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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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Є невеликий C#-проєкт: клас ",[2969,2970,2971],"code",{},"Order"," з кількома властивостями, DbContext, і п'ять рядків LINQ. Що станеться, якщо взяти цей код і просто змінити рядок підключення — з SQLite на PostgreSQL, потім на SQL Server, потім на MySQL?",[2965,2974,2975,2976,2979],{},"Відповідь: здебільшого — нічого. Код скомпілюється та запрацює з будь-якою з цих баз даних без жодних змін у LINQ-запитах, класах сутностей або методах DbContext. Той самий ",[2969,2977,2978],{},"context.Orders.Where(o => o.Status == OrderStatus.Active).ToListAsync()"," — і при PostgreSQL, і при SQL Server, і при SQLite.",[2965,2981,2982,2983,2987],{},"Це не магія і не happy path у документації. Це результат свідомого архітектурного рішення: EF Core з самого початку проєктувався як ",[2984,2985,2986],"strong",{},"провайдер-агностичний ORM",". Вся SQL-специфіка ізольована у провайдерах — замінних модулях, що реалізують одні й ті самі абстракції по-різному для кожної СУБД.",[2965,2989,2990],{},"Але «здебільшого» — ключове слово. Є типи даних, що поводяться по-різному. Є функції, доступні тільки в PostgreSQL. Є обмеження SQLite, про які треба знати. Є стратегії генерації Id, що відрізняються між providers. Розуміння цих меж — і є темою цієї статті.",[2992,2993],"hr",{},[2960,2995,2997],{"id":2996},"архітектура-провайдерів-як-досягається-незалежність-від-субд","Архітектура провайдерів: як досягається незалежність від СУБД",[2965,2999,3000,3001,3004],{},"EF Core побудований на принципі ",[2984,3002,3003],{},"абстракцій, що можна замінити",". Замість того щоб жорстко прив'язуватися до одного SQL-діалекту, ядро фреймворку визначає систему інтерфейсів і абстрактних класів — а конкретні СУБД реалізують їх по-своєму.",[3006,3007,3008],"mermaid",{},[3009,3010,3014],"pre",{"className":3011,"code":3012,"language":3006,"meta":3013,"style":3013},"language-mermaid shiki shiki-themes light-plus dark-plus dark-plus","graph TD\n    subgraph \"Ваш код\"\n        A[\"📝 LINQ / DbContext API\u003Cbr/>(не знає про СУБД)\"]\n    end\n\n    subgraph \"EF Core Core\"\n        B[\"🌳 Query Pipeline\u003Cbr/>(Expression Trees)\"]\n        C[\"🔄 IQuerySqlGenerator\u003Cbr/>(абстрактний генератор SQL)\"]\n        D[\"📐 IMigrationsModelDiffer\u003Cbr/>(абстрактний дифер міграцій)\"]\n        E[\"🔌 IRelationalConnection\u003Cbr/>(абстрактне з'єднання)\"]\n    end\n\n    subgraph \"Провайдери (замінні)\"\n        F[\"🐘 Npgsql\u003Cbr/>(PostgreSQL)\"]\n        G[\"🏢 SqlServer\u003Cbr/>(Microsoft SQL Server)\"]\n        H[\"📁 Sqlite\u003Cbr/>(SQLite)\"]\n        I[\"🐬 Pomelo\u003Cbr/>(MySQL / MariaDB)\"]\n    end\n\n    subgraph \"Бази даних\"\n        J[(\"PostgreSQL\")]\n        K[(\"SQL Server\")]\n        L[(\"SQLite\")]\n        M[(\"MySQL\")]\n    end\n\n    A --> B --> C\n    B --> D\n    B --> E\n    C --> F --> J\n    C --> G --> K\n    C --> H --> L\n    C --> I --> M\n\n    style A fill:#3b82f6,stroke:#1d4ed8,color:#ffffff\n    style B fill:#f59e0b,stroke:#b45309,color:#ffffff\n    style F fill:#10b981,stroke:#059669,color:#ffffff\n    style G fill:#10b981,stroke:#059669,color:#ffffff\n    style H fill:#10b981,stroke:#059669,color:#ffffff\n    style I fill:#10b981,stroke:#059669,color:#ffffff\n","",[2969,3015,3016,3024,3030,3036,3042,3049,3055,3061,3067,3073,3079,3084,3089,3095,3101,3107,3113,3119,3124,3129,3135,3141,3147,3153,3159,3164,3169,3175,3181,3187,3193,3199,3205,3211,3216,3222,3228,3234,3240,3246],{"__ignoreMap":3013},[3017,3018,3021],"span",{"class":3019,"line":3020},"line",1,[3017,3022,3023],{},"graph TD\n",[3017,3025,3027],{"class":3019,"line":3026},2,[3017,3028,3029],{},"    subgraph \"Ваш код\"\n",[3017,3031,3033],{"class":3019,"line":3032},3,[3017,3034,3035],{},"        A[\"📝 LINQ / DbContext API\u003Cbr/>(не знає про СУБД)\"]\n",[3017,3037,3039],{"class":3019,"line":3038},4,[3017,3040,3041],{},"    end\n",[3017,3043,3045],{"class":3019,"line":3044},5,[3017,3046,3048],{"emptyLinePlaceholder":3047},true,"\n",[3017,3050,3052],{"class":3019,"line":3051},6,[3017,3053,3054],{},"    subgraph \"EF Core Core\"\n",[3017,3056,3058],{"class":3019,"line":3057},7,[3017,3059,3060],{},"        B[\"🌳 Query Pipeline\u003Cbr/>(Expression Trees)\"]\n",[3017,3062,3064],{"class":3019,"line":3063},8,[3017,3065,3066],{},"        C[\"🔄 IQuerySqlGenerator\u003Cbr/>(абстрактний генератор SQL)\"]\n",[3017,3068,3070],{"class":3019,"line":3069},9,[3017,3071,3072],{},"        D[\"📐 IMigrationsModelDiffer\u003Cbr/>(абстрактний дифер міграцій)\"]\n",[3017,3074,3076],{"class":3019,"line":3075},10,[3017,3077,3078],{},"        E[\"🔌 IRelationalConnection\u003Cbr/>(абстрактне з'єднання)\"]\n",[3017,3080,3082],{"class":3019,"line":3081},11,[3017,3083,3041],{},[3017,3085,3087],{"class":3019,"line":3086},12,[3017,3088,3048],{"emptyLinePlaceholder":3047},[3017,3090,3092],{"class":3019,"line":3091},13,[3017,3093,3094],{},"    subgraph \"Провайдери (замінні)\"\n",[3017,3096,3098],{"class":3019,"line":3097},14,[3017,3099,3100],{},"        F[\"🐘 Npgsql\u003Cbr/>(PostgreSQL)\"]\n",[3017,3102,3104],{"class":3019,"line":3103},15,[3017,3105,3106],{},"        G[\"🏢 SqlServer\u003Cbr/>(Microsoft SQL Server)\"]\n",[3017,3108,3110],{"class":3019,"line":3109},16,[3017,3111,3112],{},"        H[\"📁 Sqlite\u003Cbr/>(SQLite)\"]\n",[3017,3114,3116],{"class":3019,"line":3115},17,[3017,3117,3118],{},"        I[\"🐬 Pomelo\u003Cbr/>(MySQL / MariaDB)\"]\n",[3017,3120,3122],{"class":3019,"line":3121},18,[3017,3123,3041],{},[3017,3125,3127],{"class":3019,"line":3126},19,[3017,3128,3048],{"emptyLinePlaceholder":3047},[3017,3130,3132],{"class":3019,"line":3131},20,[3017,3133,3134],{},"    subgraph \"Бази даних\"\n",[3017,3136,3138],{"class":3019,"line":3137},21,[3017,3139,3140],{},"        J[(\"PostgreSQL\")]\n",[3017,3142,3144],{"class":3019,"line":3143},22,[3017,3145,3146],{},"        K[(\"SQL Server\")]\n",[3017,3148,3150],{"class":3019,"line":3149},23,[3017,3151,3152],{},"        L[(\"SQLite\")]\n",[3017,3154,3156],{"class":3019,"line":3155},24,[3017,3157,3158],{},"        M[(\"MySQL\")]\n",[3017,3160,3162],{"class":3019,"line":3161},25,[3017,3163,3041],{},[3017,3165,3167],{"class":3019,"line":3166},26,[3017,3168,3048],{"emptyLinePlaceholder":3047},[3017,3170,3172],{"class":3019,"line":3171},27,[3017,3173,3174],{},"    A --> B --> C\n",[3017,3176,3178],{"class":3019,"line":3177},28,[3017,3179,3180],{},"    B --> D\n",[3017,3182,3184],{"class":3019,"line":3183},29,[3017,3185,3186],{},"    B --> E\n",[3017,3188,3190],{"class":3019,"line":3189},30,[3017,3191,3192],{},"    C --> F --> J\n",[3017,3194,3196],{"class":3019,"line":3195},31,[3017,3197,3198],{},"    C --> G --> K\n",[3017,3200,3202],{"class":3019,"line":3201},32,[3017,3203,3204],{},"    C --> H --> L\n",[3017,3206,3208],{"class":3019,"line":3207},33,[3017,3209,3210],{},"    C --> I --> M\n",[3017,3212,3214],{"class":3019,"line":3213},34,[3017,3215,3048],{"emptyLinePlaceholder":3047},[3017,3217,3219],{"class":3019,"line":3218},35,[3017,3220,3221],{},"    style A fill:#3b82f6,stroke:#1d4ed8,color:#ffffff\n",[3017,3223,3225],{"class":3019,"line":3224},36,[3017,3226,3227],{},"    style B fill:#f59e0b,stroke:#b45309,color:#ffffff\n",[3017,3229,3231],{"class":3019,"line":3230},37,[3017,3232,3233],{},"    style F fill:#10b981,stroke:#059669,color:#ffffff\n",[3017,3235,3237],{"class":3019,"line":3236},38,[3017,3238,3239],{},"    style G fill:#10b981,stroke:#059669,color:#ffffff\n",[3017,3241,3243],{"class":3019,"line":3242},39,[3017,3244,3245],{},"    style H fill:#10b981,stroke:#059669,color:#ffffff\n",[3017,3247,3249],{"class":3019,"line":3248},40,[3017,3250,3251],{},"    style I fill:#10b981,stroke:#059669,color:#ffffff\n",[2965,3253,3254],{},"Ключові абстракції, які кожен провайдер зобов'язаний реалізувати:",[2965,3256,3257,3260,3261,3264,3265,3268],{},[2984,3258,3259],{},"IQuerySqlGenerator"," — відповідає за генерацію SQL-запитів. Саме тут PostgreSQL-провайдер генерує ",[2969,3262,3263],{},"::text"," для cast-ів, а SQL Server — ",[2969,3266,3267],{},"CAST(... AS NVARCHAR)",". Ваш LINQ-вираз приходить сюди як готовий Expression Tree, і провайдер перетворює його у діалект свого SQL.",[2965,3270,3271,3274,3275,3278,3279,3282,3283,3286,3287,3290,3291,3282,3294,3297],{},[2984,3272,3273],{},"IRelationalTypeMappingSource"," — маппінг між C#-типами і SQL-типами конкретної СУБД. Саме тут ",[2969,3276,3277],{},"decimal"," у C# перетворюється на ",[2969,3280,3281],{},"NUMERIC(18,2)"," у PostgreSQL або ",[2969,3284,3285],{},"DECIMAL(18,2)"," у SQL Server, а ",[2969,3288,3289],{},"Guid"," — на ",[2969,3292,3293],{},"UUID",[2969,3295,3296],{},"UNIQUEIDENTIFIER"," у SQL Server.",[2965,3299,3300,3303,3304,3307,3308,3307,3311,3314],{},[2984,3301,3302],{},"IMigrationsSqlGenerator"," — генерує SQL для міграцій (",[2969,3305,3306],{},"CREATE TABLE",", ",[2969,3309,3310],{},"ALTER TABLE",[2969,3312,3313],{},"DROP INDEX","). Синтаксис суттєво відрізняється між СУБД.",[2965,3316,3317,3320,3321,3324],{},[2984,3318,3319],{},"IRelationalConnection"," та ",[2984,3322,3323],{},"IDbContextTransactionManager"," — управління з'єднаннями і транзакціями відповідно до можливостей конкретної СУБД.",[2965,3326,3327,3328,3331],{},"Розуміння цієї структури важливе з практичної точки зору: коли ви пишете ",[2969,3329,3330],{},"context.Books.Where(b => b.Year > 2000).ToListAsync()",", EF Core будує абстрактне дерево виразу. Лише перед виконанням провайдер «матеріалізує» це дерево у конкретний SQL. Це означає, що один і той самий LINQ-код може генерувати дещо різний SQL залежно від провайдера — і це нормально.",[2992,3333],{},[2960,3335,3337],{"id":3336},"огляд-провайдерів-хто-є-хто-в-екосистемі","Огляд провайдерів: хто є хто в екосистемі",[2965,3339,3340],{},"Перед тим як заглибитись у кожен провайдер, розглянемо загальну картину:",[3342,3343,3344,3363],"table",{},[3345,3346,3347],"thead",{},[3348,3349,3350,3354,3357,3360],"tr",{},[3351,3352,3353],"th",{},"Провайдер",[3351,3355,3356],{},"NuGet-пакет",[3351,3358,3359],{},"СУБД",[3351,3361,3362],{},"Підтримка",[3364,3365,3366,3383,3398,3414,3430,3446,3461,3476],"tbody",{},[3348,3367,3368,3372,3377,3380],{},[3369,3370,3371],"td",{},"SQL Server",[3369,3373,3374],{},[2969,3375,3376],{},"Microsoft.EntityFrameworkCore.SqlServer",[3369,3378,3379],{},"Microsoft SQL Server 2012+",[3369,3381,3382],{},"Microsoft (офіційно)",[3348,3384,3385,3388,3393,3396],{},[3369,3386,3387],{},"SQLite",[3369,3389,3390],{},[2969,3391,3392],{},"Microsoft.EntityFrameworkCore.Sqlite",[3369,3394,3395],{},"SQLite 3",[3369,3397,3382],{},[3348,3399,3400,3403,3408,3411],{},[3369,3401,3402],{},"PostgreSQL",[3369,3404,3405],{},[2969,3406,3407],{},"Npgsql.EntityFrameworkCore.PostgreSQL",[3369,3409,3410],{},"PostgreSQL 9.4+",[3369,3412,3413],{},"Спільнота (Npgsql)",[3348,3415,3416,3419,3424,3427],{},[3369,3417,3418],{},"MySQL",[3369,3420,3421],{},[2969,3422,3423],{},"Pomelo.EntityFrameworkCore.MySql",[3369,3425,3426],{},"MySQL 5.7+, MariaDB 10.2+",[3369,3428,3429],{},"Спільнота (Pomelo)",[3348,3431,3432,3435,3440,3443],{},[3369,3433,3434],{},"MySQL (Oracle)",[3369,3436,3437],{},[2969,3438,3439],{},"MySql.EntityFrameworkCore",[3369,3441,3442],{},"MySQL 5.6+",[3369,3444,3445],{},"Oracle",[3348,3447,3448,3451,3456,3459],{},[3369,3449,3450],{},"Cosmos DB",[3369,3452,3453],{},[2969,3454,3455],{},"Microsoft.EntityFrameworkCore.Cosmos",[3369,3457,3458],{},"Azure Cosmos DB",[3369,3460,3382],{},[3348,3462,3463,3466,3471,3474],{},[3369,3464,3465],{},"InMemory",[3369,3467,3468],{},[2969,3469,3470],{},"Microsoft.EntityFrameworkCore.InMemory",[3369,3472,3473],{},"(в пам'яті)",[3369,3475,3382],{},[3348,3477,3478,3480,3485,3488],{},[3369,3479,3445],{},[3369,3481,3482],{},[2969,3483,3484],{},"Oracle.EntityFrameworkCore",[3369,3486,3487],{},"Oracle Database",[3369,3489,3445],{},[2965,3491,3492],{},"Найпоширеніші вибори в .NET-проєктах:",[3494,3495,3496,3503,3508,3513],"ul",{},[3497,3498,3499,3502],"li",{},[2984,3500,3501],{},"PostgreSQL (Npgsql)"," — дуже популярний вибір завдяки потужним можливостям, відкритому коду та відмінній підтримці у Npgsql",[3497,3504,3505,3507],{},[2984,3506,3371],{}," — стандарт у корпоративному .NET-середовищі, особливо при роботі з Azure",[3497,3509,3510,3512],{},[2984,3511,3387],{}," — ідеальний для розробки, тестування та вбудованих систем",[3497,3514,3515,3518],{},[2984,3516,3517],{},"MySQL/MariaDB (Pomelo)"," — широко використовується у веб-стеках спільно з PHP, Python",[2992,3520],{},[2960,3522,3524],{"id":3523},"postgresql-npgsql-потужність-відкритої-субд","PostgreSQL (Npgsql): потужність відкритої СУБД",[2965,3526,3527],{},"PostgreSQL є найпопулярнішим вибором для нових .NET-проєктів, що не прив'язані до Microsoft-стеку. Провайдер Npgsql — один з найбільш розвинених сторонніх EF Core-провайдерів, що підтримує майже всі специфічні можливості PostgreSQL та розробляється командою Npgsql незалежно від Microsoft.",[3529,3530,3532],"h3",{"id":3531},"встановлення-та-базова-конфігурація","Встановлення та базова конфігурація",[3009,3534,3539],{"className":3535,"code":3536,"filename":3537,"language":3538,"meta":3013,"style":3013},"language-csharp shiki shiki-themes light-plus dark-plus dark-plus","// NuGet: Npgsql.EntityFrameworkCore.PostgreSQL\nbuilder.Services.AddDbContext\u003CAppDbContext>(opts =>\n    opts.UseNpgsql(\n        builder.Configuration.GetConnectionString(\"Postgres\"),\n        npgsqlOptions =>\n        {\n            // Увімкнути ретраї при transient-помилках (network, deadlocks)\n            npgsqlOptions.EnableRetryOnFailure(\n                maxRetryCount: 5,\n                maxRetryDelay: TimeSpan.FromSeconds(30),\n                errorCodesToAdd: null);\n\n            // Версія PostgreSQL (впливає на генерований SQL)\n            npgsqlOptions.SetPostgresVersion(16, 0);\n\n            // Timeout для команд\n            npgsqlOptions.CommandTimeout(60);\n        }));\n","Program.cs","csharp",[2969,3540,3541,3547,3582,3595,3620,3627,3632,3637,3649,3664,3686,3700,3704,3709,3730,3734,3739,3755],{"__ignoreMap":3013},[3017,3542,3543],{"class":3019,"line":3020},[3017,3544,3546],{"class":3545},"spJ8K","// NuGet: Npgsql.EntityFrameworkCore.PostgreSQL\n",[3017,3548,3549,3553,3557,3560,3562,3566,3569,3573,3576,3579],{"class":3019,"line":3026},[3017,3550,3552],{"class":3551},"siwwj","builder",[3017,3554,3556],{"class":3555},"sHH4Y",".",[3017,3558,3559],{"class":3551},"Services",[3017,3561,3556],{"class":3555},[3017,3563,3565],{"class":3564},"s8Opu","AddDbContext",[3017,3567,3568],{"class":3555},"\u003C",[3017,3570,3572],{"class":3571},"sN1BT","AppDbContext",[3017,3574,3575],{"class":3555},">(",[3017,3577,3578],{"class":3551},"opts",[3017,3580,3581],{"class":3555}," =>\n",[3017,3583,3584,3587,3589,3592],{"class":3019,"line":3032},[3017,3585,3586],{"class":3551},"    opts",[3017,3588,3556],{"class":3555},[3017,3590,3591],{"class":3564},"UseNpgsql",[3017,3593,3594],{"class":3555},"(\n",[3017,3596,3597,3600,3602,3605,3607,3610,3613,3617],{"class":3019,"line":3038},[3017,3598,3599],{"class":3551},"        builder",[3017,3601,3556],{"class":3555},[3017,3603,3604],{"class":3551},"Configuration",[3017,3606,3556],{"class":3555},[3017,3608,3609],{"class":3564},"GetConnectionString",[3017,3611,3612],{"class":3555},"(",[3017,3614,3616],{"class":3615},"sbdoH","\"Postgres\"",[3017,3618,3619],{"class":3555},"),\n",[3017,3621,3622,3625],{"class":3019,"line":3044},[3017,3623,3624],{"class":3551},"        npgsqlOptions",[3017,3626,3581],{"class":3555},[3017,3628,3629],{"class":3019,"line":3051},[3017,3630,3631],{"class":3555},"        {\n",[3017,3633,3634],{"class":3019,"line":3057},[3017,3635,3636],{"class":3545},"            // Увімкнути ретраї при transient-помилках (network, deadlocks)\n",[3017,3638,3639,3642,3644,3647],{"class":3019,"line":3063},[3017,3640,3641],{"class":3551},"            npgsqlOptions",[3017,3643,3556],{"class":3555},[3017,3645,3646],{"class":3564},"EnableRetryOnFailure",[3017,3648,3594],{"class":3555},[3017,3650,3651,3654,3657,3661],{"class":3019,"line":3069},[3017,3652,3653],{"class":3551},"                maxRetryCount",[3017,3655,3656],{"class":3555},": ",[3017,3658,3660],{"class":3659},"sJj4R","5",[3017,3662,3663],{"class":3555},",\n",[3017,3665,3666,3669,3671,3674,3676,3679,3681,3684],{"class":3019,"line":3075},[3017,3667,3668],{"class":3551},"                maxRetryDelay",[3017,3670,3656],{"class":3555},[3017,3672,3673],{"class":3551},"TimeSpan",[3017,3675,3556],{"class":3555},[3017,3677,3678],{"class":3564},"FromSeconds",[3017,3680,3612],{"class":3555},[3017,3682,3683],{"class":3659},"30",[3017,3685,3619],{"class":3555},[3017,3687,3688,3691,3693,3697],{"class":3019,"line":3081},[3017,3689,3690],{"class":3551},"                errorCodesToAdd",[3017,3692,3656],{"class":3555},[3017,3694,3696],{"class":3695},"su1O8","null",[3017,3698,3699],{"class":3555},");\n",[3017,3701,3702],{"class":3019,"line":3086},[3017,3703,3048],{"emptyLinePlaceholder":3047},[3017,3705,3706],{"class":3019,"line":3091},[3017,3707,3708],{"class":3545},"            // Версія PostgreSQL (впливає на генерований SQL)\n",[3017,3710,3711,3713,3715,3718,3720,3723,3725,3728],{"class":3019,"line":3097},[3017,3712,3641],{"class":3551},[3017,3714,3556],{"class":3555},[3017,3716,3717],{"class":3564},"SetPostgresVersion",[3017,3719,3612],{"class":3555},[3017,3721,3722],{"class":3659},"16",[3017,3724,3307],{"class":3555},[3017,3726,3727],{"class":3659},"0",[3017,3729,3699],{"class":3555},[3017,3731,3732],{"class":3019,"line":3103},[3017,3733,3048],{"emptyLinePlaceholder":3047},[3017,3735,3736],{"class":3019,"line":3109},[3017,3737,3738],{"class":3545},"            // Timeout для команд\n",[3017,3740,3741,3743,3745,3748,3750,3753],{"class":3019,"line":3115},[3017,3742,3641],{"class":3551},[3017,3744,3556],{"class":3555},[3017,3746,3747],{"class":3564},"CommandTimeout",[3017,3749,3612],{"class":3555},[3017,3751,3752],{"class":3659},"60",[3017,3754,3699],{"class":3555},[3017,3756,3757],{"class":3019,"line":3121},[3017,3758,3759],{"class":3555},"        }));\n",[3009,3761,3766],{"className":3762,"code":3764,"language":3765},[3763],"language-text","# Формат рядка підключення PostgreSQL\nHost=localhost;Port=5432;Database=mydb;Username=postgres;Password=secret;\n","text",[2969,3767,3764],{"__ignoreMap":3013},[3529,3769,3771],{"id":3770},"типи-даних-postgresql-що-відрізняється-від-інших-субд","Типи даних PostgreSQL: що відрізняється від інших СУБД",[2965,3773,3774],{},"PostgreSQL має значно багатшу систему типів, ніж SQL Server. Npgsql-провайдер дозволяє використовувати їх безпосередньо в C#-моделі:",[2965,3776,3777],{},[2984,3778,3779],{},"Масиви (Arrays)",[2965,3781,3782],{},"PostgreSQL нативно підтримує масиви в стовпцях. Це дозволяє зберігати список значень без окремої таблиці:",[3009,3784,3786],{"className":3535,"code":3785,"language":3538,"meta":3013,"style":3013},"public class Article\n{\n    public int Id { get; set; }\n    public string Title { get; set; } = string.Empty;\n\n    // Стовпець Tags зберігатиметься як TEXT[] у PostgreSQL\n    public string[] Tags { get; set; } = Array.Empty\u003Cstring>();\n\n    // Можна фільтрувати за елементами масиву!\n    // WHERE 'csharp' = ANY(\"Tags\")\n}\n\n// LINQ-запит до масиву транслюється у PostgreSQL-специфічний SQL\nvar dotnetArticles = await context.Articles\n    .Where(a => a.Tags.Contains(\"dotnet\"))\n    .ToListAsync();\n// SQL: SELECT ... FROM \"Articles\" WHERE 'dotnet' = ANY(\"Tags\")\n",[2969,3787,3788,3799,3804,3830,3862,3866,3871,3907,3911,3916,3921,3926,3930,3935,3957,3992,4002],{"__ignoreMap":3013},[3017,3789,3790,3793,3796],{"class":3019,"line":3020},[3017,3791,3792],{"class":3695},"public",[3017,3794,3795],{"class":3695}," class",[3017,3797,3798],{"class":3571}," Article\n",[3017,3800,3801],{"class":3019,"line":3026},[3017,3802,3803],{"class":3555},"{\n",[3017,3805,3806,3809,3812,3815,3818,3821,3824,3827],{"class":3019,"line":3032},[3017,3807,3808],{"class":3695},"    public",[3017,3810,3811],{"class":3695}," int",[3017,3813,3814],{"class":3551}," Id",[3017,3816,3817],{"class":3555}," { ",[3017,3819,3820],{"class":3695},"get",[3017,3822,3823],{"class":3555},"; ",[3017,3825,3826],{"class":3695},"set",[3017,3828,3829],{"class":3555},"; }\n",[3017,3831,3832,3834,3837,3840,3842,3844,3846,3848,3851,3854,3856,3859],{"class":3019,"line":3038},[3017,3833,3808],{"class":3695},[3017,3835,3836],{"class":3695}," string",[3017,3838,3839],{"class":3551}," Title",[3017,3841,3817],{"class":3555},[3017,3843,3820],{"class":3695},[3017,3845,3823],{"class":3555},[3017,3847,3826],{"class":3695},[3017,3849,3850],{"class":3555},"; } = ",[3017,3852,3853],{"class":3695},"string",[3017,3855,3556],{"class":3555},[3017,3857,3858],{"class":3551},"Empty",[3017,3860,3861],{"class":3555},";\n",[3017,3863,3864],{"class":3019,"line":3044},[3017,3865,3048],{"emptyLinePlaceholder":3047},[3017,3867,3868],{"class":3019,"line":3051},[3017,3869,3870],{"class":3545},"    // Стовпець Tags зберігатиметься як TEXT[] у PostgreSQL\n",[3017,3872,3873,3875,3877,3880,3883,3885,3887,3889,3891,3893,3896,3898,3900,3902,3904],{"class":3019,"line":3057},[3017,3874,3808],{"class":3695},[3017,3876,3836],{"class":3695},[3017,3878,3879],{"class":3555},"[] ",[3017,3881,3882],{"class":3551},"Tags",[3017,3884,3817],{"class":3555},[3017,3886,3820],{"class":3695},[3017,3888,3823],{"class":3555},[3017,3890,3826],{"class":3695},[3017,3892,3850],{"class":3555},[3017,3894,3895],{"class":3551},"Array",[3017,3897,3556],{"class":3555},[3017,3899,3858],{"class":3564},[3017,3901,3568],{"class":3555},[3017,3903,3853],{"class":3695},[3017,3905,3906],{"class":3555},">();\n",[3017,3908,3909],{"class":3019,"line":3063},[3017,3910,3048],{"emptyLinePlaceholder":3047},[3017,3912,3913],{"class":3019,"line":3069},[3017,3914,3915],{"class":3545},"    // Можна фільтрувати за елементами масиву!\n",[3017,3917,3918],{"class":3019,"line":3075},[3017,3919,3920],{"class":3545},"    // WHERE 'csharp' = ANY(\"Tags\")\n",[3017,3922,3923],{"class":3019,"line":3081},[3017,3924,3925],{"class":3555},"}\n",[3017,3927,3928],{"class":3019,"line":3086},[3017,3929,3048],{"emptyLinePlaceholder":3047},[3017,3931,3932],{"class":3019,"line":3091},[3017,3933,3934],{"class":3545},"// LINQ-запит до масиву транслюється у PostgreSQL-специфічний SQL\n",[3017,3936,3937,3940,3943,3946,3949,3952,3954],{"class":3019,"line":3097},[3017,3938,3939],{"class":3695},"var",[3017,3941,3942],{"class":3551}," dotnetArticles",[3017,3944,3945],{"class":3555}," = ",[3017,3947,3948],{"class":3695},"await",[3017,3950,3951],{"class":3551}," context",[3017,3953,3556],{"class":3555},[3017,3955,3956],{"class":3551},"Articles\n",[3017,3958,3959,3962,3965,3967,3970,3973,3975,3977,3979,3981,3984,3986,3989],{"class":3019,"line":3103},[3017,3960,3961],{"class":3555},"    .",[3017,3963,3964],{"class":3564},"Where",[3017,3966,3612],{"class":3555},[3017,3968,3969],{"class":3551},"a",[3017,3971,3972],{"class":3555}," => ",[3017,3974,3969],{"class":3551},[3017,3976,3556],{"class":3555},[3017,3978,3882],{"class":3551},[3017,3980,3556],{"class":3555},[3017,3982,3983],{"class":3564},"Contains",[3017,3985,3612],{"class":3555},[3017,3987,3988],{"class":3615},"\"dotnet\"",[3017,3990,3991],{"class":3555},"))\n",[3017,3993,3994,3996,3999],{"class":3019,"line":3109},[3017,3995,3961],{"class":3555},[3017,3997,3998],{"class":3564},"ToListAsync",[3017,4000,4001],{"class":3555},"();\n",[3017,4003,4004],{"class":3019,"line":3115},[3017,4005,4006],{"class":3545},"// SQL: SELECT ... FROM \"Articles\" WHERE 'dotnet' = ANY(\"Tags\")\n",[2965,4008,4009],{},"Це потужна можливість, якої немає в SQL Server або SQLite. Але пам'ятайте: масиви у PostgreSQL не підходять для даних, по яких часто фільтруєте з великою кардинальністю — краще мати окрему таблицю зі зв'язком.",[2965,4011,4012],{},[2984,4013,4014],{},"JSONB — зберігання JSON з індексуванням",[2965,4016,4017,4020,4021,4024],{},[2969,4018,4019],{},"JSONB"," (binary JSON) є одним з найпотужніших типів PostgreSQL. На відміну від ",[2969,4022,4023],{},"TEXT",", JSONB парситься при вставці, зберігається у бінарному форматі з підтримкою індексів і дозволяє виконувати запити до окремих полів JSON:",[3009,4026,4028],{"className":3535,"code":4027,"language":3538,"meta":3013,"style":3013},"public class Product\n{\n    public int Id { get; set; }\n    public string Name { get; set; } = string.Empty;\n\n    // Зберігається як JSONB — можна запитувати by property\n    public