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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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Частина 2","/html-css/css-layout-grid-advanced","12.html-css/16.css-layout-grid-advanced",{"title":2861,"path":2862,"stem":2863},"Позиціонування в CSS. Z-index. Stacking Context","/html-css/css-positioning","12.html-css/17.css-positioning",{"title":2865,"path":2866,"stem":2867},"CSS Анімації та Переходи","/html-css/css-animations-transitions","12.html-css/18.css-animations-transitions",{"title":2869,"path":2870,"stem":2871},"Адаптивний дизайн. Media Queries. Частина 1","/html-css/css-responsive-media-queries","12.html-css/19.css-responsive-media-queries",{"title":2873,"path":2874,"stem":2875},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","/html-css/css-responsive-advanced","12.html-css/20.css-responsive-advanced",{"title":2877,"path":2878,"stem":2879},"CSS Custom Properties. Методології. Сучасний CSS","/html-css/css-variables-methodologies","12.html-css/21.css-variables-methodologies",{"title":2881,"path":2882,"stem":2883},"Сучасний CSS 2023–2025: Нові можливості","/html-css/css-modern-features","12.html-css/22.css-modern-features",{"title":2885,"path":2886,"stem":2887},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","/html-css/22a.css-nesting-modern-syntax","12.html-css/22a.css-nesting-modern-syntax",{"title":2889,"path":2890,"stem":2891},"CSS для форм та інтерактивних станів","/html-css/css-forms-interactive-states","12.html-css/23.css-forms-interactive-states",{"title":2893,"path":2894,"stem":2895},"Доступність у CSS (CSS Accessibility)","/html-css/css-accessibility","12.html-css/24.css-accessibility",{"title":2897,"path":2898,"stem":2899},"CSS-функції та сучасні sizing primitives","/html-css/css-functions-sizing","12.html-css/25.css-functions-sizing",{"title":2901,"path":2902,"stem":2903},"Rendering Pipeline і CSS Performance","/html-css/css-rendering-performance","12.html-css/26.css-rendering-performance",{"title":2905,"path":2906,"stem":2907},"CSS Best Practices: типові ситуації та правильні рішення","/html-css/css-best-practices","12.html-css/27.css-best-practices",{"title":2909,"path":2910,"stem":2911,"children":2912,"page":59},"Tailwind","/tailwind","21.tailwind",[2913,2917,2921,2925,2929,2933,2937,2941],{"title":2914,"path":2915,"stem":2916},"Що таке Tailwind CSS і навіщо він потрібен","/tailwind/tailwind-intro-philosophy","21.tailwind/01.tailwind-intro-philosophy",{"title":2918,"path":2919,"stem":2920},"Встановлення та налаштування Tailwind CSS v4","/tailwind/tailwind-installation-setup","21.tailwind/02.tailwind-installation-setup",{"title":2922,"path":2923,"stem":2924},"Utility-класи: основи та система Tailwind","/tailwind/tailwind-utility-classes-core","21.tailwind/03.tailwind-utility-classes-core",{"title":2926,"path":2927,"stem":2928},"Layout: Flexbox та Grid через Tailwind","/tailwind/tailwind-flexbox-grid","21.tailwind/04.tailwind-flexbox-grid",{"title":2930,"path":2931,"stem":2932},"Кастомізація теми через @theme у Tailwind v4","/tailwind/tailwind-theme-customization","21.tailwind/05.tailwind-theme-customization",{"title":2934,"path":2935,"stem":2936},"Варіанти: hover, focus, responsive, dark mode та нові v4","/tailwind/tailwind-variants-states","21.tailwind/06.tailwind-variants-states",{"title":2938,"path":2939,"stem":2940},"Типографіка та система кольорів у Tailwind v4","/tailwind/tailwind-typography-colors","21.tailwind/07.tailwind-typography-colors",{"title":2942,"path":2943,"stem":2944},"Компоненти та повторюваність: @apply, @utility та патерни","/tailwind/tailwind-components-patterns","21.tailwind/08.tailwind-components-patterns",{"title":2946,"path":2947,"stem":2948},"Showcase Компонентів kostyl.dev","/test-new-components","98.test-new-components",{"id":2950,"title":527,"body":2951,"description":7280,"extension":7281,"links":7282,"meta":7283,"navigation":3462,"path":528,"seo":7284,"stem":529,"__hash__":7285},"docs/01.csharp/10.ef-core/13.indexes-constraints-part1.md",{"type":2952,"value":2953,"toc":7244},"minimark",[2954,2959,2964,2977,2988,2995,2998,3002,3008,3018,3027,3055,3058,3063,3096,3101,3121,3128,3130,3134,3140,3145,3362,3681,3684,3730,3740,3761,3765,3772,3828,3883,3904,3906,3910,3917,4068,4272,4313,4317,4324,4353,4562,4573,4577,4723,4725,4729,4735,4890,5115,5197,5200,5257,5307,5311,5329,5433,5436,5438,5442,5456,5460,5555,5562,5587,5593,5597,5675,5711,5718,5735,5739,5882,5972,6000,6002,6006,6009,6013,6080,6112,6116,6190,6219,6247,6251,6282,6303,6327,6331,6438,6440,6444,6450,6454,6623,6626,6682,6686,6808,6810,6814,6818,6935,6939,7134,7138,7168,7170,7174,7177,7229,7240],[2955,2956,2958],"h1",{"id":2957},"індекси-обмеження-та-схема","Індекси, Обмеження та Схема",[2960,2961,2963],"h2",{"id":2962},"чому-індекси-це-не-просто-прискорення-запиту","Чому індекси — це не просто «прискорення запиту»",[2965,2966,2967,2968,2972,2973,2976],"p",{},"Уявіть телефонну книгу. Якщо сторінки не відсортовані — щоб знайти «Іваненко Олексій» — потрібно перегорнути кожну сторінку від початку до кінця. Це ",[2969,2970,2971],"strong",{},"sequential scan"," (повне сканування). Якщо книга відсортована за прізвищем — можна відкрити приблизно на «І» і знайти за секунди. Це і є принцип роботи ",[2969,2974,2975],{},"B-tree індексу",".",[2965,2978,2979,2980,2984,2985,2976],{},"Але телефонна книга відсортована лише за одним критерієм. Якщо потрібно знайти всіх людей з номером ",[2981,2982,2983],"code",{},"044-*"," — знову повне сканування, бо книга не відсортована за номером. Так само і в базах: ",[2969,2986,2987],{},"один індекс допомагає лише при пошуку за тими стовпцями, що до нього входять",[2965,2989,2990,2991,2994],{},"Перш ніж перейти до EF Core Fluent API — потрібно зрозуміти, як індекси реально працюють. Без цього розуміння ",[2981,2992,2993],{},"HasIndex()"," — просто «магічна аннотація», що начебто робить все швидшим.",[2996,2997],"hr",{},[2960,2999,3001],{"id":3000},"b-tree-індекс-анатомія-структури-даних","B-tree індекс: анатомія структури даних",[2965,3003,3004,3007],{},[2969,3005,3006],{},"B-tree"," (Balanced tree, збалансоване дерево) — структура даних, що лежить в основі більшості реляційних індексів. Вона містить відсортовані ключові значення у вузлах дерева, де кожен вузол вказує на діапазон значень у нижньому рівні.",[3009,3010,3015],"pre",{"className":3011,"code":3013,"language":3014},[3012],"language-text","Уявімо таблицю Customers з 1 000 000 рядків і B-tree індекс на Email:\n\n                    [M-R]\n                   /      \\\n           [M-N]             [R-S]\n          /      \\           /    \\\n    [Ma-Mc]  [Md-Mz]   [Ra-Rm]  [Rn-Rz]\n    /  |  \\   / | \\     / | \\    / | \\\n  [leaf] [leaf] [leaf] [leaf] [leaf] ...\n   ↓       ↓       ↓\n  Ptrs   Ptrs   Ptrs → рядки у heap (таблиці)\n","text",[2981,3016,3013],{"__ignoreMap":3017},"",[2965,3019,3020,3026],{},[2969,3021,3022,3023],{},"Пошук ",[2981,3024,3025],{},"Email = 'maria@example.com'",":",[3028,3029,3030,3038,3049,3052],"ol",{},[3031,3032,3033,3034,3037],"li",{},"Починаємо з кореня → ",[2981,3035,3036],{},"maria"," → між M-R → йдемо вліво",[3031,3039,3040,3041,3045,3046,3048],{},"У ",[3042,3043,3044],"span",{},"M-N"," вузлі → ",[2981,3047,3036],{}," → між Ma-Mc → йдемо до листа",[3031,3050,3051],{},"Лист: знаходимо точне значення → отримуємо pointer до рядка у heap",[3031,3053,3054],{},"Переходимо до heap і читаємо повний рядок",[2965,3056,3057],{},"Замість 1 000 000 порівнянь — лише ~3-4 порівняння (висота дерева). Для мільйонного рядка — висота B-tree log₁₀₀(1 000 000) ≈ 3.",[2965,3059,3060,3026],{},[2969,3061,3062],{},"Де B-tree особливо ефективний",[3064,3065,3066,3072,3078,3085],"ul",{},[3031,3067,3068,3069],{},"Точний пошук: ",[2981,3070,3071],{},"WHERE Email = 'x'",[3031,3073,3074,3075],{},"Діапазони: ",[2981,3076,3077],{},"WHERE CreatedAt BETWEEN '2024-01-01' AND '2024-12-31'",[3031,3079,3080,3081,3084],{},"Сортування: ",[2981,3082,3083],{},"ORDER BY LastName"," — дерево вже відсортоване",[3031,3086,3087,3088,3091,3092,3095],{},"Prefix пошук: ",[2981,3089,3090],{},"WHERE Name LIKE 'Іван%'"," (але не ",[2981,3093,3094],{},"LIKE '%ванко'","!)",[2965,3097,3098,3026],{},[2969,3099,3100],{},"Де B-tree НЕ допомагає",[3064,3102,3103,3109,3115],{},[3031,3104,3105,3108],{},[2981,3106,3107],{},"WHERE LastName LIKE '%ченко'"," — суфікс пошук",[3031,3110,3111,3114],{},[2981,3112,3113],{},"WHERE LOWER(Email) = 'x@y.com'"," — функція над стовпцем",[3031,3116,3117,3120],{},[2981,3118,3119],{},"WHERE Amount * 1.2 > 1000"," — вираз над стовпцем",[2965,3122,3123,3124,3127],{},"Ці нюанси критичні для розуміння, коли ",[2981,3125,3126],{},"HasIndex"," реально допомагає, а коли — лише займає місце.",[2996,3129],{},[2960,3131,3133],{"id":3132},"hasindex-базова-конфігурація","HasIndex: базова конфігурація",[2965,3135,3136,3137,3139],{},"Флуент-метод ",[2981,3138,3126],{}," визначає індекс у EF Core. В абсолютній більшості випадків це B-tree індекс (хоча провайдери підтримують й інші типи: GIN, GiST, HASH для PostgreSQL).",[3141,3142,3144],"h3",{"id":3143},"простий-індекс","Простий індекс",[3009,3146,3150],{"className":3147,"code":3148,"language":3149,"meta":3017,"style":3017},"language-csharp shiki shiki-themes light-plus dark-plus dark-plus","public class Customer\n{\n    public int Id { get; set; }\n    public string FullName { get; set; } = string.Empty;\n    public string Email { get; set; } = string.Empty;\n    public string? PhoneNumber { get; set; }\n    public string CountryCode { get; set; } = string.Empty;\n    public DateTime RegisteredAt { get; set; }\n    public bool IsActive { get; set; }\n}\n","csharp",[2981,3151,3152,3167,3174,3202,3235,3263,3286,3314,3335,3356],{"__ignoreMap":3017},[3042,3153,3156,3160,3163],{"class":3154,"line":3155},"line",1,[3042,3157,3159],{"class":3158},"su1O8","public",[3042,3161,3162],{"class":3158}," class",[3042,3164,3166],{"class":3165},"sN1BT"," Customer\n",[3042,3168,3170],{"class":3154,"line":3169},2,[3042,3171,3173],{"class":3172},"sHH4Y","{\n",[3042,3175,3177,3180,3183,3187,3190,3193,3196,3199],{"class":3154,"line":3176},3,[3042,3178,3179],{"class":3158},"    public",[3042,3181,3182],{"class":3158}," int",[3042,3184,3186],{"class":3185},"siwwj"," Id",[3042,3188,3189],{"class":3172}," { ",[3042,3191,3192],{"class":3158},"get",[3042,3194,3195],{"class":3172},"; ",[3042,3197,3198],{"class":3158},"set",[3042,3200,3201],{"class":3172},"; }\n",[3042,3203,3205,3207,3210,3213,3215,3217,3219,3221,3224,3227,3229,3232],{"class":3154,"line":3204},4,[3042,3206,3179],{"class":3158},[3042,3208,3209],{"class":3158}," string",[3042,3211,3212],{"class":3185}," FullName",[3042,3214,3189],{"class":3172},[3042,3216,3192],{"class":3158},[3042,3218,3195],{"class":3172},[3042,3220,3198],{"class":3158},[3042,3222,3223],{"class":3172},"; } = ",[3042,3225,3226],{"class":3158},"string",[3042,3228,2976],{"class":3172},[3042,3230,3231],{"class":3185},"Empty",[3042,3233,3234],{"class":3172},";\n",[3042,3236,3238,3240,3242,3245,3247,3249,3251,3253,3255,3257,3259,3261],{"class":3154,"line":3237},5,[3042,3239,3179],{"class":3158},[3042,3241,3209],{"class":3158},[3042,3243,3244],{"class":3185}," Email",[3042,3246,3189],{"class":3172},[3042,3248,3192],{"class":3158},[3042,3250,3195],{"class":3172},[3042,3252,3198],{"class":3158},[3042,3254,3223],{"class":3172},[3042,3256,3226],{"class":3158},[3042,3258,2976],{"class":3172},[3042,3260,3231],{"class":3185},[3042,3262,3234],{"class":3172},[3042,3264,3266,3268,3270,3273,3276,3278,3280,3282,3284],{"class":3154,"line":3265},6,[3042,3267,3179],{"class":3158},[3042,3269,3209],{"class":3158},[3042,3271,3272],{"class":3172},"? ",[3042,3274,3275],{"class":3185},"PhoneNumber",[3042,3277,3189],{"class":3172},[3042,3279,3192],{"class":3158},[3042,3281,3195],{"class":3172},[3042,3283,3198],{"class":3158},[3042,3285,3201],{"class":3172},[3042,3287,3289,3291,3293,3296,3298,3300,3302,3304,3306,3308,3310,3312],{"class":3154,"line":3288},7,[3042,3290,3179],{"class":3158},[3042,3292,3209],{"class":3158},[3042,3294,3295],{"class":3185}," CountryCode",[3042,3297,3189],{"class":3172},[3042,3299,3192],{"class":3158},[3042,3301,3195],{"class":3172},[3042,3303,3198],{"class":3158},[3042,3305,3223],{"class":3172},[3042,3307,3226],{"class":3158},[3042,3309,2976],{"class":3172},[3042,3311,3231],{"class":3185},[3042,3313,3234],{"class":3172},[3042,3315,3317,3319,3322,3325,3327,3329,3331,3333],{"class":3154,"line":3316},8,[3042,3318,3179],{"class":3158},[3042,3320,3321],{"class":3165}," DateTime",[3042,3323,3324],{"class":3185}," RegisteredAt",[3042,3326,3189],{"class":3172},[3042,3328,3192],{"class":3158},[3042,3330,3195],{"class":3172},[3042,3332,3198],{"class":3158},[3042,3334,3201],{"class":3172},[3042,3336,3338,3340,3343,3346,3348,3350,3352,3354],{"class":3154,"line":3337},9,[3042,3339,3179],{"class":3158},[3042,3341,3342],{"class":3158}," bool",[3042,3344,3345],{"class":3185}," IsActive",[3042,3347,3189],{"class":3172},[3042,3349,3192],{"class":3158},[3042,3351,3195],{"class":3172},[3042,3353,3198],{"class":3158},[3042,3355,3201],{"class":3172},[3042,3357,3359],{"class":3154,"line":3358},10,[3042,3360,3361],{"class":3172},"}\n",[3009,3363,3365],{"className":3147,"code":3364,"language":3149,"meta":3017,"style":3017},"public