265,3463],{"class":3027},[3006,7267,7268,7271,7274],{"class":3008,"line":3117},[3006,7269,7270],{"class":3027},"               .",[3006,7272,7273],{"class":3049},"EnableSensitiveDataLogging",[3006,7275,3101],{"class":3027},[3006,7277,7278],{"class":3008,"line":3123},[3006,7279,5798],{"class":3027},[2992,7281,7283],{"id":7282},"_4-iqueryable-як-параметр-репозиторію","4. IQueryable як параметр репозиторію",[2997,7285,7287],{"className":2999,"code":7286,"language":3001,"meta":3002,"style":3002},"// ✅ Передаємо IQueryable, а не IEnumerable\npublic async Task\u003CList\u003CProductDto>> GetProductsAsync(\n    IQueryable\u003CProduct> query)  // гнучкий — можна додати Where, Skip, Take ззовні\n{\n    return await query\n        .AsNoTracking()\n        .Select(p => new ProductDto { Id = p.Id, Name = p.Name })\n        .ToListAsync();\n}\n",[2983,7288,7289,7294,7323,7343,7347,7358,7367,7410,7418],{"__ignoreMap":3002},[3006,7290,7291],{"class":3008,"line":3009},[3006,7292,7293],{"class":3012},"// ✅ Передаємо IQueryable, а не IEnumerable\n",[3006,7295,7296,7299,7302,7305,7307,7310,7312,7315,7318,7321],{"class":3008,"line":3016},[3006,7297,7298],{"class":3019},"public",[3006,7300,7301],{"class":3019}," async",[3006,7303,7304],{"class":5741}," Task",[3006,7306,5738],{"class":3027},[3006,7308,7309],{"class":5741},"List",[3006,7311,5738],{"class":3027},[3006,7313,7314],{"class":5741},"ProductDto",[3006,7316,7317],{"class":3027},">> ",[3006,7319,7320],{"class":3049},"GetProductsAsync",[3006,7322,4026],{"class":3027},[3006,7324,7325,7328,7330,7332,7335,7338,7340],{"class":3008,"line":3043},[3006,7326,7327],{"class":5741},"    IQueryable",[3006,7329,5738],{"class":3027},[3006,7331,4669],{"class":5741},[3006,7333,7334],{"class":3027},"> ",[3006,7336,7337],{"class":3023},"query",[3006,7339,6772],{"class":3027},[3006,7341,7342],{"class":3012},"// гнучкий — можна додати Where, Skip, Take ззовні\n",[3006,7344,7345],{"class":3008,"line":3093},[3006,7346,5756],{"class":3027},[3006,7348,7349,7352,7355],{"class":3008,"line":3104},[3006,7350,7351],{"class":6291},"    return",[3006,7353,7354],{"class":3019}," await",[3006,7356,7357],{"class":3023}," query\n",[3006,7359,7360,7363,7365],{"class":3008,"line":3110},[3006,7361,7362],{"class":3027},"        .",[3006,7364,5605],{"class":3049},[3006,7366,5608],{"class":3027},[3006,7368,7369,7371,7373,7375,7377,7379,7381,7384,7386,7388,7390,7392,7394,7396,7398,7400,7402,7404,7406,7408],{"class":3008,"line":3117},[3006,7370,7362],{"class":3027},[3006,7372,3731],{"class":3049},[3006,7374,3053],{"class":3027},[3006,7376,2963],{"class":3023},[3006,7378,3058],{"class":3027},[3006,7380,3914],{"class":3019},[3006,7382,7383],{"class":5741}," ProductDto",[3006,7385,3917],{"class":3027},[3006,7387,3755],{"class":3023},[3006,7389,3028],{"class":3027},[3006,7391,2963],{"class":3023},[3006,7393,3037],{"class":3027},[3006,7395,3755],{"class":3023},[3006,7397,3083],{"class":3027},[3006,7399,3080],{"class":3023},[3006,7401,3