Dictionary\u003Cstring, string> Metadata { get; set; } = new();\n}\n",[2969,4029,4030,4039,4043,4061,4088,4092,4097,4133],{"__ignoreMap":3013},[3017,4031,4032,4034,4036],{"class":3019,"line":3020},[3017,4033,3792],{"class":3695},[3017,4035,3795],{"class":3695},[3017,4037,4038],{"class":3571}," Product\n",[3017,4040,4041],{"class":3019,"line":3026},[3017,4042,3803],{"class":3555},[3017,4044,4045,4047,4049,4051,4053,4055,4057,4059],{"class":3019,"line":3032},[3017,4046,3808],{"class":3695},[3017,4048,3811],{"class":3695},[3017,4050,3814],{"class":3551},[3017,4052,3817],{"class":3555},[3017,4054,3820],{"class":3695},[3017,4056,3823],{"class":3555},[3017,4058,3826],{"class":3695},[3017,4060,3829],{"class":3555},[3017,4062,4063,4065,4067,4070,4072,4074,4076,4078,4080,4082,4084,4086],{"class":3019,"line":3038},[3017,4064,3808],{"class":3695},[3017,4066,3836],{"class":3695},[3017,4068,4069],{"class":3551}," Name",[3017,4071,3817],{"class":3555},[3017,4073,3820],{"class":3695},[3017,4075,3823],{"class":3555},[3017,4077,3826],{"class":3695},[3017,4079,3850],{"class":3555},[3017,4081,3853],{"class":3695},[3017,4083,3556],{"class":3555},[3017,4085,3858],{"class":3551},[3017,4087,3861],{"class":3555},[3017,4089,4090],{"class":3019,"line":3044},[3017,4091,3048],{"emptyLinePlaceholder":3047},[3017,4093,4094],{"class":3019,"line":3051},[3017,4095,4096],{"class":3545},"    // Зберігається як JSONB — можна запитувати by property\n",[3017,4098,4099,4101,4104,4106,4108,4110,4112,4115,4118,4120,4122,4124,4126,4128,4131],{"class":3019,"line":3057},[3017,4100,3808],{"class":3695},[3017,4102,4103],{"class":3571}," Dictionary",[3017,4105,3568],{"class":3555},[3017,4107,3853],{"class":3695},[3017,4109,3307],{"class":3555},[3017,4111,3853],{"class":3695},[3017,4113,4114],{"class":3555},"> ",[3017,4116,4117],{"class":3551},"Metadata",[3017,4119,3817],{"class":3555},[3017,4121,3820],{"class":3695},[3017,4123,3823],{"class":3555},[3017,4125,3826],{"class":3695},[3017,4127,3850],{"class":3555},[3017,4129,4130],{"class":3695},"new",[3017,4132,4001],{"class":3555},[3017,4134,4135],{"class":3019,"line":3063},[3017,4136,3925],{"class":3555},[2965,4138,4139,4140,4143],{},"Детально JSONB та ",[2969,4141,4142],{},"ToJson()"," розглянемо у статті 11 (JSON Columns).",[2965,4145,4146],{},[2984,4147,4148],{},"Enum-типи PostgreSQL",[2965,4150,4151],{},"PostgreSQL дозволяє визначати кастомні enum-типи на рівні бази даних. Npgsql підтримує їх через C#-перерахування:",[3009,4153,4155],{"className":3535,"code":4154,"language":3538,"meta":3013,"style":3013},"// Визначаємо enum у C#\npublic enum OrderStatus { Pending, Processing, Shipped, Delivered, Cancelled }\n\n// Реєструємо PostgreSQL-тип у DbContext\nprotected override void OnModelCreating(ModelBuilder modelBuilder)\n{\n    // EF Core створить тип \"order_status\" у PostgreSQL\n    modelBuilder.HasPostgresEnum\u003COrderStatus>();\n\n    modelBuilder.Entity\u003COrder>()\n        .Property(o => o.Status)\n        .HasColumnType(\"order_status\");\n}\n",[2969,4156,4157,4162,4200,4204,4209,4234,4238,4243,4260,4264,4280,4304,4318],{"__ignoreMap":3013},[3017,4158,4159],{"class":3019,"line":3020},[3017,4160,4161],{"class":3545},"// Визначаємо enum у C#\n",[3017,4163,4164,4166,4169,4172,4174,4177,4179,4182,4184,4187,4189,4192,4194,4197],{"class":3019,"line":3026},[3017,4165,3792],{"class":3695},[3017,4167,4168],{"class":3695}," enum",[3017,4170,4171],{"class":3571}," OrderStatus",[3017,4173,3817],{"class":3555},[3017,4175,4176],{"class":3551},"Pending",[3017,4178,3307],{"class":3555},[3017,4180,4181],{"class":3551},"Processing",[3017,4183,3307],{"class":3555},[3017,4185,4186],{"class":3551},"Shipped",[3017,4188,3307],{"class":3555},[3017,4190,4191],{"class":3551},"Delivered",[3017,4193,3307],{"class":3555},[3017,4195,4196],{"class":3551},"Cancelled",[3017,4198,4199],{"class":3555}," }\n",[3017,4201,4202],{"class":3019,"line":3032},[3017,4203,3048],{"emptyLinePlaceholder":3047},[3017,4205,4206],{"class":3019,"line":3038},[3017,4207,4208],{"class":3545},"// Реєструємо PostgreSQL-тип у DbContext\n",[3017,4210,4211,4214,4217,4220,4223,4225,4228,4231],{"class":3019,"line":3044},[3017,4212,4213],{"class":3695},"protected",[3017,4215,4216],{"class":3695}," override",[3017,4218,4219],{"class":3695}," void",[3017,4221,4222],{"class":3564}," OnModelCreating",[3017,4224,3612],{"class":3555},[3017,4226,4227],{"class":3571},"ModelBuilder",[3017,4229,4230],{"class":3551}," modelBuilder",[3017,4232,4233],{"class":3555},")\n",[3017,4235,4236],{"class":3019,"line":3051},[3017,4237,3803],{"class":3555},[3017,4239,4240],{"class":3019,"line":3057},[3017,4241,4242],{"class":3545},"    // EF Core створить тип \"order_status\" у PostgreSQL\n",[3017,4244,4245,4248,4250,4253,4255,4258],{"class":3019,"line":3063},[3017,4246,4247],{"class":3551},"    modelBuilder",[3017,4249,3556],{"class":3555},[3017,4251,4252],{"class":3564},"HasPostgresEnum",[3017,4254,3568],{"class":3555},[3017,4256,4257],{"class":3571},"OrderStatus",[3017,4259,3906],{"class":3555},[3017,4261,4262],{"class":3019,"line":3069},[3017,4263,3048],{"emptyLinePlaceholder":3047},[3017,4265,4266,4268,4270,4273,4275,4277],{"class":3019,"line":3075},[3017,4267,4247],{"class":3551},[3017,4269,3556],{"class":3555},[3017,4271,4272],{"class":3564},"Entity",[3017,4274,3568],{"class":3555},[3017,4276,2971],{"class":3571},[3017,4278,4279],{"class":3555},">()\n",[3017,4281,4282,4285,4288,4290,4293,4295,4297,4299,4302],{"class":3019,"line":3081},[3017,4283,4284],{"class":3555},"        .",[3017,4286,4287],{"class":3564},"Property",[3017,4289,3612],{"class":3555},[3017,4291,4292],{"class":3551},"o",[3017,4294,3972],{"class":3555},[3017,4296,4292],{"class":3551},[3017,4298,3556],{"class":3555},[3017,4300,4301],{"class":3551},"Status",[3017,4303,4233],{"class":3555},[3017,4305,4306,4308,4311,4313,4316],{"class":3019,"line":3086},[3017,4307,4284],{"class":3555},[3017,4309,4310],{"class":3564},"HasColumnType",[3017,4312,3612],{"class":3555},[3017,4314,4315],{"class":3615},"\"order_status\"",[3017,4317,3699],{"class":3555},[3017,4319,4320],{"class":3019,"line":3091},[3017,4321,3925],{"class":3555},[2965,4323,4324],{},[2984,4325,4326],{},"HStore — key-value пари",[2965,4328,4329],{},"PostgreSQL-специфічний тип для зберігання пар ключ-значення:",[3009,4331,4333],{"className":3535,"code":4332,"language":3538,"meta":3013,"style":3013},"// Вимагає NpgsqlHStoreExtension у DbContext\npublic Dictionary\u003Cstring, string?> Attributes { get; set; } = new();\n",[2969,4334,4335,4340],{"__ignoreMap":3013},[3017,4336,4337],{"class":3019,"line":3020},[3017,4338,4339],{"class":3545},"// Вимагає NpgsqlHStoreExtension у DbContext\n",[3017,4341,4342,4344,4346,4348,4350,4352,4354,4357,4360,4362,4364,4366,4368,4370,4372],{"class":3019,"line":3026},[3017,4343,3792],{"class":3695},[3017,4345,4103],{"class":3551},[3017,4347,3568],{"class":3555},[3017,4349,3853],{"class":3695},[3017,4351,3307],{"class":3555},[3017,4353,3853],{"class":3695},[3017,4355,4356],{"class":3555},"?> ",[3017,4358,4359],{"class":3551},"Attributes",[3017,4361,3817],{"class":3555},[3017,4363,3820],{"class":3551},[3017,4365,3823],{"class":3555},[3017,4367,3826],{"class":3551},[3017,4369,3850],{"class":3555},[3017,4371,4130],{"class":3695},[3017,4373,4001],{"class":3555},[2965,4375,4376],{},[2984,4377,4378],{},"Range-типи",[2965,4380,4381,4382,3307,4385,3307,4388,4391],{},"PostgreSQL має вбудовані типи для діапазонів: ",[2969,4383,4384],{},"int4range",[2969,4386,4387],{},"daterange",[2969,4389,4390],{},"tstzrange"," тощо:",[3009,4393,4395],{"className":3535,"code":4394,"language":3538,"meta":3013,"style":3013},"// NpgsqlRange\u003CT> — C#-відображення PostgreSQL range types\npublic NpgsqlRange\u003CDateTime> ValidityPeriod { get; set; }\n\n// Запит: знайти записи, що перекриваються з вказаним діапазоном\nvar active = await context.Subscriptions\n    .Where(s => s.ValidityPeriod.Contains(DateTime.Now))\n    .ToListAsync();\n",[2969,4396,4397,4402,4429,4433,4438,4456,4490],{"__ignoreMap":3013},[3017,4398,4399],{"class":3019,"line":3020},[3017,4400,4401],{"class":3545},"// NpgsqlRange\u003CT> — C#-відображення PostgreSQL range types\n",[3017,4403,4404,4406,4409,4411,4414,4416,4419,4421,4423,4425,4427],{"class":3019,"line":3026},[3017,4405,3792],{"class":3695},[3017,4407,4408],{"class":3551}," NpgsqlRange",[3017,4410,3568],{"class":3555},[3017,4412,4413],{"class":3551},"DateTime",[3017,4415,4114],{"class":3555},[3017,4417,4418],{"class":3551},"ValidityPeriod",[3017,4420,3817],{"class":3555},[3017,4422,3820],{"class":3551},[3017,4424,3823],{"class":3555},[3017,4426,3826],{"class":3551},[3017,4428,3829],{"class":3555},[3017,4430,4431],{"class":3019,"line":3032},[3017,4432,3048],{"emptyLinePlaceholder":3047},[3017,4434,4435],{"class":3019,"line":3038},[3017,4436,4437],{"class":3545},"// Запит: знайти записи, що перекриваються з вказаним діапазоном\n",[3017,4439,4440,4442,4445,4447,4449,4451,4453],{"class":3019,"line":3044},[3017,4441,3939],{"class":3695},[3017,4443,4444],{"class":3551}," active",[3017,4446,3945],{"class":3555},[3017,4448,3948],{"class":3695},[3017,4450,3951],{"class":3551},[3017,4452,3556],{"class":3555},[3017,4454,4455],{"class":3551},"Subscriptions\n",[3017,4457,4458,4460,4462,4464,4467,4469,4471,4473,4475,4477,4479,4481,4483,4485,4488],{"class":3019,"line":3051},[3017,4459,3961],{"class":3555},[3017,4461,3964],{"class":3564},[3017,4463,3612],{"class":3555},[3017,4465,4466],{"class":3551},"s",[3017,4468,3972],{"class":3555},[3017,4470,4466],{"class":3551},[3017,4472,3556],{"class":3555},[3017,4474,4418],{"class":3551},[3017,4476,3556],{"class":3555},[3017,4478,3983],{"class":3564},[3017,4480,3612],{"class":3555},[3017,4482,4413],{"class":3551},[3017,4484,3556],{"class":3555},[3017,4486,4487],{"class":3551},"Now",[3017,4489,3991],{"class":3555},[3017,4491,4492,4494,4496],{"class":3019,"line":3057},[3017,4493,3961],{"class":3555},[3017,4495,3998],{"class":3564},[3017,4497,4001],{"class":3555},[3529,4499,4501],{"id":4500},"postgresql-специфічні-linq-функції","PostgreSQL-специфічні LINQ-функції",[2965,4503,4504,4505,4508],{},"Npgsql розкриває PostgreSQL-функції через статичний клас ",[2969,4506,4507],{},"EF.Functions",":",[3009,4510,4512],{"className":3535,"code":4511,"language":3538,"meta":3013,"style":3013},"// Full-text search (набагато потужніший за LIKE)\nvar results = await context.Articles\n    .Where(a => EF.Functions.ToTsVector(\"english\", a.Title + \" \" + a.Body)\n                             .Matches(EF.Functions.ToTsQuery(\"english\", \"entity & framework\")))\n    .ToListAsync();\n// SQL: WHERE to_tsvector('english', \"Title\" || ' ' || \"Body\") @@ to_tsquery('english', 'entity & framework')\n\n// ILIKE — регістронезалежний LIKE (PostgreSQL-специфічний)\nvar found = await context.Authors\n    .Where(a => EF.Functions.ILike(a.Name, \"%франко%\"))\n    .ToListAsync();\n\n// pg_trgm — fuzzy search (вимагає розширення pg_trgm)\nvar similar = await context.Books\n    .Where(b => EF.Functions.TrigramsSimilarity(b.Title, \"захар берк\") > 0.3)\n    .ToListAsync();\n",[2969,4513,4514,4519,4536,4592,4625,4633,4638,4642,4647,4665,4704,4712,4716,4721,4739,4784],{"__ignoreMap":3013},[3017,4515,4516],{"class":3019,"line":3020},[3017,4517,4518],{"class":3545},"// Full-text search (набагато потужніший за LIKE)\n",[3017,4520,4521,4523,4526,4528,4530,4532,4534],{"class":3019,"line":3026},[3017,4522,3939],{"class":3695},[3017,4524,4525],{"class":3551}," results",[3017,4527,3945],{"class":3555},[3017,4529,3948],{"class":3695},[3017,4531,3951],{"class":3551},[3017,4533,3556],{"class":3555},[3017,4535,3956],{"class":3551},[3017,4537,4538,4540,4542,4544,4546,4548,4551,4553,4556,4558,4561,4563,4566,4568,4570,4572,4575,4578,4581,4583,4585,4587,4590],{"class":3019,"line":3032},[3017,4539,3961],{"class":3555},[3017,4541,3964],{"class":3564},[3017,4543,3612],{"class":3555},[3017,4545,3969],{"class":3551},[3017,4547,3972],{"class":3555},[3017,4549,4550],{"class":3551},"EF",[3017,4552,3556],{"class":3555},[3017,4554,4555],{"class":3551},"Functions",[3017,4557,3556],{"class":3555},[3017,4559,4560],{"class":3564},"ToTsVector",[3017,4562,3612],{"class":3555},[3017,4564,4565],{"class":3615},"\"english\"",[3017,4567,3307],{"class":3555},[3017,4569,3969],{"class":3551},[3017,4571,3556],{"class":3555},[3017,4573,4574],{"class":3551},"Title",[3017,4576,4577],{"class":3555}," + ",[3017,4579,4580],{"class":3615},"\" \"",[3017,4582,4577],{"class":3555},[3017,4584,3969],{"class":3551},[3017,4586,3556],{"class":3555},[3017,4588,4589],{"class":3551},"Body",[3017,4591,4233],{"class":3555},[3017,4593,4594,4597,4600,4602,4604,4606,4608,4610,4613,4615,4617,4619,4622],{"class":3019,"line":3038},[3017,4595,4596],{"class":3555},"                             .",[3017,4598,4599],{"class":3564},"Matches",[3017,4601,3612],{"class":3555},[3017,4603,4550],{"class":3551},[3017,4605,3556],{"class":3555},[3017,4607,4555],{"class":3551},[3017,4609,3556],{"class":3555},[3017,4611,4612],{"class":3564},"ToTsQuery",[3017,4614,3612],{"class":3555},[3017,4616,4565],{"class":3615},[3017,4618,3307],{"class":3555},[3017,4620,4621],{"class":3615},"\"entity & framework\"",[3017,4623,4624],{"class":3555},")))\n",[3017,4626,4627,4629,4631],{"class":3019,"line":3044},[3017,4628,3961],{"class":3555},[3017,4630,3998],{"class":3564},[3017,4632,4001],{"class":3555},[3017,4634,4635],{"class":3019,"line":3051},[3017,4636,4637],{"class":3545},"// SQL: WHERE to_tsvector('english', \"Title\" || ' ' || \"Body\") @@ to_tsquery('english', 'entity & framework')\n",[3017,4639,4640],{"class":3019,"line":3057},[3017,4641,3048],{"emptyLinePlaceholder":3047},[3017,4643,4644],{"class":3019,"line":3063},[3017,4645,4646],{"class":3545},"// ILIKE — регістронезалежний LIKE (PostgreSQL-специфічний)\n",[3017,4648,4649,4651,4654,4656,4658,4660,4662],{"class":3019,"line":3069},[3017,4650,3939],{"class":3695},[3017,4652,4653],{"class":3551}," found",[3017,4655,3945],{"class":3555},[3017,4657,3948],{"class":3695},[3017,4659,3951],{"class":3551},[3017,4661,3556],{"class":3555},[3017,4663,4664],{"class":3551},"Authors\n",[3017,4666,4667,4669,4671,4673,4675,4677,4679,4681,4683,4685,4688,4690,4692,4694,4697,4699,4702],{"class":3019,"line":3075},[3017,4668,3961],{"class":3555},[3017,4670,3964],{"class":3564},[3017,4672,3612],{"class":3555},[3017,4674,3969],{"class":3551},[3017,4676,3972],{"class":3555},[3017,4678,4550],{"class":3551},[3017,4680,3556],{"class":3555},[3017,4682,4555],{"class":3551},[3017,4684,3556],{"class":3555},[3017,4686,4687],{"class":3564},"ILike",[3017,4689,3612],{"class":3555},[3017,4691,3969],{"class":3551},[3017,4693,3556],{"class":3555},[3017,4695,4696],{"class":3551},"Name",[3017,4698,3307],{"class":3555},[3017,4700,4701],{"class":3615},"\"%франко%\"",[3017,4703,3991],{"class":3555},[3017,4705,4706,4708,4710],{"class":3019,"line":3081},[3017,4707,3961],{"class":3555},[3017,4709,3998],{"class":3564},[3017,4711,4001],{"class":3555},[3017,4713,4714],{"class":3019,"line":3086},[3017,4715,3048],{"emptyLinePlaceholder":3047},[3017,4717,4718],{"class":3019,"line":3091},[3017,4719,4720],{"class":3545},"// pg_trgm — fuzzy search (вимагає розширення pg_trgm)\n",[3017,4722,4723,4725,4728,4730,4732,4734,4736],{"class":3019,"line":3097},[3017,4724,3939],{"class":3695},[3017,4726,4727],{"class":3551}," similar",[3017,4729,3945],{"class":3555},[3017,4731,3948],{"class":3695},[3017,4733,3951],{"class":3551},[3017,4735,3556],{"class":3555},[3017,4737,4738],{"class":3551},"Books\n",[3017,4740,4741,4743,4745,4747,4750,4752,4754,4756,4758,4760,4763,4765,4767,4769,4771,4773,4776,4779,4782],{"class":3019,"line":3103},[3017,4742,3961],{"class":3555},[3017,4744,3964],{"class":3564},[3017,4746,3612],{"class":3555},[3017,4748,4749],{"class":3551},"b",[3017,4751,3972],{"class":3555},[3017,4753,4550],{"class":3551},[3017,4755,3556],{"class":3555},[3017,4757,4555],{"class":3551},[3017,4759,3556],{"class":3555},[3017,4761,4762],{"class":3564},"TrigramsSimilarity",[3017,4764,3612],{"class":3555},[3017,4766,4749],{"class":3551},[3017,4768,3556],{"class":3555},[3017,4770,4574],{"class":3551},[3017,4772,3307],{"class":3555},[3017,4774,4775],{"class":3615},"\"захар берк\"",[3017,4777,4778],{"class":3555},") > ",[3017,4780,4781],{"class":3659},"0.3",[3017,4783,4233],{"class":3555},[3017,4785,4786,4788,4790],{"class":3019,"line":3109},[3017,4787,3961],{"class":3555},[3017,4789,3998],{"class":3564},[3017,4791,4001],{"class":3555},[3529,4793,4795],{"id":4794},"стратегії-генерації-id-у-postgresql","Стратегії генерації Id у PostgreSQL",[2965,4797,4798],{},"PostgreSQL пропонує кілька підходів до генерації первинних ключів:",[2965,4800,4801,4804,4805,4808,4809,4812],{},[2984,4802,4803],{},"Serial / Sequences (класичний підхід):","\nEF Core за замовчуванням використовує ",[2969,4806,4807],{},"SERIAL"," або ",[2969,4810,4811],{},"GENERATED ALWAYS AS IDENTITY"," — автоінкрементний integer. Просто і надійно для більшості випадків.",[2965,4814,4815],{},[2984,4816,4817],{},"UUID v4 (random):",[3009,4819,4821],{"className":3535,"code":4820,"language":3538,"meta":3013,"style":3013},"entity.Property(e => e.Id)\n    .HasDefaultValueSql(\"gen_random_uuid()\"); // PostgreSQL 13+\n",[2969,4822,4823,4848],{"__ignoreMap":3013},[3017,4824,4825,4828,4830,4832,4834,4837,4839,4841,4843,4846],{"class":3019,"line":3020},[3017,4826,4827],{"class":3551},"entity",[3017,4829,3556],{"class":3555},[3017,4831,4287],{"class":3564},[3017,4833,3612],{"class":3555},[3017,4835,4836],{"class":3551},"e",[3017,4838,3972],{"class":3555},[3017,4840,4836],{"class":3551},[3017,4842,3556],{"class":3555},[3017,4844,4845],{"class":3551},"Id",[3017,4847,4233],{"class":3555},[3017,4849,4850,4852,4855,4857,4860,4863],{"class":3019,"line":3026},[3017,4851,3961],{"class":3555},[3017,4853,4854],{"class":3564},"HasDefaultValueSql",[3017,4856,3612],{"class":3555},[3017,4858,4859],{"class":3615},"\"gen_random_uuid()\"",[3017,4861,4862],{"class":3555},"); ",[3017,4864,4865],{"class":3545},"// PostgreSQL 13+\n",[2965,4867,4868,4871],{},[2984,4869,4870],{},"HiLo (HighLow):","\nСтратегія, де застосунок резервує блоки Id у БД, а потім розподіляє їх локально. Зменшує кількість round-trips до БД при bulk insert:",[3009,4873,4875],{"className":3535,"code":4874,"language":3538,"meta":3013,"style":3013},"optionsBuilder.UseNpgsql(connectionString, opts =>\n    opts.UseHiLo(\"order_id_seq\"));\n",[2969,4876,4877,4897],{"__ignoreMap":3013},[3017,4878,4879,4882,4884,4886,4888,4891,4893,4895],{"class":3019,"line":3020},[3017,4880,4881],{"class":3551},"optionsBuilder",[3017,4883,3556],{"class":3555},[3017,4885,3591],{"class":3564},[3017,4887,3612],{"class":3555},[3017,4889,4890],{"class":3551},"connectionString",[3017,4892,3307],{"class":3555},[3017,4894,3578],{"class":3551},[3017,4896,3581],{"class":3555},[3017,4898,4899,4901,4903,4906,4908,4911],{"class":3019,"line":3026},[3017,4900,3586],{"class":3551},[3017,4902,3556],{"class":3555},[3017,4904,4905],{"class":3564},"UseHiLo",[3017,4907,3612],{"class":3555},[3017,4909,4910],{"class":3615},"\"order_id_seq\"",[3017,4912,4913],{"class":3555},"));\n",[2992,4915],{},[2960,4917,4919],{"id":4918},"microsoft-sql-server-корпоративний-стандарт","Microsoft SQL Server: корпоративний стандарт",[2965,4921,4922],{},"SQL Server — природний вибір для .NET-команд, що вже використовують Microsoft-стек, Azure або мають корпоративні ліцензійні угоди. Провайдер від Microsoft є найбільш зрілим і отримує нові можливості одночасно з новими версіями SQL Server.",[3529,4924,4926],{"id":4925},"встановлення-та-конфігурація","Встановлення та конфігурація",[3009,4928,4930],{"className":3535,"code":4929,"filename":3537,"language":3538,"meta":3013,"style":3013},"// NuGet: Microsoft.EntityFrameworkCore.SqlServer\nbuilder.Services.AddDbContext\u003CAppDbContext>(opts =>\n    opts.UseSqlServer(\n        builder.Configuration.GetConnectionString(\"SqlServer\"),\n        sqlOptions =>\n        {\n            sqlOptions.EnableRetryOnFailure(\n                maxRetryCount: 5,\n                maxRetryDelay: TimeSpan.FromSeconds(30),\n                errorNumbersToAdd: null);\n\n            // Увімкнути підтримку Temporal Tables (SQL Server 2016+)\n            sqlOptions.UseTemporalTables();\n        }));\n",[2969,4931,4932,4937,4959,4970,4989,4996,5000,5011,5021,5039,5050,5054,5059,5070],{"__ignoreMap":3013},[3017,4933,4934],{"class":3019,"line":3020},[3017,4935,4936],{"class":3545},"// NuGet: Microsoft.EntityFrameworkCore.SqlServer\n",[3017,4938,4939,4941,4943,4945,4947,4949,4951,4953,4955,4957],{"class":3019,"line":3026},[3017,4940,3552],{"class":3551},[3017,4942,3556],{"class":3555},[3017,4944,3559],{"class":3551},[3017,4946,3556],{"class":3555},[3017,4948,3565],{"class":3564},[3017,4950,3568],{"class":3555},[3017,4952,3572],{"class":3571},[3017,4954,3575],{"class":3555},[3017,4956,3578],{"class":3551},[3017,4958,3581],{"class":3555},[3017,4960,4961,4963,4965,4968],{"class":3019,"line":3032},[3017,4962,3586],{"class":3551},[3017,4964,3556],{"class":3555},[3017,4966,4967],{"class":3564},"UseSqlServer",[3017,4969,3594],{"class":3555},[3017,4971,4972,4974,4976,4978,4980,4982,4984,4987],{"class":3019,"line":3038},[3017,4973,3599],{"class":3551},[3017,4975,3556],{"class":3555},[3017,4977,3604],{"class":3551},[3017,4979,3556],{"class":3555},[3017,4981,3609],{"class":3564},[3017,4983,3612],{"class":3555},[3017,4985,4986],{"class":3615},"\"SqlServer\"",[3017,4988,3619],{"class":3555},[3017,4990,4991,4994],{"class":3019,"line":3044},[3017,4992,4993],{"class":3551},"        sqlOptions",[3017,4995,3581],{"class":3555},[3017,4997,4998],{"class":3019,"line":3051},[3017,4999,3631],{"class":3555},[3017,5001,5002,5005,5007,5009],{"class":3019,"line":3057},[3017,5003,5004],{"class":3551},"            sqlOptions",[3017,5006,3556],{"class":3555},[3017,5008,3646],{"class":3564},[3017,5010,3594],{"class":3555},[3017,5012,5013,5015,5017,5019],{"class":3019,"line":3063},[3017,5014,3653],{"class":3551},[3017,5016,3656],{"class":3555},[3017,5018,3660],{"class":3659},[3017,5020,3663],{"class":3555},[3017,5022,5023,5025,5027,5029,5031,5033,5035,5037],{"class":3019,"line":3069},[3017,5024,3668],{"class":3551},[3017,5026,3656],{"class":3555},[3017,5028,3673],{"class":3551},[3017,5030,3556],{"class":3555},[3017,5032,3678],{"class":3564},[3017,5034,3612],{"class":3555},[3017,5036,3683],{"class":3659},[3017,5038,3619],{"class":3555},[3017,5040,5041,5044,5046,5048],{"class":3019,"line":3075},[3017,5042,5043],{"class":3551},"                errorNumbersToAdd",[3017,5045,3656],{"class":3555},[3017,5047,3696],{"class":3695},[3017,5049,3699],{"class":3555},[3017,5051,5052],{"class":3019,"line":3081},[3017,5053,3048],{"emptyLinePlaceholder":3047},[3017,5055,5056],{"class":3019,"line":3086},[3017,5057,5058],{"class":3545},"            // Увімкнути підтримку Temporal Tables (SQL Server 2016+)\n",[3017,5060,5061,5063,5065,5068],{"class":3019,"line":3091},[3017,5062,5004],{"class":3551},[3017,5064,3556],{"class":3555},[3017,5066,5067],{"class":3564},"UseTemporalTables",[3017,5069,4001],{"class":3555},[3017,5071,5072],{"class":3019,"line":3097},[3017,5073,3759],{"class":3555},[3009,5075,5078],{"className":5076,"code":5077,"language":3765},[3763],"# SQL Server connection string варіанти\n# SQL Server Authentication:\nServer=localhost,1433;Database=MyDb;User Id=sa;Password=YourPassword;TrustServerCertificate=True;\n\n# Windows Authentication:\nServer=.