class CustomerConfiguration : IEntityTypeConfiguration\u003CCustomer>\n{\n    public void Configure(EntityTypeBuilder\u003CCustomer> builder)\n    {\n        builder.HasKey(c => c.Id);\n\n        builder.Property(c => c.FullName).IsRequired().HasMaxLength(200);\n        builder.Property(c => c.Email).IsRequired().HasMaxLength(320);\n        builder.Property(c => c.CountryCode).HasMaxLength(2).IsUnicode(false);\n\n        // Простий індекс: частий пошук за CountryCode\n        builder.HasIndex(c => c.CountryCode);\n\n        // Індекс з власним ім'ям (зручно для DBA і міграцій)\n        builder.HasIndex(c => c.RegisteredAt)\n               .HasDatabaseName(\"IX_Customers_RegisteredAt\");\n    }\n}\n",[2981,3366,3367,3391,3395,3425,3430,3458,3464,3506,3542,3584,3588,3595,3618,3623,3629,3653,3670,3676],{"__ignoreMap":3017},[3042,3368,3369,3371,3373,3376,3379,3382,3385,3388],{"class":3154,"line":3155},[3042,3370,3159],{"class":3158},[3042,3372,3162],{"class":3158},[3042,3374,3375],{"class":3165}," CustomerConfiguration",[3042,3377,3378],{"class":3172}," : ",[3042,3380,3381],{"class":3165},"IEntityTypeConfiguration",[3042,3383,3384],{"class":3172},"\u003C",[3042,3386,3387],{"class":3165},"Customer",[3042,3389,3390],{"class":3172},">\n",[3042,3392,3393],{"class":3154,"line":3169},[3042,3394,3173],{"class":3172},[3042,3396,3397,3399,3402,3406,3409,3412,3414,3416,3419,3422],{"class":3154,"line":3176},[3042,3398,3179],{"class":3158},[3042,3400,3401],{"class":3158}," void",[3042,3403,3405],{"class":3404},"s8Opu"," Configure",[3042,3407,3408],{"class":3172},"(",[3042,3410,3411],{"class":3165},"EntityTypeBuilder",[3042,3413,3384],{"class":3172},[3042,3415,3387],{"class":3165},[3042,3417,3418],{"class":3172},"> ",[3042,3420,3421],{"class":3185},"builder",[3042,3423,3424],{"class":3172},")\n",[3042,3426,3427],{"class":3154,"line":3204},[3042,3428,3429],{"class":3172},"    {\n",[3042,3431,3432,3435,3437,3440,3442,3445,3448,3450,3452,3455],{"class":3154,"line":3237},[3042,3433,3434],{"class":3185},"        builder",[3042,3436,2976],{"class":3172},[3042,3438,3439],{"class":3404},"HasKey",[3042,3441,3408],{"class":3172},[3042,3443,3444],{"class":3185},"c",[3042,3446,3447],{"class":3172}," => ",[3042,3449,3444],{"class":3185},[3042,3451,2976],{"class":3172},[3042,3453,3454],{"class":3185},"Id",[3042,3456,3457],{"class":3172},");\n",[3042,3459,3460],{"class":3154,"line":3265},[3042,3461,3463],{"emptyLinePlaceholder":3462},true,"\n",[3042,3465,3466,3468,3470,3473,3475,3477,3479,3481,3483,3486,3489,3492,3495,3498,3500,3504],{"class":3154,"line":3288},[3042,3467,3434],{"class":3185},[3042,3469,2976],{"class":3172},[3042,3471,3472],{"class":3404},"Property",[3042,3474,3408],{"class":3172},[3042,3476,3444],{"class":3185},[3042,3478,3447],{"class":3172},[3042,3480,3444],{"class":3185},[3042,3482,2976],{"class":3172},[3042,3484,3485],{"class":3185},"FullName",[3042,3487,3488],{"class":3172},").",[3042,3490,3491],{"class":3404},"IsRequired",[3042,3493,3494],{"class":3172},"().",[3042,3496,3497],{"class":3404},"HasMaxLength",[3042,3499,3408],{"class":3172},[3042,3501,3503],{"class":3502},"sJj4R","200",[3042,3505,3457],{"class":3172},[3042,3507,3508,3510,3512,3514,3516,3518,3520,3522,3524,3527,3529,3531,3533,3535,3537,3540],{"class":3154,"line":3316},[3042,3509,3434],{"class":3185},[3042,3511,2976],{"class":3172},[3042,3513,3472],{"class":3404},[3042,3515,3408],{"class":3172},[3042,3517,3444],{"class":3185},[3042,3519,3447],{"class":3172},[3042,3521,3444],{"class":3185},[3042,3523,2976],{"class":3172},[3042,3525,3526],{"class":3185},"Email",[3042,3528,3488],{"class":3172},[3042,3530,3491],{"class":3404},[3042,3532,3494],{"class":3172},[3042,3534,3497],{"class":3404},[3042,3536,3408],{"class":3172},[3042,3538,3539],{"class":3502},"320",[3042,3541,3457],{"class":3172},[3042,3543,3544,3546,3548,3550,3552,3554,3556,3558,3560,3563,3565,3567,3569,3572,3574,3577,3579,3582],{"class":3154,"line":3337},[3042,3545,3434],{"class":3185},[3042,3547,2976],{"class":3172},[3042,3549,3472],{"class":3404},[3042,3551,3408],{"class":3172},[3042,3553,3444],{"class":3185},[3042,3555,3447],{"class":3172},[3042,3557,3444],{"class":3185},[3042,3559,2976],{"class":3172},[3042,3561,3562],{"class":3185},"CountryCode",[3042,3564,3488],{"class":3172},[3042,3566,3497],{"class":3404},[3042,3568,3408],{"class":3172},[3042,3570,3571],{"class":3502},"2",[3042,3573,3488],{"class":3172},[3042,3575,3576],{"class":3404},"IsUnicode",[3042,3578,3408],{"class":3172},[3042,3580,3581],{"class":3158},"false",[3042,3583,3457],{"class":3172},[3042,3585,3586],{"class":3154,"line":3358},[3042,3587,3463],{"emptyLinePlaceholder":3462},[3042,3589,3591],{"class":3154,"line":3590},11,[3042,3592,3594],{"class":3593},"spJ8K","        // Простий індекс: частий пошук за CountryCode\n",[3042,3596,3598,3600,3602,3604,3606,3608,3610,3612,3614,3616],{"class":3154,"line":3597},12,[3042,3599,3434],{"class":3185},[3042,3601,2976],{"class":3172},[3042,3603,3126],{"class":3404},[3042,3605,3408],{"class":3172},[3042,3607,3444],{"class":3185},[3042,3609,3447],{"class":3172},[3042,3611,3444],{"class":3185},[3042,3613,2976],{"class":3172},[3042,3615,3562],{"class":3185},[3042,3617,3457],{"class":3172},[3042,3619,3621],{"class":3154,"line":3620},13,[3042,3622,3463],{"emptyLinePlaceholder":3462},[3042,3624,3626],{"class":3154,"line":3625},14,[3042,3627,3628],{"class":3593},"        // Індекс з власним ім'ям (зручно для DBA і міграцій)\n",[3042,3630,3632,3634,3636,3638,3640,3642,3644,3646,3648,3651],{"class":3154,"line":3631},15,[3042,3633,3434],{"class":3185},[3042,3635,2976],{"class":3172},[3042,3637,3126],{"class":3404},[3042,3639,3408],{"class":3172},[3042,3641,3444],{"class":3185},[3042,3643,3447],{"class":3172},[3042,3645,3444],{"class":3185},[3042,3647,2976],{"class":3172},[3042,3649,3650],{"class":3185},"RegisteredAt",[3042,3652,3424],{"class":3172},[3042,3654,3656,3659,3662,3664,3668],{"class":3154,"line":3655},16,[3042,3657,3658],{"class":3172},"               .",[3042,3660,3661],{"class":3404},"HasDatabaseName",[3042,3663,3408],{"class":3172},[3042,3665,3667],{"class":3666},"sbdoH","\"IX_Customers_RegisteredAt\"",[3042,3669,3457],{"class":3172},[3042,3671,3673],{"class":3154,"line":3672},17,[3042,3674,3675],{"class":3172},"    }\n",[3042,3677,3679],{"class":3154,"line":3678},18,[3042,3680,3361],{"class":3172},[2965,3682,3683],{},"Генерований DDL:",[3009,3685,3689],{"className":3686,"code":3687,"language":3688,"meta":3017,"style":3017},"language-sql shiki shiki-themes light-plus dark-plus dark-plus","CREATE INDEX [IX_Customers_CountryCode]\n    ON [Customers] ([CountryCode]);\n\nCREATE INDEX [IX_Customers_RegisteredAt]\n    ON [Customers] ([RegisteredAt]);\n","sql",[2981,3690,3691,3702,3710,3714,3723],{"__ignoreMap":3017},[3042,3692,3693,3696,3699],{"class":3154,"line":3155},[3042,3694,3695],{"class":3158},"CREATE",[3042,3697,3698],{"class":3158}," INDEX",[3042,3700,3701],{"class":3172}," [IX_Customers_CountryCode]\n",[3042,3703,3704,3707],{"class":3154,"line":3169},[3042,3705,3706],{"class":3158},"    ON",[3042,3708,3709],{"class":3172}," [Customers] ([CountryCode]);\n",[3042,3711,3712],{"class":3154,"line":3176},[3042,3713,3463],{"emptyLinePlaceholder":3462},[3042,3715,3716,3718,3720],{"class":3154,"line":3204},[3042,3717,3695],{"class":3158},[3042,3719,3698],{"class":3158},[3042,3721,3722],{"class":3172}," [IX_Customers_RegisteredAt]\n",[3042,3724,3725,3727],{"class":3154,"line":3237},[3042,3726,3706],{"class":3158},[3042,3728,3729],{"class":3172}," [Customers] ([RegisteredAt]);\n",[2965,3731,3732,3735,3736,3739],{},[2969,3733,3734],{},"Коли потрібен індекс на CountryCode",": Якщо запискладно робити ",[2981,3737,3738],{},"WHERE CountryCode = 'UA'"," і таблиця містить 500K+ рядків — без індексу це повне сканування. З індексом — миттєво.",[2965,3741,3742,3749,3750,3752,3753,3756,3757,3760],{},[2969,3743,3744,3745,3748],{},"Когда індекс на CountryCode ",[2969,3746,3747],{},"не"," потрібен",": Якщо ",[2981,3751,3562],{}," має лише 5 унікальних значень (UA, US, DE, GB, FR) — ",[2969,3754,3755],{},"cardinality"," (різноманітність значень) дуже низька. B-tree Index Scan може бути ",[2969,3758,3759],{},"повільнішим"," за Sequential Scan, якщо вибирається > 15-20% рядків. СУБД сама вирішує — але знати це корисно.",[3141,3762,3764],{"id":3763},"isunique-унікальний-індекс","IsUnique: унікальний індекс",[2965,3766,3767,3768,3771],{},"Унікальний індекс гарантує унікальність значень у стовпці і ",[2969,3769,3770],{},"одночасно"," прискорює пошук по ньому. Це обмеження + індекс в одному.",[3009,3773,3775],{"className":3147,"code":3774,"language":3149,"meta":3017,"style":3017},"// Email має бути унікальним по всій таблиці\nbuilder.HasIndex(c => c.Email)\n       .IsUnique()\n       .HasDatabaseName(\"UX_Customers_Email\");\n",[2981,3776,3777,3782,3804,3815],{"__ignoreMap":3017},[3042,3778,3779],{"class":3154,"line":3155},[3042,3780,3781],{"class":3593},"// Email має бути унікальним по всій таблиці\n",[3042,3783,3784,3786,3788,3790,3792,3794,3796,3798,3800,3802],{"class":3154,"line":3169},[3042,3785,3421],{"class":3185},[3042,3787,2976],{"class":3172},[3042,3789,3126],{"class":3404},[3042,3791,3408],{"class":3172},[3042,3793,3444],{"class":3185},[3042,3795,3447],{"class":3172},[3042,3797,3444],{"class":3185},[3042,3799,2976],{"class":3172},[3042,3801,3526],{"class":3185},[3042,3803,3424],{"class":3172},[3042,3805,3806,3809,3812],{"class":3154,"line":3176},[3042,3807,3808],{"class":3172},"       .",[3042,3810,3811],{"class":3404},"IsUnique",[3042,3813,3814],{"class":3172},"()\n",[3042,3816,3817,3819,3821,3823,3826],{"class":3154,"line":3204},[3042,3818,3808],{"class":3172},[3042,3820,3661],{"class":3404},[3042,3822,3408],{"class":3172},[3042,3824,3825],{"class":3666},"\"UX_Customers_Email\"",[3042,3827,3457],{"class":3172},[3009,3829,3831],{"className":3686,"code":3830,"language":3688,"meta":3017,"style":3017},"CREATE UNIQUE INDEX [UX_Customers_Email]\n    ON [Customers] ([Email]);\n-- або (залежно від провайдера):\nALTER TABLE [Customers] ADD CONSTRAINT [UX_Customers_Email] UNIQUE ([Email]);\n",[2981,3832,3833,3845,3852,3857],{"__ignoreMap":3017},[3042,3834,3835,3837,3840,3842],{"class":3154,"line":3155},[3042,3836,3695],{"class":3158},[3042,3838,3839],{"class":3158}," UNIQUE",[3042,3841,3698],{"class":3158},[3042,3843,3844],{"class":3172}," [UX_Customers_Email]\n",[3042,3846,3847,3849],{"class":3154,"line":3169},[3042,3848,3706],{"class":3158},[3042,3850,3851],{"class":3172}," [Customers] ([Email]);\n",[3042,3853,3854],{"class":3154,"line":3176},[3042,3855,3856],{"class":3593},"-- або (залежно від провайдера):\n",[3042,3858,3859,3862,3865,3868,3871,3874,3877,3880],{"class":3154,"line":3204},[3042,3860,3861],{"class":3158},"ALTER",[3042,3863,3864],{"class":3158}," TABLE",[3042,3866,3867],{"class":3172}," [Customers] ",[3042,3869,3870],{"class":3158},"ADD",[3042,3872,3873],{"class":3158}," CONSTRAINT",[3042,3875,3876],{"class":3172}," [UX_Customers_Email] ",[3042,3878,3879],{"class":3158},"UNIQUE",[3042,3881,3882],{"class":3172}," ([Email]);\n",[3884,3885,3886,3889,3890,3893,3894,3897,3898,3901,3902,2976],"note",{},[2969,3887,3888],{},"Alternate Key vs Unique Index",": ",[2981,3891,3892],{},"HasAlternateKey()"," — це UNIQUE CONSTRAINT, що водночас стає можливою ціллю для FK. ",[2981,3895,3896],{},"HasIndex().IsUnique()"," — це UNIQUE INDEX, що не є стандартним FK target. For FK references — завжди ",[2981,3899,3900],{},"HasAlternateKey",". Для просто унікальності — ",[2981,3903,3896],{},[2996,3905],{},[2960,3907,3909],{"id":3908},"складені-composite-індекси-порядок-стовпців-має-значення","Складені (Composite) індекси: порядок стовпців має значення",[2965,3911,3912,3913,3916],{},"Складений індекс охоплює ",[2969,3914,3915],{},"декілька стовпців",". Він ефективний, якщо запит фільтрує за кількома стовпцями або поєднує фільтрацію з