028],{"class":3027},[3006,7403,2963],{"class":3023},[3006,7405,3037],{"class":3027},[3006,7407,3080],{"class":3023},[3006,7409,3952],{"class":3027},[3006,7411,7412,7414,7416],{"class":3008,"line":3123},[3006,7413,7362],{"class":3027},[3006,7415,3098],{"class":3049},[3006,7417,3101],{"class":3027},[3006,7419,7420],{"class":3008,"line":3129},[3006,7421,6344],{"class":3027},[2992,7423,7425],{"id":7424},"_5-compiled-queries-для-часто-виконуваних-запитів","5. Compiled Queries для часто виконуваних запитів",[2997,7427,7429],{"className":2999,"code":7428,"language":3001,"meta":3002,"style":3002},"// Compiled Query: компілюється один раз, виконується швидше\nprivate static readonly Func\u003CAppDbContext, int, Task\u003CProduct?>> GetProductById =\n    EF.CompileAsyncQuery((AppDbContext ctx, int id) =>\n        ctx.Products.FirstOrDefault(p => p.Id == id));\n\n// Виклик:\nvar product = await GetProductById(context, productId);\n// Перший виклик: компілює LINQ у SQL\n// Наступні: використовує скомпільований план\n",[2983,7430,7431,7436,7477,7505,7539,7543,7548,7573,7578],{"__ignoreMap":3002},[3006,7432,7433],{"class":3008,"line":3009},[3006,7434,7435],{"class":3012},"// Compiled Query: компілюється один раз, виконується швидше\n",[3006,7437,7438,7441,7444,7447,7450,7452,7454,7456,7459,7461,7464,7466,7468,7471,7474],{"class":3008,"line":3016},[3006,7439,7440],{"class":3019},"private",[3006,7442,7443],{"class":3019}," static",[3006,7445,7446],{"class":3019}," readonly",[3006,7448,7449],{"class":5741}," Func",[3006,7451,5738],{"class":3027},[3006,7453,7192],{"class":5741},[3006,7455,3083],{"class":3027},[3006,7457,7458],{"class":3019},"int",[3006,7460,3083],{"class":3027},[3006,7462,7463],{"class":5741},"Task",[3006,7465,5738],{"class":3027},[3006,7467,4669],{"class":5741},[3006,7469,7470],{"class":3027},"?>> ",[3006,7472,7473],{"class":3023},"GetProductById",[3006,7475,7476],{"class":3027}," =\n",[3006,7478,7479,7482,7484,7487,7490,7492,7495,7497,7499,7502],{"class":3008,"line":3043},[3006,7480,7481],{"class":3023},"    EF",[3006,7483,3037],{"class":3027},[3006,7485,7486],{"class":3049},"CompileAsyncQuery",[3006,7488,7489],{"class":3027},"((",[3006,7491,7192],{"class":5741},[3006,7493,7494],{"class":3023}," ctx",[3006,7496,3083],{"class":3027},[3006,7498,7458],{"class":3019},[3006,7500,7501],{"class":3023}," id",[3006,7503,7504],{"class":3027},") =>\n",[3006,7506,7507,7510,7512,7514,7516,7519,7521,7523,7525,7527,7529,7531,7533,7536],{"class":3008,"line":3093},[3006,7508,7509],{"class":3023},"        