\\SQLEXPRESS;Database=MyDb;Trusted_Connection=True;TrustServerCertificate=True;\n\n# Azure SQL:\nServer=tcp:myserver.database.windows.net,1433;Initial Catalog=mydb;\nAuthentication=Active Directory Default;\n",[2969,5079,5077],{"__ignoreMap":3013},[3529,5081,5083],{"id":5082},"специфічні-можливості-sql-server","Специфічні можливості SQL Server",[2965,5085,5086],{},[2984,5087,5088],{},"Temporal Tables (System-Versioned Tables)",[2965,5090,5091,5092,5095],{},"Одна з найцікавіших можливостей SQL Server 2016+: база автоматично зберігає всю ",[2984,5093,5094],{},"історію змін"," рядка. Кожен рядок у звичайній таблиці доповнюється рядками у таблиці-«архіві» з часовими мітками початку і кінця валідності.",[3009,5097,5099],{"className":3535,"code":5098,"language":3538,"meta":3013,"style":3013},"// Позначаємо сутність як Temporal у OnModelCreating\nmodelBuilder.Entity\u003CProduct>()\n    .ToTable(\"Products\", b => b.IsTemporal(t =>\n    {\n        t.HasPeriodStart(\"ValidFrom\");\n        t.HasPeriodEnd(\"ValidTo\");\n        t.UseHistoryTable(\"ProductsHistory\");\n    }));\n",[2969,5100,5101,5106,5122,5154,5159,5176,5192,5208],{"__ignoreMap":3013},[3017,5102,5103],{"class":3019,"line":3020},[3017,5104,5105],{"class":3545},"// Позначаємо сутність як Temporal у OnModelCreating\n",[3017,5107,5108,5111,5113,5115,5117,5120],{"class":3019,"line":3026},[3017,5109,5110],{"class":3551},"modelBuilder",[3017,5112,3556],{"class":3555},[3017,5114,4272],{"class":3564},[3017,5116,3568],{"class":3555},[3017,5118,5119],{"class":3571},"Product",[3017,5121,4279],{"class":3555},[3017,5123,5124,5126,5129,5131,5134,5136,5138,5140,5142,5144,5147,5149,5152],{"class":3019,"line":3032},[3017,5125,3961],{"class":3555},[3017,5127,5128],{"class":3564},"ToTable",[3017,5130,3612],{"class":3555},[3017,5132,5133],{"class":3615},"\"Products\"",[3017,5135,3307],{"class":3555},[3017,5137,4749],{"class":3551},[3017,5139,3972],{"class":3555},[3017,5141,4749],{"class":3551},[3017,5143,3556],{"class":3555},[3017,5145,5146],{"class":3564},"IsTemporal",[3017,5148,3612],{"class":3555},[3017,5150,5151],{"class":3551},"t",[3017,5153,3581],{"class":3555},[3017,5155,5156],{"class":3019,"line":3038},[3017,5157,5158],{"class":3555},"    {\n",[3017,5160,5161,5164,5166,5169,5171,5174],{"class":3019,"line":3044},[3017,5162,5163],{"class":3551},"        t",[3017,5165,3556],{"class":3555},[3017,5167,5168],{"class":3564},"HasPeriodStart",[3017,5170,3612],{"class":3555},[3017,5172,5173],{"class":3615},"\"ValidFrom\"",[3017,5175,3699],{"class":3555},[3017,5177,5178,5180,5182,5185,5187,5190],{"class":3019,"line":3051},[3017,5179,5163],{"class":3551},[3017,5181,3556],{"class":3555},[3017,5183,5184],{"class":3564},"HasPeriodEnd",[3017,5186,3612],{"class":3555},[3017,5188,5189],{"class":3615},"\"ValidTo\"",[3017,5191,3699],{"class":3555},[3017,5193,5194,5196,5198,5201,5203,5206],{"class":3019,"line":3057},[3017,5195,5163],{"class":3551},[3017,5197,3556],{"class":3555},[3017,5199,5200],{"class":3564},"UseHistoryTable",[3017,5202,3612],{"class":3555},[3017,5204,5205],{"class":3615},"\"ProductsHistory\"",[3017,5207,3699],{"class":3555},[3017,5209,5210],{"class":3019,"line":3063},[3017,5211,5212],{"class":3555},"    }));\n",[2965,5214,5215,5216,5219],{},"Після цього можна робити запити до ",[2984,5217,5218],{},"минулих станів"," даних прямо через LINQ:",[3009,5221,5223],{"className":3535,"code":5222,"language":3538,"meta":3013,"style":3013},"// Стан таблиці на конкретний момент у минулому\nvar productsAtDate = await context.Products\n    .TemporalAsOf(new DateTime(2024, 1, 1))\n    .ToListAsync();\n\n// Вся історія змін конкретного продукту\nvar productHistory = await context.Products\n    .TemporalAll()\n    .Where(p => p.Id == 42)\n    .Select(p => new\n    {\n        p.Name,\n        p.Price,\n        ValidFrom = EF.Property\u003CDateTime>(p, \"ValidFrom\"),\n        ValidTo   = EF.Property\u003CDateTime>(p, \"ValidTo\")\n    })\n    .ToListAsync();\n\n// Зміни за певний період\nvar changesInJanuary = await context.Products\n    .TemporalBetween(new DateTime(2024, 1, 1), new DateTime(2024, 2, 1))\n    .ToListAsync();\n",[2969,5224,5225,5230,5248,5278,5286,5290,5295,5312,5322,5348,5364,5368,5379,5390,5417,5445,5450,5458,5462,5467,5484,5531],{"__ignoreMap":3013},[3017,5226,5227],{"class":3019,"line":3020},[3017,5228,5229],{"class":3545},"// Стан таблиці на конкретний момент у минулому\n",[3017,5231,5232,5234,5237,5239,5241,5243,5245],{"class":3019,"line":3026},[3017,5233,3939],{"class":3695},[3017,5235,5236],{"class":3551}," productsAtDate",[3017,5238,3945],{"class":3555},[3017,5240,3948],{"class":3695},[3017,5242,3951],{"class":3551},[3017,5244,3556],{"class":3555},[3017,5246,5247],{"class":3551},"Products\n",[3017,5249,5250,5252,5255,5257,5259,5262,5264,5267,5269,5272,5274,5276],{"class":3019,"line":3032},[3017,5251,3961],{"class":3555},[3017,5253,5254],{"class":3564},"TemporalAsOf",[3017,5256,3612],{"class":3555},[3017,5258,4130],{"class":3695},[3017,5260,5261],{"class":3571}," DateTime",[3017,5263,3612],{"class":3555},[3017,5265,5266],{"class":3659},"2024",[3017,5268,3307],{"class":3555},[3017,5270,5271],{"class":3659},"1",[3017,5273,3307],{"class":3555},[3017,5275,5271],{"class":3659},[3017,5277,3991],{"class":3555},[3017,5279,5280,5282,5284],{"class":3019,"line":3038},[3017,5281,3961],{"class":3555},[3017,5283,3998],{"class":3564},[3017,5285,4001],{"class":3555},[3017,5287,5288],{"class":3019,"line":3044},[3017,5289,3048],{"emptyLinePlaceholder":3047},[3017,5291,5292],{"class":3019,"line":3051},[3017,5293,5294],{"class":3545},"// Вся історія змін конкретного продукту\n",[3017,5296,5297,5299,5302,5304,5306,5308,5310],{"class":3019,"line":3057},[3017,5298,3939],{"class":3695},[3017,5300,5301],{"class":3551}," productHistory",[3017,5303,3945],{"class":3555},[3017,5305,3948],{"class":3695},[3017,5307,3951],{"class":3551},[3017,5309,3556],{"class":3555},[3017,5311,5247],{"class":3551},[3017,5313,5314,5316,5319],{"class":3019,"line":3063},[3017,5315,3961],{"class":3555},[3017,5317,5318],{"class":3564},"TemporalAll",[3017,5320,5321],{"class":3555},"()\n",[3017,5323,5324,5326,5328,5330,5332,5334,5336,5338,5340,5343,5346],{"class":3019,"line":3069},[3017,5325,3961],{"class":3555},[3017,5327,3964],{"class":3564},[3017,5329,3612],{"class":3555},[3017,5331,2965],{"class":3551},[3017,5333,3972],{"class":3555},[3017,5335,2965],{"class":3551},[3017,5337,3556],{"class":3555},[3017,5339,4845],{"class":3551},[3017,5341,5342],{"class":3555}," == ",[3017,5344,5345],{"class":3659},"42",[3017,5347,4233],{"class":3555},[3017,5349,5350,5352,5355,5357,5359,5361],{"class":3019,"line":3075},[3017,5351,3961],{"class":3555},[3017,5353,5354],{"class":3564},"Select",[3017,5356,3612],{"class":3555},[3017,5358,2965],{"class":3551},[3017,5360,3972],{"class":3555},[3017,5362,5363],{"class":3695},"new\n",[3017,5365,5366],{"class":3019,"line":3081},[3017,5367,5158],{"class":3555},[3017,5369,5370,5373,5375,5377],{"class":3019,"line":3086},[3017,5371,5372],{"class":3551},"        p",[3017,5374,3556],{"class":3555},[3017,5376,4696],{"class":3551},[3017,5378,3663],{"class":3555},[3017,5380,5381,5383,5385,5388],{"class":3019,"line":3091},[3017,5382,5372],{"class":3551},[3017,5384,3556],{"class":3555},[3017,5386,5387],{"class":3551},"Price",[3017,5389,3663],{"class":3555},[3017,5391,5392,5395,5397,5399,5401,5403,5405,5407,5409,5411,5413,5415],{"class":3019,"line":3097},[3017,5393,5394],{"class":3551},"        ValidFrom",[3017,5396,3945],{"class":3555},[3017,5398,4550],{"class":3551},[3017,5400,3556],{"class":3555},[3017,5402,4287],{"class":3564},[3017,5404,3568],{"class":3555},[3017,5406,4413],{"class":3571},[3017,5408,3575],{"class":3555},[3017,5410,2965],{"class":3551},[3017,5412,3307],{"class":3555},[3017,5414,5173],{"class":3615},[3017,5416,3619],{"class":3555},[3017,5418,5419,5422,5425,5427,5429,5431,5433,5435,5437,5439,5441,5443],{"class":3019,"line":3103},[3017,5420,5421],{"class":3551},"        ValidTo",[3017,5423,5424],{"class":3555},"   = ",[3017,5426,4550],{"class":3551},[3017,5428,3556],{"class":3555},[3017,5430,4287],{"class":3564},[3017,5432,3568],{"class":3555},[3017,5434,4413],{"class":3571},[3017,5436,3575],{"class":3555},[3017,5438,2965],{"class":3551},[3017,5440,3307],{"class":3555},[3017,5442,5189],{"class":3615},[3017,5444,4233],{"class":3555},[3017,5446,5447],{"class":3019,"line":3109},[3017,5448,5449],{"class":3555},"    })\n",[3017,5451,5452,5454,5456],{"class":3019,"line":3115},[3017,5453,3961],{"class":3555},[3017,5455,3998],{"class":3564},[3017,5457,4001],{"class":3555},[3017,5459,5460],{"class":3019,"line":3121},[3017,5461,3048],{"emptyLinePlaceholder":3047},[3017,5463,5464],{"class":3019,"line":3126},[3017,5465,5466],{"class":3545},"// Зміни за певний період\n",[3017,5468,5469,5471,5474,5476,5478,5480,5482],{"class":3019,"line":3131},[3017,5470,3939],{"class":3695},[3017,5472,5473],{"class":3551}," changesInJanuary",[3017,5475,3945],{"class":3555},[3017,5477,3948],{"class":3695},[3017,5479,3951],{"class":3551},[3017,5481,3556],{"class":3555},[3017,5483,5247],{"class":3551},[3017,5485,5486,5488,5491,5493,5495,5497,5499,5501,5503,5505,5507,5509,5512,5514,5516,5518,5520,5522,5525,5527,5529],{"class":3019,"line":3137},[3017,5487,3961],{"class":3555},[3017,5489,5490],{"class":3564},"TemporalBetween",[3017,5492,3612],{"class":3555},[3017,5494,4130],{"class":3695},[3017,5496,5261],{"class":3571},[3017,5498,3612],{"class":3555},[3017,5500,5266],{"class":3659},[3017,5502,3307],{"class":3555},[3017,5504,5271],{"class":3659},[3017,5506,3307],{"class":3555},[3017,5508,5271],{"class":3659},[3017,5510,5511],{"class":3555},"), ",[3017,5513,4130],{"class":3695},[3017,5515,5261],{"class":3571},[3017,5517,3612],{"class":3555},[3017,5519,5266],{"class":3659},[3017,5521,3307],{"class":3555},[3017,5523,5524],{"class":3659},"2",[3017,5526,3307],{"class":3555},[3017,5528,5271],{"class":3659},[3017,5530,3991],{"class":3555},[3017,5532,5533,5535,5537],{"class":3019,"line":3143},[3017,5534,3961],{"class":3555},[3017,5536,3998],{"class":3564},[3017,5538,4001],{"class":3555},[2965,5540,5541],{},"Temporal Tables є вбудованим механізмом аудиту без жодного додаткового коду в застосунку. Це значно потужніше за ручний аудит через тригери або Interceptors.",[2965,5543,5544],{},[2984,5545,5546],{},"HiLo — ефективна генерація Id",[2965,5548,5549],{},"SQL Server EF Core провайдер нативно підтримує стратегію HiLo через sequences:",[3009,5551,5553],{"className":3535,"code":5552,"language":3538,"meta":3013,"style":3013},"modelBuilder.Entity\u003COrder>()\n    .Property(o => o.Id)\n    .UseHiLo(\"OrderIdSequence\");\n// SQL: CREATE SEQUENCE [OrderIdSequence] START WITH 1 INCREMENT BY 10\n",[2969,5554,5555,5569,5589,5602],{"__ignoreMap":3013},[3017,5556,5557,5559,5561,5563,5565,5567],{"class":3019,"line":3020},[3017,5558,5110],{"class":3551},[3017,5560,3556],{"class":3555},[3017,5562,4272],{"class":3564},[3017,5564,3568],{"class":3555},[3017,5566,2971],{"class":3571},[3017,5568,4279],{"class":3555},[3017,5570,5571,5573,5575,5577,5579,5581,5583,5585,5587],{"class":3019,"line":3026},[3017,5572,3961],{"class":3555},[3017,5574,4287],{"class":3564},[3017,5576,3612],{"class":3555},[3017,5578,4292],{"class":3551},[3017,5580,3972],{"class":3555},[3017,5582,4292],{"class":3551},[3017,5584,3556],{"class":3555},[3017,5586,4845],{"class":3551},[3017,5588,4233],{"class":3555},[3017,5590,5591,5593,5595,5597,5600],{"class":3019,"line":3032},[3017,5592,3961],{"class":3555},[3017,5594,4905],{"class":3564},[3017,5596,3612],{"class":3555},[3017,5598,5599],{"class":3615},"\"OrderIdSequence\"",[3017,5601,3699],{"class":3555},[3017,5603,5604],{"class":3019,"line":3038},[3017,5605,5606],{"class":3545},"// SQL: CREATE SEQUENCE [OrderIdSequence] START WITH 1 INCREMENT BY 10\n",[2965,5608,5609],{},[2984,5610,5611],{},"Memory-Optimized Tables (Hekaton)",[2965,5613,5614],{},"SQL Server дозволяє тримати таблиці повністю в пам'яті для максимальної продуктивності:",[3009,5616,5618],{"className":3535,"code":5617,"language":3538,"meta":3013,"style":3013},"modelBuilder.Entity\u003CSessionCache>()\n    .ToTable(t => t.IsMemoryOptimized());\n",[2969,5619,5620,5635],{"__ignoreMap":3013},[3017,5621,5622,5624,5626,5628,5630,5633],{"class":3019,"line":3020},[3017,5623,5110],{"class":3551},[3017,5625,3556],{"class":3555},[3017,5627,4272],{"class":3564},[3017,5629,3568],{"class":3555},[3017,5631,5632],{"class":3571},"SessionCache",[3017,5634,4279],{"class":3555},[3017,5636,5637,5639,5641,5643,5645,5647,5649,5651,5654],{"class":3019,"line":3026},[3017,5638,3961],{"class":3555},[3017,5640,5128],{"class":3564},[3017,5642,3612],{"class":3555},[3017,5644,5151],{"class":3551},[3017,5646,3972],{"class":3555},[3017,5648,5151],{"class":3551},[3017,5650,3556],{"class":3555},[3017,5652,5653],{"class":3564},"IsMemoryOptimized",[3017,5655,5656],{"class":3555},"());\n",[3529,5658,5660],{"id":5659},"sql-server-і-типи-даних","SQL Server і типи даних",[3342,5662,5663,5676],{},[3345,5664,5665],{},[3348,5666,5667,5670,5673],{},[3351,5668,5669],{},"C# тип",[3351,5671,5672],{},"SQL Server тип",[3351,5674,5675],{},"Особливості",[3364,5677,5678,5692,5710,5728,5749,5765,5780,5794],{},[3348,5679,5680,5684,5689],{},[3369,5681,5682],{},[2969,5683,3853],{},[3369,5685,5686],{},[2969,5687,5688],{},"nvarchar(max)",[3369,5690,5691],{},"Unicode за