сортуванням.",[3009,3918,3920],{"className":3147,"code":3919,"language":3149,"meta":3017,"style":3017},"public class Order\n{\n    public int Id { get; set; }\n    public int CustomerId { get; set; }\n    public string Status { get; set; } = string.Empty;\n    public DateTime PlacedAt { get; set; }\n    public decimal TotalAmount { get; set; }\n    public string CountryCode { get; set; } = string.Empty;\n}\n",[2981,3921,3922,3931,3935,3953,3972,3999,4018,4038,4064],{"__ignoreMap":3017},[3042,3923,3924,3926,3928],{"class":3154,"line":3155},[3042,3925,3159],{"class":3158},[3042,3927,3162],{"class":3158},[3042,3929,3930],{"class":3165}," Order\n",[3042,3932,3933],{"class":3154,"line":3169},[3042,3934,3173],{"class":3172},[3042,3936,3937,3939,3941,3943,3945,3947,3949,3951],{"class":3154,"line":3176},[3042,3938,3179],{"class":3158},[3042,3940,3182],{"class":3158},[3042,3942,3186],{"class":3185},[3042,3944,3189],{"class":3172},[3042,3946,3192],{"class":3158},[3042,3948,3195],{"class":3172},[3042,3950,3198],{"class":3158},[3042,3952,3201],{"class":3172},[3042,3954,3955,3957,3959,3962,3964,3966,3968,3970],{"class":3154,"line":3204},[3042,3956,3179],{"class":3158},[3042,3958,3182],{"class":3158},[3042,3960,3961],{"class":3185}," CustomerId",[3042,3963,3189],{"class":3172},[3042,3965,3192],{"class":3158},[3042,3967,3195],{"class":3172},[3042,3969,3198],{"class":3158},[3042,3971,3201],{"class":3172},[3042,3973,3974,3976,3978,3981,3983,3985,3987,3989,3991,3993,3995,3997],{"class":3154,"line":3237},[3042,3975,3179],{"class":3158},[3042,3977,3209],{"class":3158},[3042,3979,3980],{"class":3185}," Status",[3042,3982,3189],{"class":3172},[3042,3984,3192],{"class":3158},[3042,3986,3195],{"class":3172},[3042,3988,3198],{"class":3158},[3042,3990,3223],{"class":3172},[3042,3992,3226],{"class":3158},[3042,3994,2976],{"class":3172},[3042,3996,3231],{"class":3185},[3042,3998,3234],{"class":3172},[3042,4000,4001,4003,4005,4008,4010,4012,4014,4016],{"class":3154,"line":3265},[3042,4002,3179],{"class":3158},[3042,4004,3321],{"class":3165},[3042,4006,4007],{"class":3185}," PlacedAt",[3042,4009,3189],{"class":3172},[3042,4011,3192],{"class":3158},[3042,4013,3195],{"class":3172},[3042,4015,3198],{"class":3158},[3042,4017,3201],{"class":3172},[3042,4019,4020,4022,4025,4028,4030,4032,4034,4036],{"class":3154,"line":3288},[3042,4021,3179],{"class":3158},[3042,4023,4024],{"class":3158}," decimal",[3042,4026,4027],{"class":3185}," TotalAmount",[3042,4029,3189],{"class":3172},[3042,4031,3192],{"class":3158},[3042,4033,3195],{"class":3172},[3042,4035,3198],{"class":3158},[3042,4037,3201],{"class":3172},[3042,4039,4040,4042,4044,4046,4048,4050,4052,4054,4056,4058,4060,4062],{"class":3154,"line":3316},[3042,4041,3179],{"class":3158},[3042,4043,3209],{"class":3158},[3042,4045,3295],{"class":3185},[3042,4047,3189],{"class":3172},[3042,4049,3192],{"class":3158},[3042,4051,3195],{"class":3172},[3042,4053,3198],{"class":3158},[3042,4055,3223],{"class":3172},[3042,4057,3226],{"class":3158},[3042,4059,2976],{"class":3172},[3042,4061,3231],{"class":3185},[3042,4063,3234],{"class":3172},[3042,4065,4066],{"class":3154,"line":3337},[3042,4067,3361],{"class":3172},[3009,4069,4071],{"className":3147,"code":4070,"language":3149,"meta":3017,"style":3017},"public class OrderConfiguration : IEntityTypeConfiguration\u003COrder>\n{\n    public void Configure(EntityTypeBuilder\u003COrder> builder)\n    {\n        builder.HasKey(o => o.Id);\n\n        // Складений індекс: частий запит \"замовлення конкретного клієнта за статусом\"\n        builder.HasIndex(o => new { o.CustomerId, o.Status })\n               .HasDatabaseName(\"IX_Orders_Customer_Status\");\n\n        // Складений індекс для звітів: \"замовлення за країною в діапазоні дат\"\n        builder.HasIndex(o => new { o.CountryCode, o.PlacedAt })\n               .HasDatabaseName(\"IX_Orders_Country_Date\");\n    }\n}\n",[2981,4072,4073,4093,4097,4119,4123,4146,4150,4155,4194,4207,4211,4216,4251,4264,4268],{"__ignoreMap":3017},[3042,4074,4075,4077,4079,4082,4084,4086,4088,4091],{"class":3154,"line":3155},[3042,4076,3159],{"class":3158},[3042,4078,3162],{"class":3158},[3042,4080,4081],{"class":3165}," OrderConfiguration",[3042,4083,3378],{"class":3172},[3042,4085,3381],{"class":3165},[3042,4087,3384],{"class":3172},[3042,4089,4090],{"class":3165},"Order",[3042,4092,3390],{"class":3172},[3042,4094,4095],{"class":3154,"line":3169},[3042,4096,3173],{"class":3172},[3042,4098,4099,4101,4103,4105,4107,4109,4111,4113,4115,4117],{"class":3154,"line":3176},[3042,4100,3179],{"class":3158},[3042,4102,3401],{"class":3158},[3042,4104,3405],{"class":3404},[3042,4106,3408],{"class":3172},[3042,4108,3411],{"class":3165},[3042,4110,3384],{"class":3172},[3042,4112,4090],{"class":3165},[3042,4114,3418],{"class":3172},[3042,4116,3421],{"class":3185},[3042,4118,3424],{"class":3172},[3042,4120,4121],{"class":3154,"line":3204},[3042,4122,3429],{"class":3172},[3042,4124,4125,4127,4129,4131,4133,4136,4138,4140,4142,4144],{"class":3154,"line":3237},[3042,4126,3434],{"class":3185},[3042,4128,2976],{"class":3172},[3042,4130,3439],{"class":3404},[3042,4132,3408],{"class":3172},[3042,4134,4135],{"class":3185},"o",[3042,4137,3447],{"class":3172},[3042,4139,4135],{"class":3185},[3042,4141,2976],{"class":3172},[3042,4143,3454],{"class":3185},[3042,4145,3457],{"class":3172},[3042,4147,4148],{"class":3154,"line":3265},[3042,4149,3463],{"emptyLinePlaceholder":3462},[3042,4151,4152],{"class":3154,"line":3288},[3042,4153,4154],{"class":3593},"        // Складений індекс: частий запит \"замовлення конкретного клієнта за статусом\"\n",[3042,4156,4157,4159,4161,4163,4165,4167,4169,4172,4174,4176,4178,4181,4184,4186,4188,4191],{"class":3154,"line":3316},[3042,4158,3434],{"class":3185},[3042,4160,2976],{"class":3172},[3042,4162,3126],{"class":3404},[3042,4164,3408],{"class":3172},[3042,4166,4135],{"class":3185},[3042,4168,3447],{"class":3172},[3042,4170,4171],{"class":3158},"new",[3042,4173,3189],{"class":3172},[3042,4175,4135],{"class":3185},[3042,4177,2976],{"class":3172},[3042,4179,4180],{"class":3185},"CustomerId",[3042,4182,4183],{"class":3172},", ",[3042,4185,4135],{"class":3185},[3042,4187,2976],{"class":3172},[3042,4189,4190],{"class":3185},"Status",[3042,4192,4193],{"class":3172}," })\n",[3042,4195,4196,4198,4200,4202,4205],{"class":3154,"line":3337},[3042,4197,3658],{"class":3172},[3042,4199,3661],{"class":3404},[3042,4201,3408],{"class":3172},[3042,4203,4204],{"class":3666},"\"IX_Orders_Customer_Status\"",[3042,4206,3457],{"class":3172},[3042,4208,4209],{"class":3154,"line":3358},[3042,4210,3463],{"emptyLinePlaceholder":3462},[3042,4212,4213],{"class":3154,"line":3590},[3042,4214,4215],{"class":3593},"        // Складений індекс для звітів: \"замовлення за країною в діапазоні дат\"\n",[3042,4217,4218,4220,4222,4224,4226,4228,4230,4232,4234,4236,4238,4240,4242,4244,4246,4249],{"class":3154,"line":3597},[3042,4219,3434],{"class":3185},[3042,4221,2976],{"class":3172},[3042,4223,3126],{"class":3404},[3042,4225,3408],{"class":3172},[3042,4227,4135],{"class":3185},[3042,4229,3447],{"class":3172},[3042,4231,4171],{"class":3158},[3042,4233,3189],{"class":3172},[3042,4235,4135],{"class":3185},[3042,4237,2976],{"class":3172},[3042,4239,3562],{"class":3185},[3042,4241,4183],{"class":3172},[3042,4243,4135],{"class":3185},[3042,4245,2976],{"class":3172},[3042,4247,4248],{"class":3185},"PlacedAt",[3042,4250,4193],{"class":3172},[3042,4252,4253,4255,4257,4259,4262],{"class":3154,"line":3620},[3042,4254,3658],{"class":3172},[3042,4256,3661],{"class":3404},[3042,4258,3408],{"class":3172},[3042,4260,4261],{"class":3666},"\"IX_Orders_Country_Date\"",[3042,4263,3457],{"class":3172},[3042,4265,4266],{"class":3154,"line":3625},[3042,4267,3675],{"class":3172},[3042,4269,4270],{"class":3154,"line":3631},[3042,4271,3361],{"class":3172},[3009,4273,4275],{"className":3686,"code":4274,"language":3688,"meta":3017,"style":3017},"CREATE INDEX [IX_Orders_Customer_Status]\n    ON [Orders] ([CustomerId], [Status]);\n\nCREATE INDEX [IX_Orders_Country_Date]\n    ON [Orders] ([CountryCode], [PlacedAt]);\n",[2981,4276,4277,4286,4293,4297,4306],{"__ignoreMap":3017},[3042,4278,4279,4281,4283],{"class":3154,"line":3155},[3042,4280,3695],{"class":3158},[3042,4282,3698],{"class":3158},[3042,4284,4285],{"class":3172}," [IX_Orders_Customer_Status]\n",[3042,4287,4288,4290],{"class":3154,"line":3169},[3042,4289,3706],{"class":3158},[3042,4291,4292],{"class":3172}," [Orders] ([CustomerId], [Status]);\n",[3042,4294,4295],{"class":3154,"line":3176},[3042,4296,3463],{"emptyLinePlaceholder":3462},[3042,4298,4299,4301,4303],{"class":3154,"line":3204},[3042,4300,3695],{"class":3158},[3042,4302,3698],{"class":3158},[3042,4304,4305],{"class":3172}," [IX_Orders_Country_Date]\n",[3042,4307,4308,4310],{"class":3154,"line":3237},[3042,4309,3706],{"class":3158},[3042,4311,4312],{"class":3172}," [Orders] ([CountryCode], [PlacedAt]);\n",[3141,4314,4316],{"id":4315},"правило-лівого-префіксу","Правило «лівого префіксу»",[2965,4318,4319,4320,4323],{},"Складений індекс ",[2981,4321,4322],{},"(A, B)"," ефективний для запитів, що фільтрують за:",[3064,4325,4326,4332,4338,4344],{},[3031,4327,4328,4331],{},[2981,4329,4330],{},"WHERE A = x"," — ✅ використовує (лівий стовпець)",[3031,4333,4334,4337],{},[2981,4335,4336],{},"WHERE A = x AND B = y"," — ✅ використовує (обидва стовпці)",[3031,4339,4340,4343],{},[2981,4341,4342],{},"WHERE A = x ORDER BY B"," — ✅ ефективно (сортування по B у контексті A)",[3031,4345,4346,4349,4350,4352],{},[2981,4347,4348],{},"WHERE B = y"," — ❌ ",[2969,4351,3747],{}," використовує індекс (пропущений лівий стовпець A)",[3009,4354,4356],{"className":3147,"code":4355,"language":3149,"meta":3017,"style":3017},"// Запити, що скористаються IX_Orders_Customer_Status:\nvar byCustomer = context.Orders\n    .Where(o => o.CustomerId == 42)           // A = x ✅\n    .ToList();\n\nvar byCustomerAndStatus = context.Orders\n    .Where(o => o.CustomerId == 42 && o.Status == \"Delivered\") // A=x AND B=y ✅\n    .ToList();\n\n// Запит, що НЕ скористається:\nvar byStatusOnly = context.Orders\n    .Where(o => o.Status == \"Delivered\")      // тільки B ❌\n    .ToList();\n\n// Рішення: окремий індекс на Status або переставити порядок у складеному\n",[2981,4357,4358,4363,4382,4414,4424,4428,4443,4485,4493,4497,4502,4517,4545,4553,4557],{"__ignoreMap":3017},[3042,4359,4360],{"class":3154,"line":3155},[3042,4361,4362],{"class":3593},"// Запити, що скористаються IX_Orders_Customer_Status:\n",[3042,4364,4365,4368,4371,4374,4377,4379],{"class":3154,"line":3169},[3042,4366,4367],{"class":3158},"var",[3042,4369,4370],{"class":3185}," byCustomer",[3042,4372,4373],{"class":3172}," = ",[3042,4375,4376],{"class":3185},"context",[3042,4378,2976],{"class":3172},[3042,4380,4381],{"class":3185},"Orders\n",[3042,4383,4384,4387,4390,4392,4394,4396,4398,4400,4402,4405,4408,4411],{"class":3154,"line":3176},[3042,4385,4386],{"class":3172},"    .",[3042,4388,4389],{"class":3404},"Where",[3042,4391,3408],{"class":3172},[3042,4393,4135],{"class":3185},[3042,4395,3447],{"class":3172},[3042,4397,4135],{"class":3185},[3042,4399,2976],{"class":3172},[3042,4401,4180],{"class":3185},[3042,4403,4404],{"class":3172}," == ",[3042,4406,4407],{"class":3502},"42",[3042,4409,4410],{"class":3172},")           ",[3042,4412,4413],{"class":3593},"// A = x ✅\n",[3042,4415,4416,4418,4421],{"class":3154,"line":3204},[3042,4417,4386],{"class":3172},[3042,4419,4420],{"class":3404},"ToList",[3042,4422,4423],{"class":3172},"();\n",[3042,4425,4426],{"class":3154,"line":3237},[3042,4427,3463],{"emptyLinePlaceholder":3462},[3042,4429,4430,4432,4435,4437,4439,4441],{"class":3154,"line":3265},[3042,4431,4367],{"class":3158},[3042,4433,4434],{"class":3185}," byCustomerAndStatus",[3042,4436,4373],{"class":3172},[3042,4438,4376],{"class":3185},[3042,4440,2976],{"class":3172},[3042,4442,4381],{"class":3185},[3042,4444,4445,4447,4449,4451,4453,4455,4457,4459,4461,4463,4465,4468,4470,4472,4474,4476,4479,4482],{"class":3154,"line":3288},[3042,4446,4386],{"class":3172},[3042,4448,4389],{"class":3404},[3042,4450,3408],{"class":3172},[3042,4452,4135],{"class":3185},[3042,4454,3447],{"class":3172},[3042,4456,4135],{"class":3185},[3042,4458,2976],{"class":3172},[3042,4460,4180],{"class":3185},[3042,4462,4404],{"class":3172},[3042,4464,4407],{"class":3502},[3042,4466,4467],{"class":3172}," && ",[3042,4469,4135],{"class":3185},[3042,4471,2976],{"class":3172},[3042,4473,4190],{"class":3185},[3042,4475,4404],{"class":3172},[3042,4477,4478],{"class":3666},"\"Delivered\"",[3042,4480,4481],{"class":3172},") ",[3042,4483,4484],{"class":3593},"// A=x