ctx",[3006,7511,3037],{"class":3027},[3006,7513,4283],{"class":3023},[3006,7515,3037],{"class":3027},[3006,7517,7518],{"class":3049},"FirstOrDefault",[3006,7520,3053],{"class":3027},[3006,7522,2963],{"class":3023},[3006,7524,3058],{"class":3027},[3006,7526,2963],{"class":3023},[3006,7528,3037],{"class":3027},[3006,7530,3755],{"class":3023},[3006,7532,3894],{"class":3027},[3006,7534,7535],{"class":3023},"id",[3006,7537,7538],{"class":3027},"));\n",[3006,7540,7541],{"class":3008,"line":3104},[3006,7542,3114],{"emptyLinePlaceholder":3113},[3006,7544,7545],{"class":3008,"line":3110},[3006,7546,7547],{"class":3012},"// Виклик:\n",[3006,7549,7550,7552,7555,7557,7559,7562,7564,7566,7568,7571],{"class":3008,"line":3117},[3006,7551,3020],{"class":3019},[3006,7553,7554],{"class":3023}," product",[3006,7556,3028],{"class":3027},[3006,7558,3031],{"class":3019},[3006,7560,7561],{"class":3049}," GetProductById",[3006,7563,3053],{"class":3027},[3006,7565,4800],{"class":3023},[3006,7567,3083],{"class":3027},[3006,7569,7570],{"class":3023},"productId",[3006,7572,4853],{"class":3027},[3006,7574,7575],{"class":3008,"line":3123},[3006,7576,7577],{"class":3012},"// Перший виклик: компілює LINQ у SQL\n",[3006,7579,7580],{"class":3008,"line":3129},[3006,7581,7582],{"class":3012},"// Наступні: використовує скомпільований план\n",[2973,7584],{},[2976,7586,7588],{"id":7587},"практичні-завдання-частина-2","Практичні завдання (Частина 2)",[2992,7590,7592],{"id":7591},"рівень-1-базовий","Рівень 1 — Базовий",[7594,7595,7596,7601,7611,7640,7645,7651,7676,7684,7689,7698,7711],"steps",{},[2963,7597,7598],{},[4539,7599,7600],{},"Завдання 1.1: EF.Functions на практиці",[2963,7602,7603,7604,7607,7608,7610],{},"Для ",[2983,7605,7606],{},"Employee"," (Id, FirstName, LastName, HireDate, Salary) напишіть запити через ",[2983,7609,2985],{},":",[7612,7613,7614,7621,7634],"ul",{},[7615,7616,7617,7618],"li",{},"Всі, найняті більше 2 років тому: ",[2983,7619,7620],{},"DateDiffDay(HireDate, NOW) >= 730",[7615,7622,7623,7624,7627,7628,7630,7631],{},"Повнотекстовий пошук по ",[2983,7625,7626],{},"LastName"," через ",[2983,7629,3071],{}," з wildcard: ",[2983,7632,7633],{},"%ченко%",[7615,7635,7636,7637],{},"(PostgreSQL) ILike для case-insensitive пошуку по ",[2983,7638,7639],{},"FirstName",[2963,7641,7642],{},[4539,7643,7644],{},"Завдання 1.2: Union для пошуку",[2963,7646,7647,7648,7610],{},"Реалізуйте пошуковий метод ",[2983,7649,7650],{},"SearchProductsAsync(string query)",[7652,7653,7654,7664,7670],"ol",{},[7615,7655,7656,7657,7659,7660,7663],{},"Точний збіг по ",[2983,7658,3080],{}," або ",[2983,7661,7662],{},"Sku"," (ранг 1)",[7615,7665,7666,7667,7669],{},"Частковий збіг по ",[2983,7668,3080],{}," (ранг 2)",[7615,7671,7672,7673,7675],{},"Збіг по ",[2983,7674,3270],{}," (ранг 3)",[2963,7677,7678,7679,7681,7682,3037],{},"Результати: ",[2983,7680,4948],{}," трьох запитів, впорядковані по рангу, потім по ",[2983,7683,3932],{},[2963,7685,7686],{},[4539,7687,7688],{},"Завдання 1.3: AsNoTracking аудит",[2963,7690,7603,7691,7693,7694,7697],{},[2983,7692,4603],{}," з ",[2983,7695,7696],{},"Include(Customer)"," напишіть два варіанти:",[7652,7699,7700,7706],{},[7615,7701,7702,7703],{},"З трекінгом → виміряйте кількість ",[2983,7704,7705],{},"context.ChangeTracker.Entries().Count()",[7615,7707,7708,7710],{},[2983,7709,5605],{}," → те ж вимірювання",[2963,7712,7713],{},"Поясніть різницю у контексті реального API