замовчуванням",[3348,5693,5694,5702,5707],{},[3369,5695,5696,5698,5699],{},[2969,5697,3853],{}," з ",[2969,5700,5701],{},"HasMaxLength(n)",[3369,5703,5704],{},[2969,5705,5706],{},"nvarchar(n)",[3369,5708,5709],{},"до 4000 символів",[3348,5711,5712,5716,5721],{},[3369,5713,5714],{},[2969,5715,3277],{},[3369,5717,5718],{},[2969,5719,5720],{},"decimal(18,2)",[3369,5722,5723,5724,5727],{},"Потрібно ",[2969,5725,5726],{},"HasPrecision()"," для точного контролю",[3348,5729,5730,5734,5739],{},[3369,5731,5732],{},[2969,5733,4413],{},[3369,5735,5736],{},[2969,5737,5738],{},"datetime2(7)",[3369,5740,5741,5742,5745,5746],{},"EF Core використовує ",[2969,5743,5744],{},"datetime2",", а не ",[2969,5747,5748],{},"datetime",[3348,5750,5751,5757,5762],{},[3369,5752,5753,5756],{},[2969,5754,5755],{},"DateOnly"," (.NET 6+)",[3369,5758,5759],{},[2969,5760,5761],{},"date",[3369,5763,5764],{},"Лише дата без часу",[3348,5766,5767,5772,5777],{},[3369,5768,5769,5756],{},[2969,5770,5771],{},"TimeOnly",[3369,5773,5774],{},[2969,5775,5776],{},"time",[3369,5778,5779],{},"Лише час без дати",[3348,5781,5782,5786,5791],{},[3369,5783,5784],{},[2969,5785,3289],{},[3369,5787,5788],{},[2969,5789,5790],{},"uniqueidentifier",[3369,5792,5793],{},"16 байт, ускладнює кластерний індекс",[3348,5795,5796,5801,5806],{},[3369,5797,5798],{},[2969,5799,5800],{},"byte[]",[3369,5802,5803],{},[2969,5804,5805],{},"varbinary(max)",[3369,5807,5808],{},"Бінарні дані",[5810,5811,5812,5813,5815,5816,5818,5819,5821,5822,5824,5825,5828],"warning",{},"Тип ",[2969,5814,5748],{}," (старий SQL Server тип) і ",[2969,5817,5744],{}," відрізняються точністю і діапазоном. EF Core за замовчуванням використовує ",[2969,5820,5744],{},", але якщо у вас legacy-база з ",[2969,5823,5748],{}," — будьте уважні з округленням мілісекунд. Явно вкажіть ",[2969,5826,5827],{},"HasColumnType(\"datetime\")"," для сумісності.",[2992,5830],{},[2960,5832,5834],{"id":5833},"sqlite-легковісна-база-для-розробки-та-тестування","SQLite: легковісна база для розробки та тестування",[2965,5836,5837],{},"SQLite — унікальна СУБД: вона не є сервером. Вся база зберігається в одному файлі на диску. Немає сервісу, немає мережевого з'єднання, немає адміністрування. Ідеальний вибір для:",[3494,5839,5840,5846,5855,5864],{},[3497,5841,5842,5845],{},[2984,5843,5844],{},"Розробки",": швидкий старт без налаштування Docker чи Windows-сервісу",[3497,5847,5848,3656,5851,5854],{},[2984,5849,5850],{},"Тестів",[2969,5852,5853],{},"Data Source=:memory:"," — база повністю в пам'яті, швидше будь-якого сервера",[3497,5856,5857,3320,5860,5863],{},[2984,5858,5859],{},"Desktop-застосунків",[2984,5861,5862],{},"мобільних"," (через MAUI)",[3497,5865,5866,5869],{},[2984,5867,5868],{},"Вбудованих систем"," (IoT, edge devices)",[3009,5871,5873],{"className":3535,"code":5872,"filename":3537,"language":3538,"meta":3013,"style":3013},"// NuGet: Microsoft.EntityFrameworkCore.Sqlite\nbuilder.Services.AddDbContext\u003CAppDbContext>(opts =>\n    opts.UseSqlite(\n        \"Data Source=myapp.db\",\n        sqliteOptions =>\n        {\n            sqliteOptions.CommandTimeout(30);\n        }));\n\n// In-memory для тестів\nservices.AddDbContext\u003CAppDbContext>(opts =>\n    opts.UseSqlite(\"Data Source=:memory:\"));\n",[2969,5874,5875,5880,5902,5913,5920,5927,5931,5946,5950,5954,5959,5978],{"__ignoreMap":3013},[3017,5876,5877],{"class":3019,"line":3020},[3017,5878,5879],{"class":3545},"// NuGet: Microsoft.EntityFrameworkCore.Sqlite\n",[3017,5881,5882,5884,5886,5888,5890,5892,5894,5896,5898,5900],{"class":3019,"line":3026},[3017,5883,3552],{"class":3551},[3017,5885,3556],{"class":3555},[3017,5887,3559],{"class":3551},[3017,5889,3556],{"class":3555},[3017,5891,3565],{"class":3564},[3017,5893,3568],{"class":3555},[3017,5895,3572],{"class":3571},[3017,5897,3575],{"class":3555},[3017,5899,3578],{"class":3551},[3017,5901,3581],{"class":3555},[3017,5903,5904,5906,5908,5911],{"class":3019,"line":3032},[3017,5905,3586],{"class":3551},[3017,5907,3556],{"class":3555},[3017,5909,5910],{"class":3564},"UseSqlite",[3017,5912,3594],{"class":3555},[3017,5914,5915,5918],{"class":3019,"line":3038},[3017,5916,5917],{"class":3615},"        \"Data Source=myapp.db\"",[3017,5919,3663],{"class":3555},[3017,5921,5922,5925],{"class":3019,"line":3044},[3017,5923,5924],{"class":3551},"        sqliteOptions",[3017,5926,3581],{"class":3555},[3017,5928,5929],{"class":3019,"line":3051},[3017,5930,3631],{"class":3555},[3017,5932,5933,5936,5938,5940,5942,5944],{"class":3019,"line":3057},[3017,5934,5935],{"class":3551},"            sqliteOptions",[3017,5937,3556],{"class":3555},[3017,5939,3747],{"class":3564},[3017,5941,3612],{"class":3555},[3017,5943,3683],{"class":3659},[3017,5945,3699],{"class":3555},[3017,5947,5948],{"class":3019,"line":3063},[3017,5949,3759],{"class":3555},[3017,5951,5952],{"class":3019,"line":3069},[3017,5953,3048],{"emptyLinePlaceholder":3047},[3017,5955,5956],{"class":3019,"line":3075},[3017,5957,5958],{"class":3545},"// In-memory для тестів\n",[3017,5960,5961,5964,5966,5968,5970,5972,5974,5976],{"class":3019,"line":3081},[3017,5962,5963],{"class":3551},"services",[3017,5965,3556],{"class":3555},[3017,5967,3565],{"class":3564},[3017,5969,3568],{"class":3555},[3017,5971,3572],{"class":3571},[3017,5973,3575],{"class":3555},[3017,5975,3578],{"class":3551},[3017,5977,3581],{"class":3555},[3017,5979,5980,5982,5984,5986,5988,5991],{"class":3019,"line":3086},[3017,5981,3586],{"class":3551},[3017,5983,3556],{"class":3555},[3017,5985,5910],{"class":3564},[3017,5987,3612],{"class":3555},[3017,5989,5990],{"class":3615},"\"Data Source=:memory:\"",[3017,5992,4913],{"class":3555},[3529,5994,5996],{"id":5995},"суттєві-обмеження-sqlite","Суттєві обмеження SQLite",[2965,5998,5999],{},"SQLite — це trade-off: простота і легковісність в обмін на функціональність. Критично важливо знати обмеження:",[2965,6001,6002],{},[2984,6003,6004],{},"Обмеження ALTER TABLE",[2965,6006,6007,6008,6011,6012,6015,6016,6019],{},"SQLite не підтримує ",[2969,6009,6010],{},"ALTER TABLE ... ADD COLUMN"," для стовпців з обмеженнями (NOT NULL без DEFAULT), ",[2969,6013,6014],{},"DROP COLUMN"," (до SQLite 3.35.0), ",[2969,6017,6018],{},"RENAME COLUMN"," (до SQLite 3.25.0). При деяких міграціях EF Core змушений виконувати «recreation» — створити нову таблицю, скопіювати дані, видалити стару:",[3009,6021,6025],{"className":6022,"code":6023,"language":6024,"meta":3013,"style":3013},"language-sql shiki shiki-themes light-plus dark-plus dark-plus","-- Те, що EF Core робить при зміні типу стовпця у SQLite:\nCREATE TABLE \"Books_new\" (...);\nINSERT INTO \"Books_new\" SELECT ... FROM \"Books\";\nDROP TABLE \"Books\";\nALTER TABLE \"Books_new\" RENAME TO \"Books\";\n","sql",[2969,6026,6027,6032,6049,6071,6082],{"__ignoreMap":3013},[3017,6028,6029],{"class":3019,"line":3020},[3017,6030,6031],{"class":3545},"-- Те, що EF Core робить при зміні типу стовпця у SQLite:\n",[3017,6033,6034,6037,6040,6043,6046],{"class":3019,"line":3026},[3017,6035,6036],{"class":3695},"CREATE",[3017,6038,6039],{"class":3695}," TABLE",[3017,6041,6042],{"class":3555}," \"",[3017,6044,6045],{"class":3564},"Books_new",[3017,6047,6048],{"class":3555},"\" (...);\n",[3017,6050,6051,6054,6057,6060,6063,6066,6069],{"class":3019,"line":3032},[3017,6052,6053],{"class":3695},"INSERT INTO",[3017,6055,6056],{"class":3615}," \"Books_new\"",[3017,6058,6059],{"class":3695}," SELECT",[3017,6061,6062],{"class":3555}," ... ",[3017,6064,6065],{"class":3695},"FROM",[3017,6067,6068],{"class":3615}," \"Books\"",[3017,6070,3861],{"class":3555},[3017,6072,6073,6076,6078,6080],{"class":3019,"line":3038},[3017,6074,6075],{"class":3695},"DROP",[3017,6077,6039],{"class":3695},[3017,6079,6068],{"class":3615},[3017,6081,3861],{"class":3555},[3017,6083,6084,6087,6089,6091,6094,6097,6099],{"class":3019,"line":3044},[3017,6085,6086],{"class":3695},"ALTER",[3017,6088,6039],{"class":3695},[3017,6090,6056],{"class":3615},[3017,6092,6093],{"class":3555}," RENAME ",[3017,6095,6096],{"class":3695},"TO",[3017,6098,6068],{"class":3615},[3017,6100,3861],{"class":3555},[2965,6102,6103,6104,6107],{},"Це ",[2984,6105,6106],{},"не атомарна операція"," за замовчуванням і може призвести до втрати даних при збої. Для продакшн-міграцій SQLite з великими таблицями цей момент потребує уваги.",[2965,6109,6110],{},[2984,6111,6112],{},"Відсутність Foreign Key Constraints за замовчуванням",[2965,6114,6115,6116,6119],{},"SQLite підтримує foreign keys, але вони ",[2984,6117,6118],{},"вимкнені за замовчуванням"," (з міркувань зворотної сумісності). EF Core не вмикає їх автоматично — ви маєте зробити це явно:",[3009,6121,6123],{"className":3535,"code":6122,"language":3538,"meta":3013,"style":3013},"protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)\n{\n    optionsBuilder.UseSqlite(\"Data Source=mydb.db\",\n        sqlite => sqlite.EnableForeignKeys()); // або через PRAGMA\n}\n",[2969,6124,6125,6146,6150,6166,6187],{"__ignoreMap":3013},[3017,6126,6127,6129,6131,6133,6136,6138,6141,6144],{"class":3019,"line":3020},[3017,6128,4213],{"class":3695},[3017,6130,4216],{"class":3695},[3017,6132,4219],{"class":3695},[3017,6134,6135],{"class":3564}," OnConfiguring",[3017,6137,3612],{"class":3555},[3017,6139,6140],{"class":3571},"DbContextOptionsBuilder",[3017,6142,6143],{"class":3551}," optionsBuilder",[3017,6145,4233],{"class":3555},[3017,6147,6148],{"class":3019,"line":3026},[3017,6149,3803],{"class":3555},[3017,6151,6152,6155,6157,6159,6161,6164],{"class":3019,"line":3032},[3017,6153,6154],{"class":3551},"    optionsBuilder",[3017,6156,3556],{"class":3555},[3017,6158,5910],{"class":3564},[3017,6160,3612],{"class":3555},[3017,6162,6163],{"class":3615},"\"Data Source=mydb.db\"",[3017,6165,3663],{"class":3555},[3017,6167,6168,6171,6173,6176,6178,6181,6184],{"class":3019,"line":3038},[3017,6169,6170],{"class":3551},"        sqlite",[3017,6172,3972],{"class":3555},[3017,6174,6175],{"class":3551},"sqlite",[3017,6177,3556],{"class":3555},[3017,6179,6180],{"class":3564},"EnableForeignKeys",[3017,6182,6183],{"class":3555},"()); ",[3017,6185,6186],{"class":3545},"// або через PRAGMA\n",[3017,6188,6189],{"class":3019,"line":3044},[3017,6190,3925],{"class":3555},[2965,6192,6193],{},"Або через raw SQL при відкритті з'єднання:",[3009,6195,6197],{"className":3535,"code":6196,"language":3538,"meta":3013,"style":3013},"// Через DbContext event\ncontext.Database.ExecuteSqlRaw(\"PRAGMA foreign_keys = ON;\");\n",[2969,6198,6199,6204],{"__ignoreMap":3013},[3017,6200,6201],{"class":3019,"line":3020},[3017,6202,6203],{"class":3545},"// Через DbContext event\n",[3017,6205,6206,6209,6211,6214,6216,6219,6221,6224],{"class":3019,"line":3026},[3017,6207,6208],{"class":3551},"context",[3017,6210,3556],{"class":3555},[3017,6212,6213],{"class":3551},"Database",[3017,6215,3556],{"class":3555},[3017,6217,6218],{"class":3564},"ExecuteSqlRaw",[3017,6220,3612],{"class":3555},[3017,6222,6223],{"class":3615},"\"PRAGMA foreign_keys = ON;\"",[3017,6225,3699],{"class":3555},[2965,6227,6228],{},"Без цього cascade delete і перевірки FK просто не спрацьовуватимуть, і ви можете отримати orphaned records — записи, що посилаються на неіснуючий батьківський рядок.",[2965,6230,6231],{},[2984,6232,6233],{},"Тільки один writer одночасно",[2965,6235,6236,6237,6240,6241,6244,6245,6248],{},"SQLite підтримує одночасно лише ",[2984,6238,6239],{},"один"," write-з'єднання (на рівні файлу). При кількох паралельних записах один з них отримає ",[2969,6242,6243],{},"SQLITE_BUSY"," / ",[2969,6246,6247],{},"SQLITE_LOCKED",". Для читань — одночасне читання можливе (WAL-режим).",[2965,6250,6251],{},"Для серверних застосунків з паралельними запитами SQLite є анти-рішенням. Для тестів — не проблема, бо тести виконуються послідовно.",[2965,6253,6254],{},[2984,6255,6256],{},"Динамічна типізація",[2965,6258,6259,6260,6263,6264,6267],{},"SQLite використовує ",[2984,6261,6262],{},"dynamic typing",": тип стовпця є рекомендацією, а не суворим обмеженням. Ви можете записати рядок у стовпець з типом ",[2969,6265,6266],{},"INTEGER",". EF Core намагається обійти це, але дрібні несподіванки можливі.",[3529,6269,6271],{"id":6270},"sqlite-in-memory-для-тестування","SQLite in-memory для тестування",[2965,6273,6274,6275,6278],{},"In-memory баз даних SQLite для тестів — поширена практика. Але