AND B=y ✅\n",[3042,4486,4487,4489,4491],{"class":3154,"line":3316},[3042,4488,4386],{"class":3172},[3042,4490,4420],{"class":3404},[3042,4492,4423],{"class":3172},[3042,4494,4495],{"class":3154,"line":3337},[3042,4496,3463],{"emptyLinePlaceholder":3462},[3042,4498,4499],{"class":3154,"line":3358},[3042,4500,4501],{"class":3593},"// Запит, що НЕ скористається:\n",[3042,4503,4504,4506,4509,4511,4513,4515],{"class":3154,"line":3590},[3042,4505,4367],{"class":3158},[3042,4507,4508],{"class":3185}," byStatusOnly",[3042,4510,4373],{"class":3172},[3042,4512,4376],{"class":3185},[3042,4514,2976],{"class":3172},[3042,4516,4381],{"class":3185},[3042,4518,4519,4521,4523,4525,4527,4529,4531,4533,4535,4537,4539,4542],{"class":3154,"line":3597},[3042,4520,4386],{"class":3172},[3042,4522,4389],{"class":3404},[3042,4524,3408],{"class":3172},[3042,4526,4135],{"class":3185},[3042,4528,3447],{"class":3172},[3042,4530,4135],{"class":3185},[3042,4532,2976],{"class":3172},[3042,4534,4190],{"class":3185},[3042,4536,4404],{"class":3172},[3042,4538,4478],{"class":3666},[3042,4540,4541],{"class":3172},")      ",[3042,4543,4544],{"class":3593},"// тільки B ❌\n",[3042,4546,4547,4549,4551],{"class":3154,"line":3620},[3042,4548,4386],{"class":3172},[3042,4550,4420],{"class":3404},[3042,4552,4423],{"class":3172},[3042,4554,4555],{"class":3154,"line":3625},[3042,4556,3463],{"emptyLinePlaceholder":3462},[3042,4558,4559],{"class":3154,"line":3631},[3042,4560,4561],{"class":3593},"// Рішення: окремий індекс на Status або переставити порядок у складеному\n",[2965,4563,4564,4565,4568,4569,4572],{},"Тому порядок стовпців у ",[2981,4566,4567],{},"HasIndex(o => new { o.CustomerId, o.Status })"," ",[2969,4570,4571],{},"критичний",": перший стовпець — той, за яким фільтрують найчастіше.",[3141,4574,4576],{"id":4575},"складений-уніuельний-індекс","Складений уніuельний індекс",[3009,4578,4580],{"className":3147,"code":4579,"language":3149,"meta":3017,"style":3017},"public class Enrollment\n{\n    public int StudentId { get; set; }\n    public int CourseId { get; set; }\n    public DateTime EnrolledAt { get; set; }\n}\n\n// Студент не може бути записаний на курс двічі\nbuilder.HasIndex(e => new { e.StudentId, e.CourseId })\n       .IsUnique()\n       .HasDatabaseName(\"UX_Enrollments_Student_Course\");\n",[2981,4581,4582,4591,4595,4614,4633,4652,4656,4660,4665,4702,4710],{"__ignoreMap":3017},[3042,4583,4584,4586,4588],{"class":3154,"line":3155},[3042,4585,3159],{"class":3158},[3042,4587,3162],{"class":3158},[3042,4589,4590],{"class":3165}," Enrollment\n",[3042,4592,4593],{"class":3154,"line":3169},[3042,4594,3173],{"class":3172},[3042,4596,4597,4599,4601,4604,4606,4608,4610,4612],{"class":3154,"line":3176},[3042,4598,3179],{"class":3158},[3042,4600,3182],{"class":3158},[3042,4602,4603],{"class":3185}," StudentId",[3042,4605,3189],{"class":3172},[3042,4607,3192],{"class":3158},[3042,4609,3195],{"class":3172},[3042,4611,3198],{"class":3158},[3042,4613,3201],{"class":3172},[3042,4615,4616,4618,4620,4623,4625,4627,4629,4631],{"class":3154,"line":3204},[3042,4617,3179],{"class":3158},[3042,4619,3182],{"class":3158},[3042,4621,4622],{"class":3185}," CourseId",[3042,4624,3189],{"class":3172},[3042,4626,3192],{"class":3158},[3042,4628,3195],{"class":3172},[3042,4630,3198],{"class":3158},[3042,4632,3201],{"class":3172},[3042,4634,4635,4637,4639,4642,4644,4646,4648,4650],{"class":3154,"line":3237},[3042,4636,3179],{"class":3158},[3042,4638,3321],{"class":3165},[3042,4640,4641],{"class":3185}," EnrolledAt",[3042,4643,3189],{"class":3172},[3042,4645,3192],{"class":3158},[3042,4647,3195],{"class":3172},[3042,4649,3198],{"class":3158},[3042,4651,3201],{"class":3172},[3042,4653,4654],{"class":3154,"line":3265},[3042,4655,3361],{"class":3172},[3042,4657,4658],{"class":3154,"line":3288},[3042,4659,3463],{"emptyLinePlaceholder":3462},[3042,4661,4662],{"class":3154,"line":3316},[3042,4663,4664],{"class":3593},"// Студент не може бути записаний на курс двічі\n",[3042,4666,4667,4669,4671,4673,4675,4678,4680,4682,4684,4686,4688,4691,4693,4695,4697,4700],{"class":3154,"line":3337},[3042,4668,3421],{"class":3185},[3042,4670,2976],{"class":3172},[3042,4672,3126],{"class":3404},[3042,4674,3408],{"class":3172},[3042,4676,4677],{"class":3185},"e",[3042,4679,3447],{"class":3172},[3042,4681,4171],{"class":3158},[3042,4683,3189],{"class":3172},[3042,4685,4677],{"class":3185},[3042,4687,2976],{"class":3172},[3042,4689,4690],{"class":3185},"StudentId",[3042,4692,4183],{"class":3172},[3042,4694,4677],{"class":3185},[3042,4696,2976],{"class":3172},[3042,4698,4699],{"class":3185},"CourseId",[3042,4701,4193],{"class":3172},[3042,4703,4704,4706,4708],{"class":3154,"line":3358},[3042,4705,3808],{"class":3172},[3042,4707,3811],{"class":3404},[3042,4709,3814],{"class":3172},[3042,4711,4712,4714,4716,4718,4721],{"class":3154,"line":3590},[3042,4713,3808],{"class":3172},[3042,4715,3661],{"class":3404},[3042,4717,3408],{"class":3172},[3042,4719,4720],{"class":3666},"\"UX_Enrollments_Student_Course\"",[3042,4722,3457],{"class":3172},[2996,4724],{},[2960,4726,4728],{"id":4727},"фільтровані-partial-індекси","Фільтровані (Partial) індекси",[2965,4730,4731,4734],{},[2969,4732,4733],{},"Фільтрований індекс"," (filtered або partial index) індексує тільки підмножину рядків, що відповідають умові. Це менший індекс → менше пам'яті → швидші операції запису → ефективніший для специфічних запитів.",[3009,4736,4738],{"className":3147,"code":4737,"language":3149,"meta":3017,"style":3017},"public class Product\n{\n    public int Id { get; set; }\n    public string Name { get; set; } = string.Empty;\n    public bool IsActive { get; set; }\n    public bool IsDeleted { get; set; }\n    public string? Email { get; set; }  // nullable\n    public string Category { get; set; } = string.Empty;\n}\n",[2981,4739,4740,4749,4753,4771,4798,4816,4835,4859,4886],{"__ignoreMap":3017},[3042,4741,4742,4744,4746],{"class":3154,"line":3155},[3042,4743,3159],{"class":3158},[3042,4745,3162],{"class":3158},[3042,4747,4748],{"class":3165}," Product\n",[3042,4750,4751],{"class":3154,"line":3169},[3042,4752,3173],{"class":3172},[3042,4754,4755,4757,4759,4761,4763,4765,4767,4769],{"class":3154,"line":3176},[3042,4756,3179],{"class":3158},[3042,4758,3182],{"class":3158},[3042,4760,3186],{"class":3185},[3042,4762,3189],{"class":3172},[3042,4764,3192],{"class":3158},[3042,4766,3195],{"class":3172},[3042,4768,3198],{"class":3158},[3042,4770,3201],{"class":3172},[3042,4772,4773,4775,4777,4780,4782,4784,4786,4788,4790,4792,4794,4796],{"class":3154,"line":3204},[3042,4774,3179],{"class":3158},[3042,4776,3209],{"class":3158},[3042,4778,4779],{"class":3185}," Name",[3042,4781,3189],{"class":3172},[3042,4783,3192],{"class":3158},[3042,4785,3195],{"class":3172},[3042,4787,3198],{"class":3158},[3042,4789,3223],{"class":3172},[3042,4791,3226],{"class":3158},[3042,4793,2976],{"class":3172},[3042,4795,3231],{"class":3185},[3042,4797,3234],{"class":3172},[3042,4799,4800,4802,4804,4806,4808,4810,4812,4814],{"class":3154,"line":3237},[3042,4801,3179],{"class":3158},[3042,4803,3342],{"class":3158},[3042,4805,3345],{"class":3185},[3042,4807,3189],{"class":3172},[3042,4809,3192],{"class":3158},[3042,4811,3195],{"class":3172},[3042,4813,3198],{"class":3158},[3042,4815,3201],{"class":3172},[3042,4817,4818,4820,4822,4825,4827,4829,4831,4833],{"class":3154,"line":3265},[3042,4819,3179],{"class":3158},[3042,4821,3342],{"class":3158},[3042,4823,4824],{"class":3185}," IsDeleted",[3042,4826,3189],{"class":3172},[3042,4828,3192],{"class":3158},[3042,4830,3195],{"class":3172},[3042,4832,3198],{"class":3158},[3042,4834,3201],{"class":3172},[3042,4836,4837,4839,4841,4843,4845,4847,4849,4851,4853,4856],{"class":3154,"line":3288},[3042,4838,3179],{"class":3158},[3042,4840,3209],{"class":3158},[3042,4842,3272],{"class":3172},[3042,4844,3526],{"class":3185},[3042,4846,3189],{"class":3172},[3042,4848,3192],{"class":3158},[3042,4850,3195],{"class":3172},[3042,4852,3198],{"class":3158},[3042,4854,4855],{"class":3172},"; }  ",[3042,4857,4858],{"class":3593},"// nullable\n",[3042,4860,4861,4863,4865,4868,4870,4872,4874,4876,4878,4880,4882,4884],{"class":3154,"line":3316},[3042,4862,3179],{"class":3158},[3042,4864,3209],{"class":3158},[3042,4866,4867],{"class":3185}," Category",[3042,4869,3189],{"class":3172},[3042,4871,3192],{"class":3158},[3042,4873,3195],{"class":3172},[3042,4875,3198],{"class":3158},[3042,4877,3223],{"class":3172},[3042,4879,3226],{"class":3158},[3042,4881,2976],{"class":3172},[3042,4883,3231],{"class":3185},[3042,4885,3234],{"class":3172},[3042,4887,4888],{"class":3154,"line":3337},[3042,4889,3361],{"class":3172},[3009,4891,4893],{"className":3147,"code":4892,"language":3149,"meta":3017,"style":3017},"public class ProductConfiguration : IEntityTypeConfiguration\u003CProduct>\n{\n    public void Configure(EntityTypeBuilder\u003CProduct> builder)\n    {\n        builder.HasKey(p => p.Id);\n\n        // Фільтрований індекс: тільки активні продукти\n        // Запит \"WHERE IsActive = 1 AND Category = ...\" — використає цей індекс\n        builder.HasIndex(p => p.Category)\n               .HasFilter(\"[IsActive] = 1\")  // SQL Server синтаксис\n               .HasDatabaseName(\"IX_Products_Active_Category\");\n\n        // Фільтрований унікальний індекс: Email унікальний тільки серед не-видалених\n        // NULL Email дозволений для soft-deleted записів\n        builder.HasIndex(p => p.Email)\n               .IsUnique()\n               .HasFilter(\"[IsDeleted] = 0 AND [Email] IS NOT NULL\")\n               .HasDatabaseName(\"UX_Products_Email_NotDeleted\");\n    }\n}\n",[2981,4894,4895,4915,4919,4941,4945,4967,4971,4976,4981,5004,5022,5035,5039,5044,5049,5071,5079,5092,5105,5110],{"__ignoreMap":3017},[3042,4896,4897,4899,4901,4904,4906,4908,4910,4913],{"class":3154,"line":3155},[3042,4898,3159],{"class":3158},[3042,4900,3162],{"class":3158},[3042,4902,4903],{"class":3165}," ProductConfiguration",[3042,4905,3378],{"class":3172},[3042,4907,3381],{"class":3165},[3042,4909,3384],{"class":3172},[3042,4911,4912],{"class":3165},"Product",[3042,4914,3390],{"class":3172},[3042,4916,4917],{"class":3154,"line":3169},[3042,4918,3173],{"class":3172},[3042,4920,4921,4923,4925,4927,4929,4931,4933,4935,4937,4939],{"class":3154,"line":3176},[3042,4922,3179],{"class":3158},[3042,4924,3401],{"class":3158},[3042,4926,3405],{"class":3404},[3042,4928,3408],{"class":3172},[3042,4930,3411],{"class":3165},[3042,4932,3384],{"class":3172},[3042,4934,4912],{"class":3165},[3042,4936,3418],{"class":3172},[3042,4938,3421],{"class":3185},[3042,4940,3424],{"class":3172},[3042,4942,4943],{"class":3154,"line":3204},[3042,4944,3429],{"class":3172},[3042,4946,4947,4949,4951,4953,4955,4957,4959,4961,4963,4965],{"class":3154,"line":3237},[3042,4948,3434],{"class":3185},[3042,4950,2976],{"class":3172},[3042,4952,3439],{"class":3404},[3042,4954,3408],{"class":3172},[3042,4956,2965],{"class":3185},[3042,4958,3447],{"class":3172},[3042,4960,2965],{"class":3185},[3042,4962,2976],{"class":3172},[3042,4964,3454],{"class":3185},[3042,4966,3457],{"class":3172},[3042,4968,4969],{"class":3154,"line":3265},[3042,4970,3463],{"emptyLinePlaceholder":3462},[3042,4972,4973],{"class":3154,"line":3288},[3042,4974,4975],{"class":3593},"        // Фільтрований індекс: тільки активні продукти\n",[3042,4977,4978],{"class":3154,"line":3316},[3042,4979,4980],{"class":3593},"        // Запит \"WHERE IsActive = 1 AND Category = ...