endpoint.",[2992,7715,7717],{"id":7716},"рівень-2-логіка","Рівень 2 — Логіка",[7594,7719,7720,7725,7728,7735,7740,7743],{},[2963,7721,7722],{},[4539,7723,7724],{},"Завдання 2.1: Складний звіт без N+1",[2963,7726,7727],{},"Напишіть запит для «Звіту по продуктивності менеджерів» де кожен менеджер має: FullName, TotalOrders, TotalRevenue, AvgOrderValue, TopProductName (найчастіше замовлений продукт).",[2963,7729,7730,7731,7734],{},"Все одним запитом, без N+1. Підказка: ",[2983,7732,7733],{},"TopProductName"," вимагає correlated subquery.",[2963,7736,7737],{},[4539,7738,7739],{},"Завдання 2.2: Except для виявлення «порожніх» категорій",[2963,7741,7742],{},"Знайдіть категорії, що мають продукти, але жодне замовлення ще не містить ці продукти:",[7612,7744,7745,7751,7754],{},[7615,7746,7747,7748],{},"Категорії з продуктами: ",[2983,7749,7750],{},"context.Categories.Where(c => c.Products.Any())",[7615,7752,7753],{},"Категорії у замовленнях: отримати через OrderItems → Products → CategoryId",[7615,7755,7756,7757],{},"Різниця через ",[2983,7758,5464],{},[2992,7760,7762],{"id":7761},"рівень-3-архітектура","Рівень 3 — Архітектура",[7594,7764,7765,7770,7773,8059,8062],{},[2963,7766,7767],{},[4539,7768,7769],{},"Завдання 3.1: Generic Repository з LINQ Specification",[2963,7771,7772],{},"Реалізуйте повний Generic Repository:",[2997,7774,7776],{"className":2999,"code":7775,"language":3001,"meta":3002,"style":3002},"public interface IRepository\u003CT> where T : BaseEntity\n{\n    Task\u003CT?> GetByIdAsync(int id);\n    Task\u003CList\u003CT>> GetAllAsync();\n    Task\u003CPagedResult\u003CT>> GetPagedAsync(int page, int pageSize, IQueryable\u003CT>? filter = null);\n    Task\u003CList\u003CTDto>> ProjectAsync\u003CTDto>(Expression\u003CFunc\u003CT, TDto>> selector,\n                                        Expression\u003CFunc\u003CT, bool>>? filter = null);\n    Task\u003Cint> CountAsync(Expression\u003CFunc\u003CT, bool>>? filter = null);\n    Task\u003Cbool> ExistsAsync(Expression\u003CFunc\u003CT, bool>> filter);\n}\n",[2983,7777,7778,7806,7810,7833,7852,7905,7952,7981,8020,8055],{"__ignoreMap":3002},[3006,7779,7780,7782,7785,7788,7790,7793,7795,7798,7801,7803],{"class":3008,"line":3009},[3006,7781,7298],{"class":3019},[3006,7783,7784],{"class":3019}," interface",[3006,7786,7787],{"class":5741}," IRepository",[3006,7789,5738],{"class":3027},[3006,7791,7792],{"class":5741},"T",[3006,7794,7334],{"class":3027},[3006,7796,7797],{"class":3019},"where",[3006,7799,7800],{"class":5741}," T",[3006,7802,4460],{"class":3027},[3006,7804,7805],{"class":5741},"BaseEntity\n",[3006,7807,7808],{"class":3008,"line":3016},[3006,7809,5756],{"class":3027},[3006,7811,7812,7815,7817,7819,7822,7825,7827,7829,7831],{"class":3008,"line":3043},[3006,7813,7814],{"class":5741},"    Task",[3006,7816,5738],{"class":3027},[3006,7818,7792],{"class":5741},[3006,7820,7821],{"class":3027},"?