є нюанс: кожне ",[2984,6276,6277],{},"нове з'єднання"," отримує нову, порожню in-memory базу. Якщо тест закриває та відкриває з'єднання — база «зникає».",[3009,6280,6283],{"className":3535,"code":6281,"filename":6282,"language":3538,"meta":3013,"style":3013},"public class DbFixture : IDisposable\n{\n    private readonly SqliteConnection _connection;\n    public AppDbContext Context { get; }\n\n    public DbFixture()\n    {\n        // Одне з'єднання залишається відкритим весь час тесту\n        // Завдяки цьому in-memory база \"виживає\" між операціями\n        _connection = new SqliteConnection(\"Data Source=:memory:\");\n        _connection.Open();\n\n        var options = new DbContextOptionsBuilder\u003CAppDbContext>()\n            .UseSqlite(_connection)\n            .Options;\n\n        Context = new AppDbContext(options);\n        Context.Database.EnsureCreated();\n    }\n\n    public void Dispose()\n    {\n        Context.Dispose();\n        _connection.Dispose();\n    }\n}\n","Tests/DbFixture.cs",[2969,6284,6285,6300,6304,6320,6336,6340,6348,6352,6357,6362,6379,6390,6394,6415,6429,6438,6442,6460,6475,6480,6484,6495,6499,6510,6520,6524],{"__ignoreMap":3013},[3017,6286,6287,6289,6291,6294,6297],{"class":3019,"line":3020},[3017,6288,3792],{"class":3695},[3017,6290,3795],{"class":3695},[3017,6292,6293],{"class":3571}," DbFixture",[3017,6295,6296],{"class":3555}," : ",[3017,6298,6299],{"class":3571},"IDisposable\n",[3017,6301,6302],{"class":3019,"line":3026},[3017,6303,3803],{"class":3555},[3017,6305,6306,6309,6312,6315,6318],{"class":3019,"line":3032},[3017,6307,6308],{"class":3695},"    private",[3017,6310,6311],{"class":3695}," readonly",[3017,6313,6314],{"class":3571}," SqliteConnection",[3017,6316,6317],{"class":3551}," _connection",[3017,6319,3861],{"class":3555},[3017,6321,6322,6324,6327,6330,6332,6334],{"class":3019,"line":3038},[3017,6323,3808],{"class":3695},[3017,6325,6326],{"class":3571}," AppDbContext",[3017,6328,6329],{"class":3551}," Context",[3017,6331,3817],{"class":3555},[3017,6333,3820],{"class":3695},[3017,6335,3829],{"class":3555},[3017,6337,6338],{"class":3019,"line":3044},[3017,6339,3048],{"emptyLinePlaceholder":3047},[3017,6341,6342,6344,6346],{"class":3019,"line":3051},[3017,6343,3808],{"class":3695},[3017,6345,6293],{"class":3564},[3017,6347,5321],{"class":3555},[3017,6349,6350],{"class":3019,"line":3057},[3017,6351,5158],{"class":3555},[3017,6353,6354],{"class":3019,"line":3063},[3017,6355,6356],{"class":3545},"        // Одне з'єднання залишається відкритим весь час тесту\n",[3017,6358,6359],{"class":3019,"line":3069},[3017,6360,6361],{"class":3545},"        // Завдяки цьому in-memory база \"виживає\" між операціями\n",[3017,6363,6364,6367,6369,6371,6373,6375,6377],{"class":3019,"line":3075},[3017,6365,6366],{"class":3551},"        _connection",[3017,6368,3945],{"class":3555},[3017,6370,4130],{"class":3695},[3017,6372,6314],{"class":3571},[3017,6374,3612],{"class":3555},[3017,6376,5990],{"class":3615},[3017,6378,3699],{"class":3555},[3017,6380,6381,6383,6385,6388],{"class":3019,"line":3081},[3017,6382,6366],{"class":3551},[3017,6384,3556],{"class":3555},[3017,6386,6387],{"class":3564},"Open",[3017,6389,4001],{"class":3555},[3017,6391,6392],{"class":3019,"line":3086},[3017,6393,3048],{"emptyLinePlaceholder":3047},[3017,6395,6396,6399,6402,6404,6406,6409,6411,6413],{"class":3019,"line":3091},[3017,6397,6398],{"class":3695},"        var",[3017,6400,6401],{"class":3551}," options",[3017,6403,3945],{"class":3555},[3017,6405,4130],{"class":3695},[3017,6407,6408],{"class":3571}," DbContextOptionsBuilder",[3017,6410,3568],{"class":3555},[3017,6412,3572],{"class":3571},[3017,6414,4279],{"class":3555},[3017,6416,6417,6420,6422,6424,6427],{"class":3019,"line":3097},[3017,6418,6419],{"class":3555},"            .",[3017,6421,5910],{"class":3564},[3017,6423,3612],{"class":3555},[3017,6425,6426],{"class":3551},"_connection",[3017,6428,4233],{"class":3555},[3017,6430,6431,6433,6436],{"class":3019,"line":3103},[3017,6432,6419],{"class":3555},[3017,6434,6435],{"class":3551},"Options",[3017,6437,3861],{"class":3555},[3017,6439,6440],{"class":3019,"line":3109},[3017,6441,3048],{"emptyLinePlaceholder":3047},[3017,6443,6444,6447,6449,6451,6453,6455,6458],{"class":3019,"line":3115},[3017,6445,6446],{"class":3551},"        Context",[3017,6448,3945],{"class":3555},[3017,6450,4130],{"class":3695},[3017,6452,6326],{"class":3571},[3017,6454,3612],{"class":3555},[3017,6456,6457],{"class":3551},"options",[3017,6459,3699],{"class":3555},[3017,6461,6462,6464,6466,6468,6470,6473],{"class":3019,"line":3121},[3017,6463,6446],{"class":3551},[3017,6465,3556],{"class":3555},[3017,6467,6213],{"class":3551},[3017,6469,3556],{"class":3555},[3017,6471,6472],{"class":3564},"EnsureCreated",[3017,6474,4001],{"class":3555},[3017,6476,6477],{"class":3019,"line":3126},[3017,6478,6479],{"class":3555},"    }\n",[3017,6481,6482],{"class":3019,"line":3131},[3017,6483,3048],{"emptyLinePlaceholder":3047},[3017,6485,6486,6488,6490,6493],{"class":3019,"line":3137},[3017,6487,3808],{"class":3695},[3017,6489,4219],{"class":3695},[3017,6491,6492],{"class":3564}," Dispose",[3017,6494,5321],{"class":3555},[3017,6496,6497],{"class":3019,"line":3143},[3017,6498,5158],{"class":3555},[3017,6500,6501,6503,6505,6508],{"class":3019,"line":3149},[3017,6502,6446],{"class":3551},[3017,6504,3556],{"class":3555},[3017,6506,6507],{"class":3564},"Dispose",[3017,6509,4001],{"class":3555},[3017,6511,6512,6514,6516,6518],{"class":3019,"line":3155},[3017,6513,6366],{"class":3551},[3017,6515,3556],{"class":3555},[3017,6517,6507],{"class":3564},[3017,6519,4001],{"class":3555},[3017,6521,6522],{"class":3019,"line":3161},[3017,6523,6479],{"class":3555},[3017,6525,6526],{"class":3019,"line":3166},[3017,6527,3925],{"class":3555},[2965,6529,6530,6537,6538,6540,6541,3556],{},[2984,6531,6532,6533,6536],{},"Чому ",[2969,6534,6535],{},"SqliteConnection"," тримається відкритим:"," SQLite in-memory бази існують лише в межах одного з'єднання. Якщо з'єднання закрити — база зникне. Тому ми явно тримаємо відкрите ",[2969,6539,6535],{}," і передаємо його в ",[2969,6542,6140],{},[2992,6544],{},[2960,6546,6548],{"id":6547},"mysql-та-mariadb-pomelo-веб-стек","MySQL та MariaDB (Pomelo): веб-стек",[2965,6550,6551],{},"MySQL є найпоширенішою СУБД у веб-середовищі завдяки великій базі існуючих проєктів на PHP/Python і хостинг-провайдерів, що надають MySQL «з коробки». MariaDB є fork MySQL з відкритим кодом і більш активним розвитком.",[2965,6553,6554],{},"Є два EF Core провайдери для MySQL:",[6556,6557,6558,6563],"ol",{},[3497,6559,6560,6562],{},[2984,6561,3423],{}," — рекомендований, активно підтримується спільнотою, підтримує MySQL 5.7+, MariaDB 10.2+",[3497,6564,6565,6567],{},[2984,6566,3439],{}," — офіційний від Oracle, менш функціональний",[3009,6569,6571],{"className":3535,"code":6570,"filename":3537,"language":3538,"meta":3013,"style":3013},"// NuGet: Pomelo.EntityFrameworkCore.MySql\nbuilder.Services.AddDbContext\u003CAppDbContext>(opts =>\n    opts.UseMySql(\n        builder.Configuration.GetConnectionString(\"MySql\"),\n        ServerVersion.AutoDetect(connectionString), // або явно: new MySqlServerVersion(new Version(8, 0, 30))\n        mySqlOptions =>\n        {\n            mySqlOptions.EnableRetryOnFailure(5, TimeSpan.FromSeconds(30), null);\n        }));\n",[2969,6572,6573,6578,6600,6611,6630,6649,6656,6660,6691],{"__ignoreMap":3013},[3017,6574,6575],{"class":3019,"line":3020},[3017,6576,6577],{"class":3545},"// NuGet: Pomelo.EntityFrameworkCore.MySql\n",[3017,6579,6580,6582,6584,6586,6588,6590,6592,6594,6596,6598],{"class":3019,"line":3026},[3017,6581,3552],{"class":3551},[3017,6583,3556],{"class":3555},[3017,6585,3559],{"class":3551},[3017,6587,3556],{"class":3555},[3017,6589,3565],{"class":3564},[3017,6591,3568],{"class":3555},[3017,6593,3572],{"class":3571},[3017,6595,3575],{"class":3555},[3017,6597,3578],{"class":3551},[3017,6599,3581],{"class":3555},[3017,6601,6602,6604,6606,6609],{"class":3019,"line":3032},[3017,6603,3586],{"class":3551},[3017,6605,3556],{"class":3555},[3017,6607,6608],{"class":3564},"UseMySql",[3017,6610,3594],{"class":3555},[3017,6612,6613,6615,6617,6619,6621,6623,6625,6628],{"class":3019,"line":3038},[3017,6614,3599],{"class":3551},[3017,6616,3556],{"class":3555},[3017,6618,3604],{"class":3551},[3017,6620,3556],{"class":3555},[3017,6622,3609],{"class":3564},[3017,6624,3612],{"class":3555},[3017,6626,6627],{"class":3615},"\"MySql\"",[3017,6629,3619],{"class":3555},[3017,6631,6632,6635,6637,6640,6642,6644,6646],{"class":3019,"line":3044},[3017,6633,6634],{"class":3551},"        ServerVersion",[3017,6636,3556],{"class":3555},[3017,6638,6639],{"class":3564},"AutoDetect",[3017,6641,3612],{"class":3555},[3017,6643,4890],{"class":3551},[3017,6645,5511],{"class":3555},[3017,6647,6648],{"class":3545},"// або явно: new MySqlServerVersion(new Version(8, 0, 30))\n",[3017,6650,6651,6654],{"class":3019,"line":3051},[3017,6652,6653],{"class":3551},"        mySqlOptions",[3017,6655,3581],{"class":3555},[3017,6657,6658],{"class":3019,"line":3057},[3017,6659,3631],{"class":3555},[3017,6661,6662,6665,6667,6669,6671,6673,6675,6677,6679,6681,6683,6685,6687,6689],{"class":3019,"line":3063},[3017,6663,6664],{"class":3551},"            mySqlOptions",[3017,6666,3556],{"class":3555},[3017,6668,3646],{"class":3564},[3017,6670,3612],{"class":3555},[3017,6672,3660],{"class":3659},[3017,6674,3307],{"class":3555},[3017,6676,3673],{"class":3551},[3017,6678,3556],{"class":3555},[3017,6680,3678],{"class":3564},[3017,6682,3612],{"class":3555},[3017,6684,3683],{"class":3659},[3017,6686,5511],{"class":3555},[3017,6688,3696],{"class":3695},[3017,6690,3699],{"class":3555},[3017,6692,6693],{"class":3019,"line":3069},[3017,6694,3759],{"class":3555},[3529,6696,6698],{"id":6697},"специфіка-mysqlmariadb","Специфіка MySQL/MariaDB",[2965,6700,6701],{},[2984,6702,6703],{},"Case-insensitive collation за замовчуванням",[2965,6705,6706,6707,6710,6711,3320,6714,6717],{},"MySQL за замовчуванням використовує ",[2969,6708,6709],{},"utf8mb4_general_ci"," (case-insensitive) collation. Це означає, що ",[2969,6712,6713],{},"WHERE Name = 'Іван'",[2969,6715,6716],{},"WHERE Name = 'іван'"," — еквівалентні запити. У PostgreSQL і SQL Server порівняння є case-sensitive за замовчуванням. Будьте обережні при міграції між СУБД.",[2965,6719,6720],{},[2984,6721,6722],{},"Відсутність повноцінного FULL OUTER JOIN",[2965,6724,6725,6726,6729,6730,6733],{},"MySQL не підтримує ",[2969,6727,6728],{},"FULL OUTER JOIN"," нативно (MariaDB підтримує). EF Core може спробувати емулювати його через ",[2969,6731,6732],{},"UNION",", але результат не завжди оптимальний.",[2965,6735,6736],{},[2984,6737,6738],{},"GUID як CHAR(36)",[2965,6740,6741,6742,6744,6745,6748,6749,6751,6752,6754,6755,6757,6758,3556],{},"MySQL не має нативного UUID-типу. EF Core зберігає ",[2969,6743,3289],{}," як ",[2969,6746,6747],{},"CHAR(36)"," (рядок), що є менш ефективним, ніж ",[2969,6750,3296],{}," у SQL Server або ",[2969,6753,3293],{}," у PostgreSQL. Для PostgreSQL можна використовувати нативний ",[2969,6756,3293],{},"-тип і генерацію через ",[2969,6759,6760],{},"gen_random_uuid()",[2992,6762],{},[2960,6764,6766],{"id":6765},"inmemory-провайдер-для-тестів-і-чому-ним-не-варто-зловживати","InMemory: провайдер для тестів (і чому ним не варто зловживати)",[2965,6768,6769,6771],{},[2969,6770,3470],{}," — провайдер, що зберігає всі дані у словниках в пам'яті (Dictionary). Він не виконує жодного SQL — навіть не генерує його. Це був популярний вибір для юніт-тестів у ранніх версіях EF Core.",[3009,6773,6775],{"className":3535,"code":6774,"language":3538,"meta":3013,"style":3013},"// NuGet: Microsoft.EntityFrameworkCore.InMemory\nvar options = new DbContextOptionsBuilder\u003CAppDbContext>()\n    .UseInMemoryDatabase(\"TestDatabase\")\n    .Options;\n",[2969,6776,6777,6782,6800,6814],{"__ignoreMap":3013},[3017,6778,6779],{"class":3019,"line":3020},[3017,6780,6781],{"class":3545},"// NuGet: Microsoft.EntityFrameworkCore.InMemory\n",[3017,6783,6784,6786,6788,6790,6792,6794,6796,6798],{"class":3019,"line":3026},[3017,6785,3939],{"class":3695},[3017,6787,6401],{"class":3551},[3017,6789,3945],{"class":3555},[3017,6791,4130],{"class":3695},[3017,6793,6408],{"class":3571},[3017,6795,3568],{"class":3555},[3017,6797,3572],{"class":3571},[3017,6799,4279],{"class":3555},[3017,6801,6802,6804,6807,6809,6812],{"class":3019,"line":3032},[3017,6803,3961],{"class":3555},[3017,6805,6806],{"class":3564},"UseInMemoryDatabase",[3017,6808,3612],{"class":3555},[3017,6810,6811],{"class":3615},"\"TestDatabase\"",[3017,6813,4233],{"class":3555},[3017,6815,6816,6818,6820],{"class":3019,"line":3038},[3017,6817,3961],{"class":3555},[3017,6819,6435],{"class":3551},[3017,6821,3861],{"class":3555},[2965,6823,6824,6825,6828],{},"Але є серйозні проблеми, через які команда EF Core ",[2984,6826,6827],{},"не рекомендує"," InMemory для тестування:",[6830,6831,6832],"caution",{},"InMemory-провайдер не є реальною реляційною базою даних. Він не перевіряє Foreign Key constraints, не підтримує транзакції, не обробляє SQL (включаючи raw SQL запити), не емулює bagато SQL-поведінок. Тести, що пройшли з InMemory, можуть провалитись на реальній базі через ці різниці.",[2965,6834,6835],{},"Конкретні приклади проблем:",[3009,6837,6839],{"className":3535,"code":6838,"language":3538,"meta":3013,"style":3013},"// Зовнішні ключі НЕ перевіряються InMemory!