\" — використає цей індекс\n",[3042,4982,4983,4985,4987,4989,4991,4993,4995,4997,4999,5002],{"class":3154,"line":3337},[3042,4984,3434],{"class":3185},[3042,4986,2976],{"class":3172},[3042,4988,3126],{"class":3404},[3042,4990,3408],{"class":3172},[3042,4992,2965],{"class":3185},[3042,4994,3447],{"class":3172},[3042,4996,2965],{"class":3185},[3042,4998,2976],{"class":3172},[3042,5000,5001],{"class":3185},"Category",[3042,5003,3424],{"class":3172},[3042,5005,5006,5008,5011,5013,5016,5019],{"class":3154,"line":3358},[3042,5007,3658],{"class":3172},[3042,5009,5010],{"class":3404},"HasFilter",[3042,5012,3408],{"class":3172},[3042,5014,5015],{"class":3666},"\"[IsActive] = 1\"",[3042,5017,5018],{"class":3172},")  ",[3042,5020,5021],{"class":3593},"// SQL Server синтаксис\n",[3042,5023,5024,5026,5028,5030,5033],{"class":3154,"line":3590},[3042,5025,3658],{"class":3172},[3042,5027,3661],{"class":3404},[3042,5029,3408],{"class":3172},[3042,5031,5032],{"class":3666},"\"IX_Products_Active_Category\"",[3042,5034,3457],{"class":3172},[3042,5036,5037],{"class":3154,"line":3597},[3042,5038,3463],{"emptyLinePlaceholder":3462},[3042,5040,5041],{"class":3154,"line":3620},[3042,5042,5043],{"class":3593},"        // Фільтрований унікальний індекс: Email унікальний тільки серед не-видалених\n",[3042,5045,5046],{"class":3154,"line":3625},[3042,5047,5048],{"class":3593},"        // NULL Email дозволений для soft-deleted записів\n",[3042,5050,5051,5053,5055,5057,5059,5061,5063,5065,5067,5069],{"class":3154,"line":3631},[3042,5052,3434],{"class":3185},[3042,5054,2976],{"class":3172},[3042,5056,3126],{"class":3404},[3042,5058,3408],{"class":3172},[3042,5060,2965],{"class":3185},[3042,5062,3447],{"class":3172},[3042,5064,2965],{"class":3185},[3042,5066,2976],{"class":3172},[3042,5068,3526],{"class":3185},[3042,5070,3424],{"class":3172},[3042,5072,5073,5075,5077],{"class":3154,"line":3655},[3042,5074,3658],{"class":3172},[3042,5076,3811],{"class":3404},[3042,5078,3814],{"class":3172},[3042,5080,5081,5083,5085,5087,5090],{"class":3154,"line":3672},[3042,5082,3658],{"class":3172},[3042,5084,5010],{"class":3404},[3042,5086,3408],{"class":3172},[3042,5088,5089],{"class":3666},"\"[IsDeleted] = 0 AND [Email] IS NOT NULL\"",[3042,5091,3424],{"class":3172},[3042,5093,5094,5096,5098,5100,5103],{"class":3154,"line":3678},[3042,5095,3658],{"class":3172},[3042,5097,3661],{"class":3404},[3042,5099,3408],{"class":3172},[3042,5101,5102],{"class":3666},"\"UX_Products_Email_NotDeleted\"",[3042,5104,3457],{"class":3172},[3042,5106,5108],{"class":3154,"line":5107},19,[3042,5109,3675],{"class":3172},[3042,5111,5113],{"class":3154,"line":5112},20,[3042,5114,3361],{"class":3172},[3009,5116,5118],{"className":3686,"code":5117,"language":3688,"meta":3017,"style":3017},"-- SQL Server:\nCREATE INDEX [IX_Products_Active_Category]\n    ON [Products] ([Category])\n    WHERE [IsActive] = 1;\n\nCREATE UNIQUE INDEX [UX_Products_Email_NotDeleted]\n    ON [Products] ([Email])\n    WHERE [IsDeleted] = 0 AND [Email] IS NOT NULL;\n",[2981,5119,5120,5125,5134,5141,5154,5158,5169,5176],{"__ignoreMap":3017},[3042,5121,5122],{"class":3154,"line":3155},[3042,5123,5124],{"class":3593},"-- SQL Server:\n",[3042,5126,5127,5129,5131],{"class":3154,"line":3169},[3042,5128,3695],{"class":3158},[3042,5130,3698],{"class":3158},[3042,5132,5133],{"class":3172}," [IX_Products_Active_Category]\n",[3042,5135,5136,5138],{"class":3154,"line":3176},[3042,5137,3706],{"class":3158},[3042,5139,5140],{"class":3172}," [Products] ([Category])\n",[3042,5142,5143,5146,5149,5152],{"class":3154,"line":3204},[3042,5144,5145],{"class":3158},"    WHERE",[3042,5147,5148],{"class":3172}," [IsActive] = ",[3042,5150,5151],{"class":3502},"1",[3042,5153,3234],{"class":3172},[3042,5155,5156],{"class":3154,"line":3237},[3042,5157,3463],{"emptyLinePlaceholder":3462},[3042,5159,5160,5162,5164,5166],{"class":3154,"line":3265},[3042,5161,3695],{"class":3158},[3042,5163,3839],{"class":3158},[3042,5165,3698],{"class":3158},[3042,5167,5168],{"class":3172}," [UX_Products_Email_NotDeleted]\n",[3042,5170,5171,5173],{"class":3154,"line":3288},[3042,5172,3706],{"class":3158},[3042,5174,5175],{"class":3172}," [Products] ([Email])\n",[3042,5177,5178,5180,5183,5186,5189,5192,5195],{"class":3154,"line":3316},[3042,5179,5145],{"class":3158},[3042,5181,5182],{"class":3172}," [IsDeleted] = ",[3042,5184,5185],{"class":3502},"0",[3042,5187,5188],{"class":3158}," AND",[3042,5190,5191],{"class":3172}," [Email] ",[3042,5193,5194],{"class":3158},"IS NOT NULL",[3042,5196,3234],{"class":3172},[2965,5198,5199],{},"PostgreSQL-варіант:",[3009,5201,5203],{"className":3147,"code":5202,"language":3149,"meta":3017,"style":3017},"// PostgreSQL через Npgsql: HasFilter з PostgreSQL-синтаксисом\nbuilder.HasIndex(p => p.Category)\n       .HasFilter(\"\"\"\\\"IsActive\\\" = true\"\"\")\n       .HasDatabaseName(\"IX_Products_Active_Category\");\n",[2981,5204,5205,5210,5232,5245],{"__ignoreMap":3017},[3042,5206,5207],{"class":3154,"line":3155},[3042,5208,5209],{"class":3593},"// PostgreSQL через Npgsql: HasFilter з PostgreSQL-синтаксисом\n",[3042,5211,5212,5214,5216,5218,5220,5222,5224,5226,5228,5230],{"class":3154,"line":3169},[3042,5213,3421],{"class":3185},[3042,5215,2976],{"class":3172},[3042,5217,3126],{"class":3404},[3042,5219,3408],{"class":3172},[3042,5221,2965],{"class":3185},[3042,5223,3447],{"class":3172},[3042,5225,2965],{"class":3185},[3042,5227,2976],{"class":3172},[3042,5229,5001],{"class":3185},[3042,5231,3424],{"class":3172},[3042,5233,5234,5236,5238,5240,5243],{"class":3154,"line":3176},[3042,5235,3808],{"class":3172},[3042,5237,5010],{"class":3404},[3042,5239,3408],{"class":3172},[3042,5241,5242],{"class":3666},"\"\"\"\\\"IsActive\\\" = true\"\"\"",[3042,5244,3424],{"class":3172},[3042,5246,5247,5249,5251,5253,5255],{"class":3154,"line":3204},[3042,5248,3808],{"class":3172},[3042,5250,3661],{"class":3404},[3042,5252,3408],{"class":3172},[3042,5254,5032],{"class":3666},[3042,5256,3457],{"class":3172},[3009,5258,5260],{"className":3686,"code":5259,"language":3688,"meta":3017,"style":3017},"-- PostgreSQL:\nCREATE INDEX \"IX_Products_Active_Category\"\n    ON \"Products\" (\"Category\")\n    WHERE \"IsActive\" = true;\n",[2981,5261,5262,5267,5282,5297],{"__ignoreMap":3017},[3042,5263,5264],{"class":3154,"line":3155},[3042,5265,5266],{"class":3593},"-- PostgreSQL:\n",[3042,5268,5269,5271,5273,5276,5279],{"class":3154,"line":3169},[3042,5270,3695],{"class":3158},[3042,5272,3698],{"class":3158},[3042,5274,5275],{"class":3172}," \"",[3042,5277,5278],{"class":3404},"IX_Products_Active_Category",[3042,5280,5281],{"class":3172},"\"\n",[3042,5283,5284,5286,5289,5292,5295],{"class":3154,"line":3176},[3042,5285,3706],{"class":3158},[3042,5287,5288],{"class":3666}," \"Products\"",[3042,5290,5291],{"class":3172}," (",[3042,5293,5294],{"class":3666},"\"Category\"",[3042,5296,3424],{"class":3172},[3042,5298,5299,5301,5304],{"class":3154,"line":3204},[3042,5300,5145],{"class":3158},[3042,5302,5303],{"class":3666}," \"IsActive\"",[3042,5305,5306],{"class":3172}," = true;\n",[3141,5308,5310],{"id":5309},"реальний-сценарій-soft-delete-фільтрований-індекс","Реальний сценарій: Soft Delete + фільтрований індекс",[2965,5312,5313,5314,5317,5318,5321,5322,5325,5326,5328],{},"Soft Delete — частий патерн у EF Core (через ",[2981,5315,5316],{},"IsDeleted"," або ",[2981,5319,5320],{},"DeletedAt","). Без фільтрованого індексу звичайний індекс включатиме ",[2969,5323,5324],{},"всі"," видалені рядки — тобто для таблиці з 1M записів, 800K з яких видалені, індекс на ",[2981,5327,3526],{}," для 200K активних є надлишковим і менш ефективним.",[3009,5330,5332],{"className":3147,"code":5331,"language":3149,"meta":3017,"style":3017},"// Global Query Filter для soft delete\nbuilder.HasQueryFilter(p => !p.IsDeleted);\n\n// Фільтрований індекс: тільки по активних рядках\nbuilder.HasIndex(p => new { p.Category, p.IsActive })\n       .HasFilter(\"[IsDeleted] = 0\")\n       .HasDatabaseName(\"IX_Products_NotDeleted_Category_IsActive\");\n",[2981,5333,5334,5339,5363,5367,5372,5407,5420],{"__ignoreMap":3017},[3042,5335,5336],{"class":3154,"line":3155},[3042,5337,5338],{"class":3593},"// Global Query Filter для soft delete\n",[3042,5340,5341,5343,5345,5348,5350,5352,5355,5357,5359,5361],{"class":3154,"line":3169},[3042,5342,3421],{"class":3185},[3042,5344,2976],{"class":3172},[3042,5346,5347],{"class":3404},"HasQueryFilter",[3042,5349,3408],{"class":3172},[3042,5351,2965],{"class":3185},[3042,5353,5354],{"class":3172}," => !",[3042,5356,2965],{"class":3185},[3042,5358,2976],{"class":3172},[3042,5360,5316],{"class":3185},[3042,5362,3457],{"class":3172},[3042,5364,5365],{"class":3154,"line":3176},[3042,5366,3463],{"emptyLinePlaceholder":3462},[3042,5368,5369],{"class":3154,"line":3204},[3042,5370,5371],{"class":3593},"// Фільтрований індекс: тільки по активних рядках\n",[3042,5373,5374,5376,5378,5380,5382,5384,5386,5388,5390,5392,5394,5396,5398,5400,5402,5405],{"class":3154,"line":3237},[3042,5375,3421],{"class":3185},[3042,5377,2976],{"class":3172},[3042,5379,3126],{"class":3404},[3042,5381,3408],{"class":3172},[3042,5383,2965],{"class":3185},[3042,5385,3447],{"class":3172},[3042,5387,4171],{"class":3158},[3042,5389,3189],{"class":3172},[3042,5391,2965],{"class":3185},[3042,5393,2976],{"class":3172},[3042,5395,5001],{"class":3185},[3042,5397,4183],{"class":3172},[3042,5399,2965],{"class":3185},[3042,5401,2976],{"class":3172},[3042,5403,5404],{"class":3185},"IsActive",[3042,5406,4193],{"class":3172},[3042,5408,5409,5411,5413,5415,5418],{"class":3154,"line":3265},[3042,5410,3808],{"class":3172},[3042,5412,5010],{"class":3404},[3042,5414,3408],{"class":3172},[3042,5416,5417],{"class":3666},"\"[IsDeleted] = 0\"",[3042,5419,3424],{"class":3172},[3042,5421,5422,5424,5426,5428,5431],{"class":3154,"line":3288},[3042,5423,3808],{"class":3172},[3042,5425,3661],{"class":3404},[3042,5427,3408],{"class":3172},[3042,5429,5430],{"class":3666},"\"IX_Products_NotDeleted_Category_IsActive\"",[3042,5432,3457],{"class":3172},[2965,5434,5435],{},"Тепер індекс займає менше місця і є більш ефективним для запитів по активним записам.",[2996,5437],{},[2960,5439,5441],{"id":5440},"include-columns-covering-indexes","Include columns: Covering Indexes",[2965,5443,5444,5447,5448,5451,5452,5455],{},[2969,5445,5446],{},"Covering Index"," (покриваючий індекс) — індекс, що містить не лише ключові стовпці, але й ",[2969,5449,5450],{},"додаткові стовпці"," для відповіді на запит без звернення до основної таблиці (heap). Це дозволяє уникнути ",[2969,5453,5454],{},"bookmark lookup"," (зворотнього звернення до heap).",[3141,5457,5459],{"id":5458},"проблема-bookmark-lookup","Проблема bookmark lookup",[3009,5461,5463],{"className":3147,"code":5462,"language":3149,"meta":3017,"style":3017},"// Запит: отримати Name і Price всіх Product за Category\nvar products = context.Products\n    .Where(p => p.Category == \"Electronics\")\n    .Select(p => new { p.Name, p.Price })\n    .ToListAsync();\n",[2981,5464,5465,5470,5486,5511,5546],{"__ignoreMap":3017},[3042,5466,5467],{"class":3154,"line":3155},[3042,5468,5469],{"class":3593},"// Запит: отримати Name і Price всіх Product за Category\n",[3042,5471,5472,5474,5477,5479,5481,5483],{"class":3154,"line":3169},[3042,5473,4367],{"class":3158},[3042,5475,5476],{"class":3185}," products",[3042,5478,4373],{"class":3172},[3042,5480,4376],{"class":3185},[3042,5482,2976],{"class":3172},[3042,5484,5485],{"class":3185},"Products\n",[3042,5487,5488,5490,5492,5494,5496,5498,5500,5502,5504,5506,5509],{"class":3154,"line":3176},[3042,5489,4386],{"class":3172},[3042,5491,4389],{"class":3404},[3042,5493,3408],{"class":3172},[3042,5495,2965],{"class":3185},[3042,5497,3447],{"class":3172},[3042,5499,2965],{"class":3185},[3042,5501,2976],{"class":3172},[3042,5503,5001],{"class":3185},[3042,5505,4404],{"class":3172},[3042,5507,5508],{"class":3666},"\"Electronics\"",[3042,5510,3424],{"class":3172},[3042,5512,5513,5515,5518,5520,5522,5524,5526,5528,5530,5532,5535,5537,5539,5541,5544],{"class":3154,"line":3204},[3042,5514,4386],{"class":3172},[3042,5516,5517],{"class":3404},"Select",[3042,5519,3408],{"class":3172},[3042,5521,2965],{"class":3185},[3042,5523,3447],{"class":3172},[3042,5525,4171],{"class":3158},[3042,5527,3189],{"class":3172},[3042,5529,2965],{"class":3185},[3042,5531,2976],{"class":3172},[3042,5533,5534],{"class":3185},"Name",[3042,5536,4183],{"class":3172},[3042,5538,2965],{"class":3185},[3042,5540,2976],{"class":3172},[3042,5542,5543],{"class":3185},"Price",[3042,5545,4193],{"class":3172},[3042,5547,5548,5550,5553],{"class":3154,"line":3237},[3042,5549,4386],{"class":3172},[3042,5551,5552],{"class":3404},"ToListAsync",[3042,5554,4423],{"class":3172},[2965,5556,5557,5558,5561],{},"Якщо є ",[2981,5559,5560],{},"INDEX (Category)",", SQL Server:",[3028,5563,5564,5573],{},[3031,5565,5566,5567,5569,5570],{},"Сканує індекс → знаходить всі ",[2981,5568,3454],{}," рядків з ",[2981,5571,5572],{},"Category = 'Electronics'",[3031,5574,5575,5576,5578,5579,5581,5582,5584,5585],{},"Для кожного ",[2981,5577,3454],{}," — ",[2969,5580,5454],{}," до heap → читає рядок → бере ",[2981,5583,5534],{}," і ",[2981,5586,5543],{},[2965,5588,5589,5590,2976],{},"При 10K рядків категорії — 10K bookmark lookups. Це ",[2969,5591,5592],{},"дорого",[3141,5594,5596],{"id":5595},"рішення-includeproperties","Рішення: IncludeProperties",[3009,5598,5600],{"className":3147,"code":5599,"language":3149,"meta":3017,"style":3017},"// Covering index: Category + включаємо Name і Price\nbuilder.HasIndex(p => p.Category)\n       .IncludeProperties(p => new { p.Name, p.Price })\n       .HasDatabaseName(\"IX_Products_Category_Covering\");\n",[2981,5601,5602,5607,5629,5662],{"__ignoreMap":3017},[3042,5603,5604],{"class":3154,"line":3155},[3042,5605,5606],{"class":3593},"// Covering index: Category + включаємо Name і Price\n",[3042,5608,5609,5611,5613,5615,5617,5619,5621,5623,5625,5627],{"class":3154,"line":3169},[3042,5610,3421],{"class":3185},[3042,5612,2976],{"class":3172},[3042,5614,3126],{"class":3404},[3042,5616,3408],{"class":3172},[3042,5618,2965],{"class":3185},[3042,5620,3447],{"class":3172},[3042,5622,2965],{"class":3185},[3042,5624,2976],{"class":3172},[3042,5626,5001],{"class":3185},[3042,5628,3424],{"class":3172},[3042,5630,5631,5633,5636,5638,5640,5642,5644,5646,5648,5650,5652,5654,5656,5658,5660],{"class":3154,"line":3176},[3042,5632,3808],{"class":3172},[3042,5634,5635],{"class":3404},"IncludeProperties",[3042,5637,3408],{"class":3172},[3042,5639,2965],{"class":3185},[3042,5641,3447],{"class":3172},[3042,5643,4171],{"class":3158},[3042,5645,3189],{"class":3172},[3042,5647,2965],{"class":3185},[3042,5649,2976],{"class":3172},[3042,5651,5534],{"class":3185},[3042,5653,4183],{"class":3172},[3042,5655,2965],{"class":3185},[3042,5657,2976],{"class":3172},[3042,5659,5543],{"class":3185},[3042,5661,4193],{"class":3172},[3042,5663,5664,5666,5668,5670,5673],{"class":3154,"line":3204},[3042,5665,3808],{"class":3172},[3042,5667,3661],{"class":3404},[3042,5669,3408],{"class":3172},[3042,5671,5672],{"class":3666},"\"IX_Products_Category_Covering\"",[3042,5674,3457],{"class":3172},[3009,5676,5678],{"className":3686,"code":5677,"language":3688,"meta":3017,"style":3017},"CREATE INDEX [IX_Products_Category_Covering]\n    ON [Products] ([Category])\n    INCLUDE ([Name], [Price]);  -- SQL Server\n    -- PostgreSQL: INCLUDE (Name, Price) теж підтримується\n",[2981,5679,5680,5689,5695,5706],{"__ignoreMap":3017},[3042,5681,5682,5684,5686],{"class":3154,"line":3155},[3042,5683,3695],{"class":3158},[3042,5685,3698],{"class":3158},[3042,5687,5688],{"class":3172}," [IX_Products_Category_Covering]\n",[3042,5690,5691,5693],{"class":3154,"line":3169},[3042,5692,3706],{"class":3158},[3042,5694,5140],{"class":3172},[3042,5696,5697,5700,5703],{"class":3154,"line":3176},[3042,5698,5699],{"class":3158},"    INCLUDE",[3042,5701,5702],{"class":3172}," ([Name], [Price]);  ",[3042,5704,5705],{"class":3593},"-- SQL Server\n",[3042,5707,5708],{"class":3154,"line":3204},[3042,5709,5710],{"class":3593},"    -- PostgreSQL: INCLUDE (Name, Price) теж підтримується\n",[2965,5712,5713,5714,5717],{},"Тепер для запиту ",[2981,5715,5716],{},"WHERE Category = 'Electronics' SELECT Name, Price"," — SQL Server читає лише індекс, без звернення до heap. Результат: значно менше IO.",[5719,5720,5721,5724,5725,5727,5728,4183,5731,5734],"tip",{},[2969,5722,5723],{},"Правило Covering Index",": Якщо запит часто читає ті самі кілька стовпців після фільтрації — розгляньте ",[2981,5726,5635],{},". Але: включення великих стовпців (",[2981,5729,5730],{},"nvarchar(max)",[2981,5732,5733],{},"varbinary(max)",") у INCLUDE значно збільшує розмір індексу. Оптимально включати лише невеликі, часто читані стовпці.",[3141,5736,5738],{"id":5737},"складений-covering-index","Складений covering index",[3009,5740,5742],{"className":3147,"code":5741,"language":3149,"meta":3017,"style":3017},"public class OrderItem\n{\n    public int Id { get; set; }\n    public int OrderId { get; set; }\n    public int ProductId { get; set; }\n    public int Quantity { get; set; }\n    public decimal UnitPrice { get; set; }\n    public string ProductSku { get; set; } = string.Empty;\n}\n",[2981,5743,5744,5753,5757,5775,5794,5813,5832,5851,5878],{"__ignoreMap":3017},[3042,5745,5746,5748,5750],{"class":3154,"line":3155},[3042,5747,3159],{"class":3158},[3042,5749,3162],{"class":3158},[3042,5751,5752],{"class":3165}," OrderItem\n",[3042,5754,5755],{"class":3154,"line":3169},[3042,5756,3173],{"class":3172},[3042,5758,5759,5761,5763,5765,5767,5769,5771,5773],{"class":3154,"line":3176},[3042,5760,3179],{"class":3158},[3042,5762,3182],{"class":3158},[3042,5764,3186],{"class":3185},[3042,5766,3189],{"class":3172},[3042,5768,3192],{"class":3158},[3042,5770,3195],{"class":3172},[3042,5772,3198],{"class":3158},[3042,5774,3201],{"class":3172},[3042,5776,5777,5779,5781,5784,5786,5788,5790,5792],{"class":3154,"line":3204},[3042,5778,3179],{"class":3158},[3042,5780,3182],{"class":3158},[3042,5782,5783],{"class":3185}," OrderId",[3042,5785,3189],{"class":3172},[3042,5787,3192],{"class":3158},[3042,5789,3195],{"class":3172},[3042,5791,3198],{"class":3158},[3042,5793,3201],{"class":3172},[3042,5795,5796,5798,5800,5803,5805,5807,5809,5811],{"class":3154,"line":3237},[3042,5797,3179],{"class":3158},[3042,5799,3182],{"class":3158},[3042,5801,5802],{"class":3185}," ProductId",[3042,5804,3189],{"class":3172},[3042,5806,3192],{"class":3158},[3042,5808,3195],{"class":3172},[3042,5810,3198],{"class":3158},[3042,5812,3201],{"class":3172},[3042,5814,5815,5817,5819,5822,5824,5826,5828,5830],{"class":3154,"line":3265},[3042,5816,3179],{"class":3158},[3042,5818,3182],{"class":3158},[3042,5820,5821],{"class":3185}," Quantity",[3042,5823,3189],{"class":3172},[3042,5825,3192],{"class":3158},[3042,5827,3195],{"class":3172},[3042,5829,3198],{"class":3158},[3042,5831,3201],{"class":3172},[3042,5833,5834,5836,5838,5841,5843,5845,5847,5849],{"class":3154,"line":3288},[3042,5835,3179],{"class":3158},[3042,5837,4024],{"class":3158},[3042,5839,5840],{"class":3185}," UnitPrice",[3042,5842,3189],{"class":3172},[3042,5844,3192],{"class":3158},[3042,5846,3195],{"class":3172},[3042,5848,3198],{"class":3158},[3042,5850,3201],{"class":3172},[3042,5852,5853,5855,5857,5860,5862,5864,5866,5868,5870,5872,5874,5876],{"class":3154,"line":3316},[3042,5854,3179],{"class":3158},[3042,5856,3209],{"class":3158},[3042,5858,5859],{"class":3185}," ProductSku",[3042,5861,3189],{"class":3172},[3042,5863,3192],{"class":3158},[3042,5865,3195],{"class":3172},[3042,5867,3198],{"class":3158},[3042,5869,3223],{"class":3172},[3042,5871,3226],{"class":3158},[3042,5873,2976],{"class":3172},[3042,5875,3231],{"class":3185},[3042,5877,3234],{"class":3172},[3042,5879,5880],{"class":3154,"line":3337},[3042,5881,3361],{"class":3172},[3009,5883,5885],{"className":3147,"code":5884,"language":3149,"meta":3017,"style":3017},"// Частий запит: \"рядки замовлення для конкретного замовлення: Id, Quantity, UnitPrice\"\nbuilder.HasIndex(oi => oi.OrderId)\n       .IncludeProperties(oi => new { oi.ProductId, oi.Quantity, oi.UnitPrice })\n       .HasDatabaseName(\"IX_OrderItems_OrderId_Covering\");\n",[2981,5886,5887,5892,5916,5959],{"__ignoreMap":3017},[3042,5888,5889],{"class":3154,"line":3155},[3042,5890,5891],{"class":3593},"// Частий запит: \"рядки замовлення для конкретного замовлення: Id, Quantity, UnitPrice\"\n",[3042,5893,5894,5896,5898,5900,5902,5905,5907,5909,5911,5914],{"class":3154,"line":3169},[3042,5895,3421],{"class":3185},[3042,5897,2976],{"class":3172},[3042,5899,3126],{"class":3404},[3042,5901,3408],{"class":3172},[3042,5903,5904],{"class":3185},"oi",[3042,5906,3447],{"class":3172},[3042,5908,5904],{"class":3185},[3042,5910,2976],{"class":3172},[3042,5912,5913],{"class":3185},"OrderId",[3042,5915,3424],{"class":3172},[3042,5917,5918,5920,5922,5924,5926,5928,5930,5932,5934,5936,5939,5941,5943,5945,5948,5950,5952,5954,5957],{"class":3154,"line":3176},[3042,5919,3808],{"class":3172},[3042,5921,5635],{"class":3404},[3042,5923,3408],{"class":3172},[3042,5925,5904],{"class":3185},[3042,5927,3447],{"class":3172},[3042,5929,4171],{"class":3158},[3042,5931,3189],{"class":3172},[3042,5933,5904],{"class":3185},[3042,5935,2976],{"class":3172},[3042,5937,5938],{"class":3185},"ProductId",[3042,5940,4183],{"class":3172},[3042,5942,5904],{"class":3185},[3042,5944,2976],{"class":3172},[3042,5946,5947],{"class":3185},"Quantity",[3042,5949,4183],{"class":3172},[3042,5951,5904],{"class":3185},[3042,5953,2976],{"class":3172},[3042,5955,5956],{"class":3185},"UnitPrice",[3042,5958,4193],{"class":3172},[3042,5960,5961,5963,5965,5967,5970],{"class":3154,"line":3204},[3042,5962,3808],{"class":3172},[3042,5964,3661],{"class":3404},[3042,5966,3408],{"class":3172},[3042,5968,5969],{"class":3666},"\"IX_OrderItems_OrderId_Covering\"",[3042,5971,3457],{"class":3172},[3009,5973,5975],{"className":3686,"code":5974,"language":3688,"meta":3017,"style":3017},"CREATE INDEX [IX_OrderItems_OrderId_Covering]\n    ON [OrderItems] ([OrderId])\n    INCLUDE ([ProductId], [Quantity], [UnitPrice]);\n",[2981,5976,5977,5986,5993],{"__ignoreMap":3017},[3042,5978,5979,5981,5983],{"class":3154,"line":3155},[3042,5980,3695],{"class":3158},[3042,5982,3698],{"class":3158},[3042,5984,5985],{"class":3172}," [IX_OrderItems_OrderId_Covering]\n",[3042,5987,5988,5990],{"class":3154,"line":3169},[3042,5989,3706],{"class":3158},[3042,5991,5992],{"class":3172}," [OrderItems] ([OrderId])\n",[3042,5994,5995,5997],{"class":3154,"line":3176},[3042,5996,5699],{"class":3158},[3042,5998,5999],{"class":3172}," ([ProductId], [Quantity], [UnitPrice]);\n",[2996,6001],{},[2960,6003,6005],{"id":6004},"primary-key-vs-alternate-key-vs-unique-index","Primary Key vs Alternate Key vs Unique Index",[2965,6007,6008],{},"Це три різних механізми, що часто плутають. Розберемо відмінності:",[3141,6010,6012],{"id":6011},"primary-key","Primary Key",[3009,6014,6016],{"className":3147,"code":6015,"language":3149,"meta":3017,"style":3017},"builder.HasKey(e => e.Id);\n// або складений:\nbuilder.HasKey(e => new { e.StudentId, e.CourseId });\n",[2981,6017,6018,6040,6045],{"__ignoreMap":3017},[3042,6019,6020,6022,6024,6026,6028,6030,6032,6034,6036,6038],{"class":3154,"line":3155},[3042,6021,3421],{"class":3185},[3042,6023,2976],{"class":3172},[3042,6025,3439],{"class":3404},[3042,6027,3408],{"class":3172},[3042,6029,4677],{"class":3185},[3042,6031,3447],{"class":3172},[3042,6033,4677],{"class":3185},[3042,6035,2976],{"class":3172},[3042,6037,3454],{"class":3185},[3042,6039,3457],{"class":3172},[3042,6041,6042],{"class":3154,"line":3169},[3042,6043,6044],{"class":3593},"// або складений:\n",[3042,6046,6047,6049,6051,6053,6055,6057,6059,6061,6063,6065,6067,6069,6071,6073,6075,6077],{"class":3154,"line":3176},[3042,6048,3421],{"class":3185},[3042,6050,2976],{"class":3172},[3042,6052,3439],{"class":3404},[3042,6054,3408],{"class":3172},[3042,6056,4677],{"class":3185},[3042,6058,3447],{"class":3172},[3042,6060,4171],{"class":3158},[3042,6062,3189],{"class":3172},[3042,6064,4677],{"class":3185},[3042,6066,2976],{"class":3172},[3042,6068,4690],{"class":3185},[3042,6070,4183],{"class":3172},[3042,6072,4677],{"class":3185},[3042,6074,2976],{"class":3172},[3042,6076,4699],{"class":3185},[3042,6078,6079],{"class":3172}," });\n",[3064,6081,6082,6088,6096,6106],{},[3031,6083,6084,6087],{},[2969,6085,6086],{},"Гарантує",": унікальність + NOT NULL",[3031,6089,6090,3889,6093],{},[2969,6091,6092],{},"DDL",[2981,6094,6095],{},"CONSTRAINT PK_... PRIMARY KEY",[3031,6097,6098,6101,6102,6105],{},[2969,6099,6100],{},"Clustered",": у SQL Server PK за замовчуванням ",[2969,6103,6104],{},"clustered"," — рядки фізично збережені у порядку PK. PostgreSQL PK — завжди нецластерований heap + B-tree.",[3031,6107,6108,6111],{},[2969,6109,6110],{},"FK target",": так, будь-яка FK може вказувати на PK",[3141,6113,6115],{"id":6114},"alternate-key","Alternate Key",[3009,6117,6119],{"className":3147,"code":6118,"language":3149,"meta":3017,"style":3017},"// Alternate Key: унікальний ідентифікатор, що є можливим FK target\nbuilder.HasAlternateKey(p => p.Isbn);\n// або складений:\nbuilder.HasAlternateKey(a => new { a.FirstName, a.LastName });\n",[2981,6120,6121,6126,6149,6153],{"__ignoreMap":3017},[3042,6122,6123],{"class":3154,"line":3155},[3042,6124,6125],{"class":3593},"// Alternate Key: унікальний ідентифікатор, що є можливим FK target\n",[3042,6127,6128,6130,6132,6134,6136,6138,6140,6142,6144,6147],{"class":3154,"line":3169},[3042,6129,3421],{"class":3185},[3042,6131,2976],{"class":3172},[3042,6133,3900],{"class":3404},[3042,6135,3408],{"class":3172},[3042,6137,2965],{"class":3185},[3042,6139,3447],{"class":3172},[3042,6141,2965],{"class":3185},[3042,6143,2976],{"class":3172},[3042,6145,6146],{"class":3185},"Isbn",[3042,6148,3457],{"class":3172},[3042,6150,6151],{"class":3154,"line":3176},[3042,6152,6044],{"class":3593},[3042,6154,6155,6157,6159,6161,6163,6166,6168,6170,6172,6174,6176,6179,6181,6183,6185,6188],{"class":3154,"line":3204},[3042,6156,3421],{"class":3185},[3042,6158,2976],{"class":3172},[3042,6160,3900],{"class":3404},[3042,6162,3408],{"class":3172},[3042,6164,6165],{"class":3185},"a",[3042,6167,3447],{"class":3172},[3042,6169,4171],{"class":3158},[3042,6171,3189],{"class":3172},[3042,6173,6165],{"class":3185},[3042,6175,2976],{"class":3172},[3042,6177,6178],{"class":3185},"FirstName",[3042,6180,4183],{"class":3172},[3042,6182,6165],{"class":3185},[3042,6184,2976],{"class":3172},[3042,6186,6187],{"class":3185},"LastName",[3042,6189,6079],{"class":3172},[3009,6191,6193],{"className":3686,"code":6192,"language":3688,"meta":3017,"style":3017},"ALTER