> ",[3006,7823,7824],{"class":3049},"GetByIdAsync",[3006,7826,3053],{"class":3027},[3006,7828,7458],{"class":3019},[3006,7830,7501],{"class":3023},[3006,7832,4853],{"class":3027},[3006,7834,7835,7837,7839,7841,7843,7845,7847,7850],{"class":3008,"line":3093},[3006,7836,7814],{"class":5741},[3006,7838,5738],{"class":3027},[3006,7840,7309],{"class":5741},[3006,7842,5738],{"class":3027},[3006,7844,7792],{"class":5741},[3006,7846,7317],{"class":3027},[3006,7848,7849],{"class":3049},"GetAllAsync",[3006,7851,3101],{"class":3027},[3006,7853,7854,7856,7858,7861,7863,7865,7867,7870,7872,7874,7877,7879,7881,7884,7886,7889,7891,7893,7896,7899,7901,7903],{"class":3008,"line":3104},[3006,7855,7814],{"class":5741},[3006,7857,5738],{"class":3027},[3006,7859,7860],{"class":5741},"PagedResult",[3006,7862,5738],{"class":3027},[3006,7864,7792],{"class":5741},[3006,7866,7317],{"class":3027},[3006,7868,7869],{"class":3049},"GetPagedAsync",[3006,7871,3053],{"class":3027},[3006,7873,7458],{"class":3019},[3006,7875,7876],{"class":3023}," page",[3006,7878,3083],{"class":3027},[3006,7880,7458],{"class":3019},[3006,7882,7883],{"class":3023}," pageSize",[3006,7885,3083],{"class":3027},[3006,7887,7888],{"class":5741},"IQueryable",[3006,7890,5738],{"class":3027},[3006,7892,7792],{"class":5741},[3006,7894,7895],{"class":3027},">? ",[3006,7897,7898],{"class":3023},"filter",[3006,7900,3028],{"class":3027},[3006,7902,4451],{"class":3019},[3006,7904,4853],{"class":3027},[3006,7906,7907,7909,7911,7913,7915,7918,7920,7923,7925,7927,7929,7932,7934,7937,7939,7941,7943,7945,7947,7950],{"class":3008,"line":3110},[3006,7908,7814],{"class":5741},[3006,7910,5738],{"class":3027},[3006,7912,7309],{"class":5741},[3006,7914,5738],{"class":3027},[3006,7916,7917],{"class":5741},"TDto",[3006,7919,7317],{"class":3027},[3006,7921,7922],{"class":3049},"ProjectAsync",[3006,7924,5738],{"class":3027},[3006,7926,7917],{"class":5741},[3006,7928,5745],{"class":3027},[3006,7930,7931],{"class":5741},"Expression",[3006,7933,5738],{"class":3027},[3006,7935,7936],{"class":5741},"Func",[3006,7938,5738],{"class":3027},[3006,7940,7792],{"class":5741},[3006,7942,3083],{"class":3027},[3006,7944,7917],{"class":5741},[3006,7946,7317],{"class":3027},[3006,7948,7949],{"class":3023},"selector",[3006,7951,3758],{"class":3027},[3006,7953,7954,7957,7959,7961,7963,7965,7967,7970,7973,7975,7977,7979],{"class":3008,"line":3117},[3006,7955,7956],{"class":5741},"                                        Expression",[3006,7958,5738],{"class":3027},[3006,7960,7936],{"class":5741},[3006,7962,5738],{"class":3027},[3006,7964,7792],{"class":5741},[3006,7966,3083],{"class":3027},[3006,7968,7969],{"class":3019},"bool",[3006,7971,7972],{"class":3027},">>? ",[3006,7974,7898],{"class":3023},[3006,7976,3028],{"class":3027},[3006,7978,4451],{"class":3019},[3006,7980,4853],{"class":3027},[3006,7982,7983,7985,7987,7989,7991,7994,7996,7998,8000,8002,8004,8006,8008,8010,8012,8014,8016,8018],{"class":3008,"line":3123},[3006,7984,7814],{"class":5741},[3006,7986,5738],{"class":3027},[3006,7988,7458],{"class":3019},[3006,7990,7334],{"class":3027},[3006,7992,7993],{"class":3049},"CountAsync",[3006,7995,3053],{"class":3027},[3006,7997,7931],{"class":5741},[3006,7999,5738],{"class":3027},[3006,8001,7936],{"class":5741},[3006,8003,5738],{"class":3027},[3006,8005,7792],{"class":5741},[3006,8007,3083],{"class":3027},[3006,8009,7969],{"class":3019},[3006,8011,7972],{"class":3027},[3006,8013,7898],{"class":3023},[3006,8015,3028],{"class":3027},[3006,8017,4451],{"class":3019},[3006,8019,4853],{"class":3027},[3006,8021,8022,8024,8026,8028,8030,8033,8035,8037,8039,8041,8043,8045,8047,8049,8051,8053],{"class":3008,"line":3129},[3006,8023,7814],{"class":5741},[3006,8025,5738],{"class":3027},[3006,8027,7969],{"class":3019},[3006,8029,7334],{"class":3027},[3006,8031,8032],{"class":3049},"ExistsAsync",[3006,8034,3053],{"class":3027},[3006,8036,7931],{"class":5741},[3006,8038,5738],{"class":3027},[3006,8040,7936],{"class":5741},[3006,8042,5738],{"class":3027},[3006,8044,7792],{"class":5741},[3006,8046,3083],{"class":3027},[3006,8048,7969],{"class":3019},[3006,8050,7317],{"class":3027},[3006,8052,7898],{"class":3023},[3006,8054,4853],{"class":3027},[3006,8056,8057],{"class":3008,"line":3135},[3006,8058,6344],{"class":3027},[2963,8060,8061],{},"Правила:",[7612,8063,8064,8072,8081],{},[7615,8065,8066,8068,8069,8071],{},[2983,8067,7849],{}," і ",[2983,8070,7824],{},": з трекінгом (для збереження змін)",[7615,8073,8074,8068,8076,8078,8079],{},[2983,8075,7922],{},[2983,8077,7869],{},": завжди ",[2983,8080,5605],{},[7615,8082,8083],{},"Всі методи паважають Global Query Filters",[2973,8085],{},[2976,8087,8089],{"id":8088},"підсумок-статті-16","Підсумок статті 16",[2963,8091,8092],{},"Ця стаття повністю розкрила LINQ у EF Core:",[2963,8094,8095],{},[4539,8096,8097],{},"Частина 1:",[7612,8099,8100,8110,8113,8123,8132,8148],{},[7615,8101,8102,8105,8106,8109],{},[2983,8103,8104],{},"IQueryable\u003CT>"," vs ",[2983,8107,8108],{},"IEnumerable\u003CT>"," — Expression Tree будується лазово, матеріалізується один раз",[7615,8111,8112],{},"Server vs Client Evaluation — EF Core 3+ кидає виняток при нетрансльовних виразах",[7615,8114,8115,3083,8117,3083,8119,8122],{},[2983,8116,3050],{},[2983,8118,3575],{},[2983,8120,8121],{},"Skip/Take"," — базові операції з правильним SQL",[7615,8124,8125,8127,8128,8131],{},[2983,8126,3731],{}," — проєкція уникає ",[2983,8129,8130],{},"SELECT *",", вкладені навігаційні → JOIN без Include",[7615,8133,8134,8137,8138,4234,8141,7627,8144,8147],{},[2983,8135,8136],{},"GroupBy"," — ",[2983,8139,8140],{},"GROUP BY",[2983,8142,8143],{},"HAVING",[2983,8145,8146],{},".Where()"," після GroupBy",[7615,8149,8150,3083,8152,3083,8155,3083,8157,8105,8160],{},[2983,8151,7062],{},[2983,8153,8154],{},"All",[2983,8156,6558],{},[2983,8158,8159],{},"Find",[2983,8161,7518],{},[2963,8163,8164],{},[4539,8165,8166],{},"Частина 