TABLE [Products]\n    ADD CONSTRAINT [AK_Products_Isbn] UNIQUE ([Isbn]);\n",[2981,6194,6195,6204],{"__ignoreMap":3017},[3042,6196,6197,6199,6201],{"class":3154,"line":3155},[3042,6198,3861],{"class":3158},[3042,6200,3864],{"class":3158},[3042,6202,6203],{"class":3172}," [Products]\n",[3042,6205,6206,6209,6211,6214,6216],{"class":3154,"line":3169},[3042,6207,6208],{"class":3158},"    ADD",[3042,6210,3873],{"class":3158},[3042,6212,6213],{"class":3172}," [AK_Products_Isbn] ",[3042,6215,3879],{"class":3158},[3042,6217,6218],{"class":3172}," ([Isbn]);\n",[3064,6220,6221,6226,6233,6238],{},[3031,6222,6223,6225],{},[2969,6224,6086],{},": унікальність + NOT NULL (у SQL Server через UNIQUE CONSTRAINT)",[3031,6227,6228,3889,6230],{},[2969,6229,6092],{},[2981,6231,6232],{},"CONSTRAINT AK_... UNIQUE",[3031,6234,6235,6237],{},[2969,6236,6110],{},": так! Це головна відмінність від Unique Index",[3031,6239,6240,3889,6243,6246],{},[2969,6241,6242],{},"Використання",[2981,6244,6245],{},"builder.HasOne().WithMany().HasPrincipalKey(p => p.Isbn)"," — FK вказує на AK",[3141,6248,6250],{"id":6249},"unique-index","Unique Index",[3009,6252,6254],{"className":3147,"code":6253,"language":3149,"meta":3017,"style":3017},"builder.HasIndex(c => c.Email).IsUnique();\n",[2981,6255,6256],{"__ignoreMap":3017},[3042,6257,6258,6260,6262,6264,6266,6268,6270,6272,6274,6276,6278,6280],{"class":3154,"line":3155},[3042,6259,3421],{"class":3185},[3042,6261,2976],{"class":3172},[3042,6263,3126],{"class":3404},[3042,6265,3408],{"class":3172},[3042,6267,3444],{"class":3185},[3042,6269,3447],{"class":3172},[3042,6271,3444],{"class":3185},[3042,6273,2976],{"class":3172},[3042,6275,3526],{"class":3185},[3042,6277,3488],{"class":3172},[3042,6279,3811],{"class":3404},[3042,6281,4423],{"class":3172},[3009,6283,6285],{"className":3686,"code":6284,"language":3688,"meta":3017,"style":3017},"CREATE UNIQUE INDEX [IX_Customers_Email] ON [Customers] ([Email]);\n",[2981,6286,6287],{"__ignoreMap":3017},[3042,6288,6289,6291,6293,6295,6298,6301],{"class":3154,"line":3155},[3042,6290,3695],{"class":3158},[3042,6292,3839],{"class":3158},[3042,6294,3698],{"class":3158},[3042,6296,6297],{"class":3172}," [IX_Customers_Email] ",[3042,6299,6300],{"class":3158},"ON",[3042,6302,3851],{"class":3172},[3064,6304,6305,6310,6317,6322],{},[3031,6306,6307,6309],{},[2969,6308,6086],{},": унікальність (NULL зазвичай дозволений — залежить від СУБД)",[3031,6311,6312,3889,6314],{},[2969,6313,6092],{},[2981,6315,6316],{},"CREATE UNIQUE INDEX",[3031,6318,6319,6321],{},[2969,6320,6110],{},": технічно ні у стандарті SQL, але деякі СУБД дозволяють",[3031,6323,6324,6326],{},[2969,6325,6242],{},": коли потрібна тільки унікальність без FK",[3141,6328,6330],{"id":6329},"порівняльна-таблиця","Порівняльна таблиця",[6332,6333,6334,6349],"table",{},[6335,6336,6337],"thead",{},[6338,6339,6340,6343,6345,6347],"tr",{},[6341,6342],"th",{},[6341,6344,6012],{},[6341,6346,6115],{},[6341,6348,6250],{},[6350,6351,6352,6373,6389,6402,6417],"tbody",{},[6338,6353,6354,6360,6365,6369],{},[6355,6356,6357],"td",{},[2969,6358,6359],{},"Флуент API",[6355,6361,6362],{},[2981,6363,6364],{},"HasKey()",[6355,6366,6367],{},[2981,6368,3892],{},[6355,6370,6371],{},[2981,6372,3896],{},[6338,6374,6375,6380,6383,6386],{},[6355,6376,6377],{},[2969,6378,6379],{},"NOT NULL",[6355,6381,6382],{},"Завжди",[6355,6384,6385],{},"Так",[6355,6387,6388],{},"NULL може дублюватись (1 запис)",[6338,6390,6391,6395,6397,6399],{},[6355,6392,6393],{},[2969,6394,6110],{},[6355,6396,6385],{},[6355,6398,6385],{},[6355,6400,6401],{},"Зазвичай ні",[6338,6403,6404,6409,6412,6415],{},[6355,6405,6406],{},[2969,6407,6408],{},"Кількість",[6355,6410,6411],{},"Один",[6355,6413,6414],{},"Декілька",[6355,6416,6414],{},[6338,6418,6419,6423,6428,6433],{},[6355,6420,6421],{},[2969,6422,6092],{},[6355,6424,6425],{},[2981,6426,6427],{},"PRIMARY KEY",[6355,6429,6430],{},[2981,6431,6432],{},"UNIQUE CONSTRAINT",[6355,6434,6435],{},[2981,6436,6437],{},"UNIQUE INDEX",[2996,6439],{},[2960,6441,6443],{"id":6442},"full-text-index-провайдерний","Full-Text Index (провайдерний)",[2965,6445,6446,6447,2976],{},"EF Core не підтримує Full-Text Search нативно — це провайдерна функція. Але можна додати через ",[2981,6448,6449],{},"migrationBuilder.Sql()",[3141,6451,6453],{"id":6452},"sql-server-full-text-index","SQL Server Full-Text Index",[3009,6455,6457],{"className":3147,"code":6456,"language":3149,"meta":3017,"style":3017},"public partial class AddFullTextIndex : Migration\n{\n    protected override void Up(MigrationBuilder migrationBuilder)\n    {\n        // Потрібен Full-Text Catalog\n        migrationBuilder.Sql(@\"\n            IF NOT EXISTS (SELECT * FROM sys.fulltext_catalogs WHERE name = 'ProductsCatalog')\n                CREATE FULLTEXT CATALOG [ProductsCatalog] AS DEFAULT;\n\n            CREATE FULLTEXT INDEX ON [Products] ([Name], [Description])\n                KEY INDEX [PK_Products]\n                ON [ProductsCatalog]\n                WITH CHANGE_TRACKING AUTO;\n        \");\n    }\n\n    protected override void Down(MigrationBuilder migrationBuilder)\n    {\n        migrationBuilder.Sql(\"DROP FULLTEXT INDEX ON [Products];\");\n    }\n}\n",[2981,6458,6459,6476,6480,6503,6507,6512,6527,6532,6537,6541,6546,6551,6556,6561,6568,6572,6576,6595,6599,6614,6618],{"__ignoreMap":3017},[3042,6460,6461,6463,6466,6468,6471,6473],{"class":3154,"line":3155},[3042,6462,3159],{"class":3158},[3042,6464,6465],{"class":3158}," partial",[3042,6467,3162],{"class":3158},[3042,6469,6470],{"class":3165}," AddFullTextIndex",[3042,6472,3378],{"class":3172},[3042,6474,6475],{"class":3165},"Migration\n",[3042,6477,6478],{"class":3154,"line":3169},[3042,6479,3173],{"class":3172},[3042,6481,6482,6485,6488,6490,6493,6495,6498,6501],{"class":3154,"line":3176},[3042,6483,6484],{"class":3158},"    protected",[3042,6486,6487],{"class":3158}," override",[3042,6489,3401],{"class":3158},[3042,6491,6492],{"class":3404}," Up",[3042,6494,3408],{"class":3172},[3042,6496,6497],{"class":3165},"MigrationBuilder",[3042,6499,6500],{"class":3185}," migrationBuilder",[3042,6502,3424],{"class":3172},[3042,6504,6505],{"class":3154,"line":3204},[3042,6506,3429],{"class":3172},[3042,6508,6509],{"class":3154,"line":3237},[3042,6510,6511],{"class":3593},"        // Потрібен Full-Text Catalog\n",[3042,6513,6514,6517,6519,6522,6524],{"class":3154,"line":3265},[3042,6515,6516],{"class":3185},"        migrationBuilder",[3042,6518,2976],{"class":3172},[3042,6520,6521],{"class":3404},"Sql",[3042,6523,3408],{"class":3172},[3042,6525,6526],{"class":3666},"@\"\n",[3042,6528,6529],{"class":3154,"line":3288},[3042,6530,6531],{"class":3666},"            IF NOT EXISTS (SELECT * FROM sys.fulltext_catalogs WHERE name = 'ProductsCatalog')\n",[3042,6533,6534],{"class":3154,"line":3316},[3042,6535,6536],{"class":3666},"                CREATE FULLTEXT CATALOG [ProductsCatalog] AS DEFAULT;\n",[3042,6538,6539],{"class":3154,"line":3337},[3042,6540,3463],{"emptyLinePlaceholder":3462},[3042,6542,6543],{"class":3154,"line":3358},[3042,6544,6545],{"class":3666},"            CREATE FULLTEXT INDEX ON [Products] ([Name], [Description])\n",[3042,6547,6548],{"class":3154,"line":3590},[3042,6549,6550],{"class":3666},"                KEY INDEX [PK_Products]\n",[3042,6552,6553],{"class":3154,"line":3597},[3042,6554,6555],{"class":3666},"                ON [ProductsCatalog]\n",[3042,6557,6558],{"class":3154,"line":3620},[3042,6559,6560],{"class":3666},"                WITH CHANGE_TRACKING AUTO;\n",[3042,6562,6563,6566],{"class":3154,"line":3625},[3042,6564,6565],{"class":3666},"        \"",[3042,6567,3457],{"class":3172},[3042,6569,6570],{"class":3154,"line":3631},[3042,6571,3675],{"class":3172},[3042,6573,6574],{"class":3154,"line":3655},[3042,6575,3463],{"emptyLinePlaceholder":3462},[3042,6577,6578,6580,6582,6584,6587,6589,6591,6593],{"class":3154,"line":3672},[3042,6579,6484],{"class":3158},[3042,6581,6487],{"class":3158},[3042,6583,3401],{"class":3158},[3042,6585,6586],{"class":3404}," Down",[3042,6588,3408],{"class":3172},[3042,6590,6497],{"class":3165},[3042,6592,6500],{"class":3185},[3042,6594,3424],{"class":3172},[3042,6596,6597],{"class":3154,"line":3678},[3042,6598,3429],{"class":3172},[3042,6600,6601,6603,6605,6607,6609,6612],{"class":3154,"line":5107},[3042,6602,6516],{"class":3185},[3042,6604,2976],{"class":3172},[3042,6606,6521],{"class":3404},[3042,6608,3408],{"class":3172},[3042,6610,6611],{"class":3666},"\"DROP FULLTEXT INDEX ON [Products];\"",[3042,6613,3457],{"class":3172},[3042,6615,6616],{"class":3154,"line":5112},[3042,6617,3675],{"class":3172},[3042,6619,6621],{"class":3154,"line":6620},21,[3042,6622,3361],{"class":3172},[2965,6624,6625],{},"Запит через EF Core:",[3009,6627,6629],{"className":3147,"code":6628,"language":3149,"meta":3017,"style":3017},"// Full-Text Search через FromSqlRaw — EF Core не транслює CONTAINS нативно\nvar results = await context.Products\n    .FromSqlRaw(\"SELECT * FROM [Products] WHERE CONTAINS([Name], {0})\", \"laptop\")\n    .ToListAsync();\n",[2981,6630,6631,6636,6655,6674],{"__ignoreMap":3017},[3042,6632,6633],{"class":3154,"line":3155},[3042,6634,6635],{"class":3593},"// Full-Text Search через FromSqlRaw — EF Core не транслює CONTAINS нативно\n",[3042,6637,6638,6640,6643,6645,6648,6651,6653],{"class":3154,"line":3169},[3042,6639,4367],{"class":3158},[3042,6641,6642],{"class":3185}," results",[3042,6644,4373],{"class":3172},[3042,6646,6647],{"class":3158},"await",[3042,6649,6650],{"class":3185}," context",[3042,6652,2976],{"class":3172},[3042,6654,5485],{"class":3185},[3042,6656,6657,6659,6662,6664,6667,6669,6672],{"class":3154,"line":3176},[3042,6658,4386],{"class":3172},[3042,6660,6661],{"class":3404},"FromSqlRaw",[3042,6663,3408],{"class":3172},[3042,6665,6666],{"class":3666},"\"SELECT * FROM [Products] WHERE CONTAINS([Name], {0})\"",[3042,6668,4183],{"class":3172},[3042,6670,6671],{"class":3666},"\"laptop\"",[3042,6673,3424],{"class":3172},[3042,6675,6676,6678,6680],{"class":3154,"line":3204},[3042,6677,4386],{"class":3172},[3042,6679,5552],{"class":3404},[3042,6681,4423],{"class":3172},[3141,6683,6685],{"id":6684},"postgresql-full-text-search","PostgreSQL Full-Text Search",[3009,6687,6689],{"className":3147,"code":6688,"language":3149,"meta":3017,"style":3017},"// PostgreSQL: через NpgsqlTsVectorExtension або власний migration SQL\nmigrationBuilder.Sql(@\"\n    ALTER TABLE \"\"Products\"\" ADD COLUMN \"\"SearchVector\"\" tsvector\n        GENERATED ALWAYS AS (\n            to_tsvector('ukrainian', coalesce(\"\"Name\"\", '') || ' ' || coalesce(\"\"Description\"\", ''))\n        ) STORED;\n\n    CREATE INDEX IX_Products_SearchVector\n        ON \"\"Products\"\" USING gin(\"\"SearchVector\"\");\n\");\n",[2981,6690,6691,6696,6709,6736,6741,6765,6770,6774,6779,6801],{"__ignoreMap":3017},[3042,6692,6693],{"class":3154,"line":3155},[3042,6694,6695],{"class":3593},"// PostgreSQL: через NpgsqlTsVectorExtension або власний migration SQL\n",[3042,6697,6698,6701,6703,6705,6707],{"class":3154,"line":3169},[3042,6699,6700],{"class":3185},"migrationBuilder",[3042,6702,2976],{"class":3172},[3042,6704,6521],{"class":3404},[3042,6706,3408],{"class":3172},[3042,6708,6526],{"class":3666},[3042,6710,6711,6714,6718,6721,6723,6726,6728,6731,6733],{"class":3154,"line":3176},[3042,6712,6713],{"class":3666},"    ALTER TABLE ",[3042,6715,6717],{"class":6716},"sjcCO","\"\"",[3042,6719,6720],{"class":3666},"Products",[3042,6722,6717],{"class":6716},[3042,6724,6725],{"class":3666}," ADD COLUMN ",[3042,6727,6717],{"class":6716},[3042,6729,6730],{"class":3666},"SearchVector",[3042,6732,6717],{"class":6716},[3042,6734,6735],{"class":3666}," tsvector\n",[3042,6737,6738],{"class":3154,"line":3204},[3042,6739,6740],{"class":3666},"        GENERATED ALWAYS AS (\n",[3042,6742,6743,6746,6748,6750,6752,6755,6757,6760,6762],{"class":3154,"line":3237},[3042,6744,6745],{"class":3666},"            to_tsvector('ukrainian', coalesce(",[3042,6747,6717],{"class":6716},[3042,6749,5534],{"class":3666},[3042,6751,6717],{"class":6716},[3042,6753,6754],{"class":3666},", '') || ' ' || coalesce(",[3042,6756,6717],{"class":6716},[3042,6758,6759],{"class":3666},"Description",[3042,6761,6717],{"class":6716},[3042,6763,6764],{"class":3666},", ''))\n",[3042,6766,6767],{"class":3154,"line":3265},[3042,6768,6769],{"class":3666},"        ) STORED;\n",[3042,6771,6772],{"class":3154,"line":3288},[3042,6773,3463],{"emptyLinePlaceholder":3462},[3042,6775,6776],{"class":3154,"line":3316},[3042,6777,6778],{"class":3666},"    CREATE INDEX IX_Products_SearchVector\n",[3042,6780,6781,6784,6786,6788,6790,6793,6795,6797,6799],{"class":3154,"line":3337},[3042,6782,6783],{"class":3666},"        ON ",[3042,6785,6717],{"class":6716},[3042,6787,6720],{"class":3666},[3042,6789,6717],{"class":6716},[3042,6791,6792],{"class":3666}," USING gin(",[3042,6794,6717],{"class":6716},[3042,6796,6730],{"class":3666},[3042,6798,6717],{"class":6716},[3042,6800,3457],{"class":3666},[3042,6802,6803,6806],{"class":3154,"line":3358},[3042,6804,6805],{"class":3666},"\"",[3042,6807,3457],{"class":3172},[2996,6809],{},[2960,6811,6813],{"id":6812},"практичні-завдання-частина-1","Практичні завдання (Частина 1)",[3141,6815,6817],{"id":6816},"рівень-1-базовий","Рівень 1 — Базовий",[6819,6820,6821,6826,6833,6859,6865,6870,6897,6902,6911],"steps",{},[2965,6822,6823],{},[2969,6824,6825],{},"Завдання 1.1: Аудит індексів",[2965,6827,6828,6829,6832],{},"Є таблиця ",[2981,6830,6831],{},"BlogPost"," (Id, Title, Slug, PublishedAt, AuthorId, CategoryId, ViewCount, IsPublished). Визначте які запити будуть типовими для блогу і підберіть індекси:",[3064,6834,6835,6841,6847,6853],{},[3031,6836,6837,6838],{},"Головна сторінка: ",[2981,6839,6840],{},"WHERE IsPublished = 1 ORDER BY PublishedAt DESC LIMIT 10",[3031,6842,6843,6844],{},"Сторінка автора: ",[2981,6845,6846],{},"WHERE AuthorId = x AND IsPublished = 1",[3031,6848,6849,6850],{},"Категорія: ",[2981,6851,6852],{},"WHERE CategoryId = x AND IsPublished = 1 ORDER BY PublishedAt DESC",[3031,6854,6855,6856],{},"Пошук за slug: ",[2981,6857,6858],{},"WHERE Slug = 'my-post'",[2965,6860,6861,6862,6864],{},"Напишіть конфігурацію через ",[2981,6863,3126],{},". Де доцільний фільтрований індекс? Де — covering?",[2965,6866,6867],{},[2969,6868,6869],{},"Завдання 1.2: Alternate Key vs Unique Index",[2965,6871,6872,6873,6876,6877,6880,6881,6884,6885,6888,6889,6892,6893,6896],{},"Є ",[2981,6874,6875],{},"Book"," (Id, Isbn, Title) і ",[2981,6878,6879],{},"OrderItem"," (Id, OrderId, BookIsbn, Quantity). ",[2981,6882,6883],{},"OrderItem.BookIsbn"," — FK до ",[2981,6886,6887],{},"Book.Isbn",". Яку конструкцію використати: ",[2981,6890,6891],{},"HasAlternateKey(b => b.Isbn)"," чи ",[2981,6894,6895],{},"HasIndex(b => b.Isbn).IsUnique()","? Чому? Реалізуйте правильну конфігурацію FK.",[2965,6898,6899],{},[2969,6900,6901],{},"Завдання 1.3: Порядок стовпців у складеному індексі",[2965,6903,6904,6905,6908,6909,3026],{},"Для запиту ",[2981,6906,6907],{},"WHERE CustomerId = @id AND Status = @status AND PlacedAt > @date"," на таблиці ",[2981,6910,4090],{},[3028,6912,6913,6922,6928],{},[3031,6914,6915,6916,5584,6919],{},"Напишіть складений індекс у двох варіантах: ",[2981,6917,6918],{},"(CustomerId, Status, PlacedAt)",[2981,6920,6921],{},"(Status, CustomerId, PlacedAt)",[3031,6923,6924,6925,6927],{},"Який варіант кращий, якщо 90% запитів фільтрують за ",[2981,6926,4180],{}," спочатку?",[3031,6929,6930,6931,6934],{},"Перевірте через SQL Server Execution Plan або ",[2981,6932,6933],{},"EXPLAIN"," у PostgreSQL.",[3141,6936,6938],{"id":6937},"рівень-2-логіка","Рівень 2 — Логіка",[6819,6940,6941,6946,6951,7080,7085,7090,7105,7108,7127],{},[2965,6942,6943],{},[2969,6944,6945],{},"Завдання 2.1: Covering Index для звіту",[2965,6947,6872,6948,6950],{},[2981,6949,4090],{}," (Id, CustomerId, Status, TotalAmount, TaxAmount, PlacedAt, CountryCode). Частий запит:",[3009,6952,6954],{"className":3147,"code":6953,"language":3149,"meta":3017,"style":3017},"context.Orders\n    .Where(o => o.CountryCode == \"UA\" && o.Status == \"Delivered\")\n    .Select(o => new { o.Id, o.TotalAmount, o.TaxAmount, o.PlacedAt })\n    .OrderBy(o => o.PlacedAt)\n    .ToListAsync();\n",[2981,6955,6956,6964,7001,7051,7072],{"__ignoreMap":3017},[3042,6957,6958,6960,6962],{"class":3154,"line":3155},[3042,6959,4376],{"class":3185},[3042,6961,2976],{"class":3172},[3042,6963,4381],{"class":3185},[3042,6965,6966,6968,6970,6972,6974,6976,6978,6980,6982,6984,6987,6989,6991,6993,6995,6997,6999],{"class":3154,"line":3169},[3042,6967,4386],{"class":3172},[3042,6969,4389],{"class":3404},[3042,6971,3408],{"class":3172},[3042,6973,4135],{"class":3185},[3042,6975,3447],{"class":3172},[3042,6977,4135],{"class":3185},[3042,6979,2976],{"class":3172},[3042,6981,3562],{"class":3185},[3042,6983,4404],{"class":3172},[3042,6985,6986],{"class":3666},"\"UA\"",[3042,6988,4467],{"class":3172},[3042,6990,4135],{"class":3185},[3042,6992,2976],{"class":3172},[3042,6994,4190],{"class":3185},[3042,6996,4404],{"class":3172},[3042,6998,4478],{"class":3666},[3042,7000,3424],{"class":3172},[3042,7002,7003,7005,7007,7009,7011,7013,7015,7017,7019,7021,7023,7025,7027,7029,7032,7034,7036,7038,7041,7043,7045,7047,7049],{"class":3154,"line":3176},[3042,7004,4386],{"class":3172},[3042,7006,5517],{"class":3404},[3042,7008,3408],{"class":3172},[3042,7010,4135],{"class":3185},[3042,7012,3447],{"class":3172},[3042,7014,4171],{"class":3158},[3042,7016,3189],{"class":3172},[3042,7018,4135],{"class":3185},[3042,7020,2976],{"class":3172},[3042,7022,3454],{"class":3185},[3042,7024,4183],{"class":3172},[3042,7026,4135],{"class":3185},[3042,7028,2976],{"class":3172},[3042,7030,7031],{"class":3185},"TotalAmount",[3042,7033,4183],{"class":3172},[3042,7035,4135],{"class":3185},[3042,7037,2976],{"class":3172},[3042,7039,7040],{"class":3185},"TaxAmount",[3042,7042,4183],{"class":3172},[3042,7044,4135],{"class":3185},[3042,7046,2976],{"class":3172},[3042,7048,4248],{"class":3185},[3042,7050,4193],{"class":3172},[3042,7052,7053,7055,7058,7060,7062,7064,7066,7068,7070],{"class":3154,"line":3204},[3042,7054,4386],{"class":3172},[3042,7056,7057],{"class":3404},"OrderBy",[3042,7059,3408],{"class":3172},[3042,7061,4135],{"class":3185},[3042,7063,3447],{"class":3172},[3042,7065,4135],{"class":3185},[3042,7067,2976],{"class":3172},[3042,7069,4248],{"class":3185},[3042,7071,3424],{"class":3172},[3042,7073,7074,7076,7078],{"class":3154,"line":3237},[3042,7075,4386],{"class":3172},[3042,7077,5552],{"class":3404},[3042,7079,4423],{"class":3172},[2965,7081,7082,7083,2976],{},"Розробіть оптимальний covering index, що дозволить уникнути bookmark lookup. Поясніть вибір стовпців і порядку в ",[2981,7084,5635],{},[2965,7086,7087],{},[2969,7088,7089],{},"Завдання 2.2: Фільтровані індекси для Soft Delete",[2965,7091,7092,7093,7095,7096,7098,7099,7101,7102,7104],{},"Система реалізує soft delete через ",[2981,7094,5316],{}," (bool). У ",[2981,7097,3387],{}," є поля ",[2981,7100,3526],{}," (унікальний) і ",[2981,7103,3275],{}," (унікальний). Але після soft delete інший клієнт може зареєструватися з тим самим email.",[2965,7106,7107],{},"Реалізуйте фільтровані унікальні індекси:",[3064,7109,7110,7118],{},[3031,7111,7112,7114,7115],{},[2981,7113,3526],{}," унікальний серед ",[2981,7116,7117],{},"IsDeleted = false",[3031,7119,7120,7114,7122,5584,7124],{},[2981,7121,3275],{},[2981,7123,7117],{},[2981,7125,7126],{},"PhoneNumber IS NOT NULL",[2965,7128,7129,7130,7133],{},"Перевірте: чи можна додати двох клієнтів з однаковим email, якщо перший ",[2981,7131,7132],{},"IsDeleted = true","?",[3141,7135,7137],{"id":7136},"рівень-3-архітектура","Рівень 3 — Архітектура",[6819,7139,7140,7145,7154],{},[2965,7141,7142],{},[2969,7143,7144],{},"Завдання 3.1: Індексна стратегія для e-commerce",[2965,7146,7147,7148,7150,7151,7153],{},"Для таблиць ",[2981,7149,4912],{}," (Id, Name, CategoryId, BrandId, Price, Stock, IsActive, CreatedAt) і ",[2981,7152,6879],{}," (Id, OrderId, ProductId, Quantity, UnitPrice) розробіть повну індексну стратегію:",[3028,7155,7156,7159,7162,7165],{},[3031,7157,7158],{},"Аналіз типових запитів (каталог, пошук, admin, звіти)",[3031,7160,7161],{},"Для кожного запиту: який індекс його покриє?",[3031,7163,7164],{},"Перевірте: чи немає дублюючих або надлишкових індексів?",[3031,7166,7167],{},"Оцініть компроміс: кожен індекс прискорює читання, але сповільнює запис (INSERT/UPDATE/DELETE). При якому рівні навантаження (read:write ratio) індексна стратегія потребує перегляду?",[2996,7169],{},[2960,7171,7173],{"id":7172},"підсумок-частини-1","Підсумок частини 1",[2965,7175,7176],{},"У першій частині заклали фундамент роботи з індексами в EF Core:",[3064,7178,7179,7185,7194,7202,7208,7216,7223],{},[3031,7180,7181,7184],{},[2969,7182,7183],{},"B-tree структура",": розуміємо, чому індекс прискорює пошук (log замість лінійного часу) і коли він не допомагає (суфіксний пошук, функції над стовпцями, низька cardinality).",[3031,7186,7187,7191,7192,2976],{},[2969,7188,7189],{},[2981,7190,2993],{},": базовий синтаксис, іменування через ",[2981,7193,3661],{},[3031,7195,7196,7201],{},[2969,7197,7198],{},[2981,7199,7200],{},"IsUnique()",": унікальний індекс як комбінація обмеження і прискорювача.",[3031,7203,7204,7207],{},[2969,7205,7206],{},"Складені індекси",": правило «лівого префіксу» — порядок стовпців критичний.",[3031,7209,7210,5291,7213,7215],{},[2969,7211,7212],{},"Фільтровані індекси",[2981,7214,5010],{},"): менший індекс для підмножини рядків. Ідеальний для soft delete.",[3031,7217,7218,5291,7220,7222],{},[2969,7219,5446],{},[2981,7221,5635],{},"): уникаємо bookmark lookup, включаючи часто читані стовпці.",[3031,7224,7225,7228],{},[2969,7226,7227],{},"PK vs AK vs Unique Index",": три різних механізми з різними семантиками і DDL.",[2965,7230,7231,7235,7236,7239],{},[6165,7232,7234],{"href":7233},"/csharp/ef-core/13.indexes-constraints-part2","У другій частині"," — Check Constraints, Database Sequences, Collation, Database Comments, схема (HasDefaultSchema) та ",[2981,7237,7238],{},"HasDbFunction"," для маппінгу SQL-функцій.",[7241,7242,7243],"style",{},"html pre.shiki code .su1O8, html code.shiki .su1O8{--shiki-light:#0000FF;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki code .sN1BT, html code.shiki .sN1BT{--shiki-light:#267F99;--shiki-default:#4EC9B0;--shiki-dark:#4EC9B0}html pre.shiki code .sHH4Y, html code.shiki .sHH4Y{--shiki-light:#000000;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .siwwj, html code.shiki .siwwj{--shiki-light:#001080;--shiki-default:#9CDCFE;--shiki-dark:#9CDCFE}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .s8Opu, html code.shiki .s8Opu{--shiki-light:#795E26;--shiki-default:#DCDCAA;--shiki-dark:#DCDCAA}html pre.shiki code .sJj4R, html code.shiki .sJj4R{--shiki-light:#098658;--shiki-default:#B5CEA8;--shiki-dark:#B5CEA8}html pre.shiki code .spJ8K, html code.shiki .spJ8K{--shiki-light:#008000;--shiki-default:#6A9955;--shiki-dark:#6A9955}html pre.shiki code .sbdoH, html code.shiki .sbdoH{--shiki-light:#A31515;--shiki-default:#CE9178;--shiki-dark:#CE9178}html pre.shiki code .sjcCO, html code.shiki .sjcCO{--shiki-light:#EE0000;--shiki-default:#D7BA7D;--shiki-dark:#D7BA7D}",{"title":3017,"searchDepth":3169,"depth":3169,"links":7245},[7246,7247,7248,7252,7256,7259,7264,7270,7274,7279],{"id":2962,"depth":3169,"text":2963},{"id":3000,"depth":3169,"text":3001},{"id":3132,"depth":3169,"text":3133,"children":7249},[7250,7251],{"id":3143,"depth":3176,"text":3144},{"id":3763,"depth":3176,"text":3764},{"id":3908,"depth":3169,"text":3909,"children":7253},[7254,7255],{"id":4315,"depth":3176,"text":4316},{"id":4575,"depth":3176,"text":4576},{"id":4727,"depth":3169,"text":4728,"children":7257},[7258],{"id":5309,"depth":3176,"text":5310},{"id":5440,"depth":3169,"text":5441,"children":7260},[7261,7262,7263],{"id":5458,"depth":3176,"text":5459},{"id":5595,"depth":3176,"text":5596},{"id":5737,"depth":3176,"text":5738},{"id":6004,"depth":3169,"text":6005,"children":7265},[7266,7267,7268,7269],{"id":6011,"depth":3176,"text":6012},{"id":6114,"depth":3176,"text":6115},{"id":6249,"depth":3176,"text":6250},{"id":6329,"depth":3176,"text":6330},{"id":6442,"depth":3169,"text":6443,"children":7271},[7272,7273],{"id":6452,"depth":3176,"text":6453},{"id":6684,"depth":3176,"text":6685},{"id":6812,"depth":3169,"text":6813,"children":7275},[7276,7277,7278],{"id":6816,"depth":3176,"text":6817},{"id":6937,"depth":3176,"text":6938},{"id":7136,"depth":3176,"text":7137},{"id":7172,"depth":3169,"text":7173},"Глибокий розбір індексів в EF Core — HasIndex, унікальні індекси, складені, фільтровані, covering індекси. 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