2:",[7612,8168,8169,8184,8191,8200,8205,8212,8215],{},[7615,8170,8171,8137,8173,3083,8175,3083,8177,3083,8179,3083,8182],{},[2983,8172,2985],{},[2983,8174,3071],{},[2983,8176,3660],{},[2983,8178,3261],{},[2983,8180,8181],{},"DateDiff",[2983,8183,3792],{},[7615,8185,8186,8187,8190],{},"Складні JOIN — неявний через навігаційні, явний ",[2983,8188,8189],{},"Join/GroupJoin",", LEFT JOIN",[7615,8192,8193,3083,8195,3083,8197,8199],{},[2983,8194,4948],{},[2983,8196,5355],{},[2983,8198,5464],{}," — операції над Result Sets",[7615,8201,8202,8204],{},[2983,8203,5605],{}," — read-only запити без overhead Change Tracker",[7615,8206,8207,3083,8209,8211],{},[2983,8208,5870],{},[2983,8210,6067],{}," — дедублікація",[7615,8213,8214],{},"Типові помилки: N+1, завантаження у пам'ять, нетрансльовні вирази, забутий await",[7615,8216,8217],{},"Best Practices: проєкція, AsNoTracking, SQL-логування, Compiled Queries",[2963,8219,8220,8221,8225],{},"Наступна стаття — ",[2967,8222,8224],{"href":8223},"/csharp/ef-core/17.loading-related-data","Loading Related Data (стаття 17)"," — дає повне занурення у Eager Loading (Include/ThenInclude), Lazy Loading, Explicit Loading та Split Queries.",[2973,8227],{},[2976,8229,8231],{"id":8230},"додаткові-ресурси","Додаткові ресурси",[7612,8233,8234,8242,8248,8255,8262],{},[7615,8235,8236],{},[2967,8237,8241],{"href":8238,"rel":8239},"https://learn.microsoft.com/en-us/ef/core/querying/",[8240],"nofollow","Офіційна документація: Querying",[7615,8243,8244],{},[2967,8245,2985],{"href":8246,"rel":8247},"https://learn.microsoft.com/en-us/ef/core/querying/database-functions",[8240],[7615,8249,8250],{},[2967,8251,8254],{"href":8252,"rel":8253},"https://learn.microsoft.com/en-us/ef/core/querying/complex-query-operators",[8240],"Complex Query Operators",[7615,8256,8257],{},[2967,8258,8261],{"href":8259,"rel":8260},"https://learn.microsoft.com/en-us/ef/core/querying/client-eval",[8240],"Client vs Server Evaluation",[7615,8263,8264],{},[2967,8265,8268],{"href":8266,"rel":8267},"https://learn.microsoft.com/en-us/ef/core/performance/advanced-performance-topics#compiled-queries",[8240],"Compiled Queries",[8270,8271,8272],"style",{},"html pre.shiki code .spJ8K, html code.shiki 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складні JOIN, Union/Intersect/Except, AsNoTracking, Distinct, raw SQL у LINQ, типові помилки N+1 та LazyLoading у LINQ, best practices для продуктивних запитів.","md",null,{},{"title":559,"description":8319},"Hid-B8Ptl6s6s5fOytc-bq9IIenkS9Y4JZS54ExMBnk",[8326,8328],{"title":555,"path":556,"stem":557,"description":8327,"children":-1},"Глибокий розбір LINQ в EF Core — трансляція у SQL, IQueryable vs IEnumerable, Server vs Client Evaluation, проєкції Select, GroupBy, підзапити, складні умови фільтрації. Анатомія LINQ-виразу та типові помилки.",{"title":563,"path":564,"stem":565,"description":8329,"children":-1},"Eager Loading через Include і ThenInclude в EF Core — стратегії завантаження навігаційних властивостей, Filtered Include, Split Queries для оптимізації картезіанського вибуху, АuditableIncludes і типові помилки.",1777912592978]