\nvar orphanBook = new Book { AuthorId = 9999 }; // Такого автора немає\ncontext.Books.Add(orphanBook);\nawait context.SaveChangesAsync(); // Успіх! InMemory не перевіряє FK\n// З реальною базою: FK violation exception\n\n// Cascade delete НЕ виконується InMemory\ncontext.Authors.Remove(author); // не видалить книги автора автоматично\nawait context.SaveChangesAsync();\n// Книги залишаться (з недійсним FK)\n",[2969,6840,6841,6846,6876,6897,6914,6919,6923,6928,6952,6964],{"__ignoreMap":3013},[3017,6842,6843],{"class":3019,"line":3020},[3017,6844,6845],{"class":3545},"// Зовнішні ключі НЕ перевіряються InMemory!\n",[3017,6847,6848,6850,6853,6855,6857,6860,6862,6865,6867,6870,6873],{"class":3019,"line":3026},[3017,6849,3939],{"class":3695},[3017,6851,6852],{"class":3551}," orphanBook",[3017,6854,3945],{"class":3555},[3017,6856,4130],{"class":3695},[3017,6858,6859],{"class":3571}," Book",[3017,6861,3817],{"class":3555},[3017,6863,6864],{"class":3551},"AuthorId",[3017,6866,3945],{"class":3555},[3017,6868,6869],{"class":3659},"9999",[3017,6871,6872],{"class":3555}," }; ",[3017,6874,6875],{"class":3545},"// Такого автора немає\n",[3017,6877,6878,6880,6882,6885,6887,6890,6892,6895],{"class":3019,"line":3032},[3017,6879,6208],{"class":3551},[3017,6881,3556],{"class":3555},[3017,6883,6884],{"class":3551},"Books",[3017,6886,3556],{"class":3555},[3017,6888,6889],{"class":3564},"Add",[3017,6891,3612],{"class":3555},[3017,6893,6894],{"class":3551},"orphanBook",[3017,6896,3699],{"class":3555},[3017,6898,6899,6901,6903,6905,6908,6911],{"class":3019,"line":3038},[3017,6900,3948],{"class":3695},[3017,6902,3951],{"class":3551},[3017,6904,3556],{"class":3555},[3017,6906,6907],{"class":3564},"SaveChangesAsync",[3017,6909,6910],{"class":3555},"(); ",[3017,6912,6913],{"class":3545},"// Успіх! InMemory не перевіряє FK\n",[3017,6915,6916],{"class":3019,"line":3044},[3017,6917,6918],{"class":3545},"// З реальною базою: FK violation exception\n",[3017,6920,6921],{"class":3019,"line":3051},[3017,6922,3048],{"emptyLinePlaceholder":3047},[3017,6924,6925],{"class":3019,"line":3057},[3017,6926,6927],{"class":3545},"// Cascade delete НЕ виконується InMemory\n",[3017,6929,6930,6932,6934,6937,6939,6942,6944,6947,6949],{"class":3019,"line":3063},[3017,6931,6208],{"class":3551},[3017,6933,3556],{"class":3555},[3017,6935,6936],{"class":3551},"Authors",[3017,6938,3556],{"class":3555},[3017,6940,6941],{"class":3564},"Remove",[3017,6943,3612],{"class":3555},[3017,6945,6946],{"class":3551},"author",[3017,6948,4862],{"class":3555},[3017,6950,6951],{"class":3545},"// не видалить книги автора автоматично\n",[3017,6953,6954,6956,6958,6960,6962],{"class":3019,"line":3069},[3017,6955,3948],{"class":3695},[3017,6957,3951],{"class":3551},[3017,6959,3556],{"class":3555},[3017,6961,6907],{"class":3564},[3017,6963,4001],{"class":3555},[3017,6965,6966],{"class":3019,"line":3075},[3017,6967,6968],{"class":3545},"// Книги залишаться (з недійсним FK)\n",[2965,6970,6971],{},[2984,6972,6973],{},"Що використовувати замість InMemory:",[3494,6975,6976,6985],{},[3497,6977,6978,6981,6982,6984],{},[2984,6979,6980],{},"SQLite in-memory"," (",[2969,6983,5853],{},") — реальний SQL, реальні FK constraints, але в пам'яті",[3497,6986,6987,6990],{},[2984,6988,6989],{},"Testcontainers"," — запускає реальний Docker-контейнер PostgreSQL/MySQL/SQL Server для інтеграційних тестів",[3009,6992,6995],{"className":3535,"code":6993,"filename":6994,"language":3538,"meta":3013,"style":3013},"// Кращий варіант: SQLite in-memory\nvar connection = new SqliteConnection(\"Data Source=:memory:\");\nconnection.Open();\n\nvar options = new DbContextOptionsBuilder\u003CAppDbContext>()\n    .UseSqlite(connection)\n    .EnableSensitiveDataLogging()\n    .Options;\n\nusing var context = new AppDbContext(options);\nawait context.Database.EnsureCreatedAsync();\n\n// Тепер FK constraints, cascade delete, unique constraints — всі працюють\n","Tests/IntegrationTest.cs",[2969,6996,6997,7002,7021,7032,7036,7054,7066,7075,7083,7087,7110,7127,7131],{"__ignoreMap":3013},[3017,6998,6999],{"class":3019,"line":3020},[3017,7000,7001],{"class":3545},"// Кращий варіант: SQLite in-memory\n",[3017,7003,7004,7006,7009,7011,7013,7015,7017,7019],{"class":3019,"line":3026},[3017,7005,3939],{"class":3695},[3017,7007,7008],{"class":3551}," connection",[3017,7010,3945],{"class":3555},[3017,7012,4130],{"class":3695},[3017,7014,6314],{"class":3571},[3017,7016,3612],{"class":3555},[3017,7018,5990],{"class":3615},[3017,7020,3699],{"class":3555},[3017,7022,7023,7026,7028,7030],{"class":3019,"line":3032},[3017,7024,7025],{"class":3551},"connection",[3017,7027,3556],{"class":3555},[3017,7029,6387],{"class":3564},[3017,7031,4001],{"class":3555},[3017,7033,7034],{"class":3019,"line":3038},[3017,7035,3048],{"emptyLinePlaceholder":3047},[3017,7037,7038,7040,7042,7044,7046,7048,7050,7052],{"class":3019,"line":3044},[3017,7039,3939],{"class":3695},[3017,7041,6401],{"class":3551},[3017,7043,3945],{"class":3555},[3017,7045,4130],{"class":3695},[3017,7047,6408],{"class":3571},[3017,7049,3568],{"class":3555},[3017,7051,3572],{"class":3571},[3017,7053,4279],{"class":3555},[3017,7055,7056,7058,7060,7062,7064],{"class":3019,"line":3051},[3017,7057,3961],{"class":3555},[3017,7059,5910],{"class":3564},[3017,7061,3612],{"class":3555},[3017,7063,7025],{"class":3551},[3017,7065,4233],{"class":3555},[3017,7067,7068,7070,7073],{"class":3019,"line":3057},[3017,7069,3961],{"class":3555},[3017,7071,7072],{"class":3564},"EnableSensitiveDataLogging",[3017,7074,5321],{"class":3555},[3017,7076,7077,7079,7081],{"class":3019,"line":3063},[3017,7078,3961],{"class":3555},[3017,7080,6435],{"class":3551},[3017,7082,3861],{"class":3555},[3017,7084,7085],{"class":3019,"line":3069},[3017,7086,3048],{"emptyLinePlaceholder":3047},[3017,7088,7089,7093,7096,7098,7100,7102,7104,7106,7108],{"class":3019,"line":3075},[3017,7090,7092],{"class":7091},"sCDza","using",[3017,7094,7095],{"class":3695}," var",[3017,7097,3951],{"class":3551},[3017,7099,3945],{"class":3555},[3017,7101,4130],{"class":3695},[3017,7103,6326],{"class":3571},[3017,7105,3612],{"class":3555},[3017,7107,6457],{"class":3551},[3017,7109,3699],{"class":3555},[3017,7111,7112,7114,7116,7118,7120,7122,7125],{"class":3019,"line":3081},[3017,7113,3948],{"class":3695},[3017,7115,3951],{"class":3551},[3017,7117,3556],{"class":3555},[3017,7119,6213],{"class":3551},[3017,7121,3556],{"class":3555},[3017,7123,7124],{"class":3564},"EnsureCreatedAsync",[3017,7126,4001],{"class":3555},[3017,7128,7129],{"class":3019,"line":3086},[3017,7130,3048],{"emptyLinePlaceholder":3047},[3017,7132,7133],{"class":3019,"line":3091},[3017,7134,7135],{"class":3545},"// Тепер FK constraints, cascade delete, unique constraints — всі працюють\n",[2992,7137],{},[2960,7139,7141],{"id":7140},"cosmos-db-ef-core-у-nosql-світі","Cosmos DB: EF Core у NoSQL-світі",[2965,7143,7144,7146],{},[2969,7145,3455],{}," — провайдер для Azure Cosmos DB. Це особливий випадок: Cosmos DB є NoSQL-базою (document store), і EF Core намагається надати звичний LINQ-інтерфейс поверх неї.",[3009,7148,7150],{"className":3535,"code":7149,"language":3538,"meta":3013,"style":3013},"builder.Services.AddDbContext\u003CCosmosContext>(opts =>\n    opts.UseCosmos(\n        accountEndpoint: \"https://myaccount.documents.azure.com:443/\",\n        accountKey: \"myKey\",\n        databaseName: \"MyDatabase\"));\n",[2969,7151,7152,7175,7186,7198,7210],{"__ignoreMap":3013},[3017,7153,7154,7156,7158,7160,7162,7164,7166,7169,7171,7173],{"class":3019,"line":3020},[3017,7155,3552],{"class":3551},[3017,7157,3556],{"class":3555},[3017,7159,3559],{"class":3551},[3017,7161,3556],{"class":3555},[3017,7163,3565],{"class":3564},[3017,7165,3568],{"class":3555},[3017,7167,7168],{"class":3571},"CosmosContext",[3017,7170,3575],{"class":3555},[3017,7172,3578],{"class":3551},[3017,7174,3581],{"class":3555},[3017,7176,7177,7179,7181,7184],{"class":3019,"line":3026},[3017,7178,3586],{"class":3551},[3017,7180,3556],{"class":3555},[3017,7182,7183],{"class":3564},"UseCosmos",[3017,7185,3594],{"class":3555},[3017,7187,7188,7191,7193,7196],{"class":3019,"line":3032},[3017,7189,7190],{"class":3551},"        accountEndpoint",[3017,7192,3656],{"class":3555},[3017,7194,7195],{"class":3615},"\"https://myaccount.documents.azure.com:443/\"",[3017,7197,3663],{"class":3555},[3017,7199,7200,7203,7205,7208],{"class":3019,"line":3038},[3017,7201,7202],{"class":3551},"        accountKey",[3017,7204,3656],{"class":3555},[3017,7206,7207],{"class":3615},"\"myKey\"",[3017,7209,3663],{"class":3555},[3017,7211,7212,7215,7217,7220],{"class":3019,"line":3044},[3017,7213,7214],{"class":3551},"        databaseName",[3017,7216,3656],{"class":3555},[3017,7218,7219],{"class":3615},"\"MyDatabase\"",[3017,7221,4913],{"class":3555},[2965,7223,7224],{},"Важливо розуміти принципові відмінності Cosmos DB провайдера:",[3494,7226,7227,7230,7233,7239],{},[3497,7228,7229],{},"Немає JOIN між «таблицями» (контейнерами) — Cosmos DB не підтримує JOIN",[3497,7231,7232],{},"Немає міграцій у звичному сенсі — схема в Cosmos DB гнучка",[3497,7234,7235,7238],{},[2969,7236,7237],{},"GroupBy"," і деякі агрегатні функції не підтримуються або транслюються по-іншому",[3497,7240,7241,7244],{},[2969,7242,7243],{},"PartitionKey"," є обов'язковою концепцією — потрібно явно налаштувати",[2965,7246,7247],{},"Cosmos DB EF Core провайдер корисний переважно для Azure-проєктів, де вже є доступ до Cosmos DB як сервісу, і команда хоче знайому LINQ-модель для простих сценаріїв.",[2992,7249],{},[2960,7251,7253],{"id":7252},"порівняння-провайдерів-матриця-вибору","Порівняння провайдерів: матриця вибору",[7255,7256,7257,7477,7653],"tabs",{},[7258,7259,7261],"tabs-item",{"label":7260},"Типи даних",[3342,7262,7263,7278],{},[3345,7264,7265],{},[3348,7266,7267,7270,7272,7274,7276],{},[3351,7268,7269],{},"Тип",[3351,7271,3371],{},[3351,7273,3402],{},[3351,7275,3387],{},[3351,7277,3418],{},[3364,7279,7280,7304,7328,7356,7380,7402,7426,7452],{},[3348,7281,7282,7286,7291,7295,7299],{},[3369,7283,7284],{},[2969,7285,3853],{},[3369,7287,7288],{},[2969,7289,7290],{},"nvarchar",[3369,7292,7293],{},[2969,7294,3765],{},[3369,7296,7297],{},[2969,7298,4023],{},[3369,7300,7301],{},[2969,7302,7303],{},"longtext",[3348,7305,7306,7311,7315,7320,7324],{},[3369,7307,7308],{},[2969,7309,7310],{},"int",[3369,7312,7313],{},[2969,7314,7310],{},[3369,7316,7317],{},[2969,7318,7319],{},"integer",[3369,7321,7322],{},[2969,7323,6266],{},[3369,7325,7326],{},[2969,7327,7310],{},[3348,7329,7330,7334,7338,7343,7351],{},[3369,7331,7332],{},[2969,7333,3277],{},[3369,7335,7336],{},[2969,7337,5720],{},[3369,7339,7340],{},[2969,7341,7342],{},"numeric(18,2)",[3369,7344,7345,7347,7348],{},[2969,7346,4023],{},"/",[2969,7349,7350],{},"REAL",[3369,7352,7353],{},[2969,7354,7355],{},"decimal(65,30)",[3348,7357,7358,7362,7366,7371,7375],{},[3369,7359,7360],{},[2969,7361,4413],{},[3369,7363,7364],{},[2969,7365,5744],{},[3369,7367,7368],{},[2969,7369,7370],{},"timestamp",[3369,7372,7373],{},[2969,7374,4023],{},[3369,7376,7377],{},[2969,7378,7379],{},"datetime(6)",[3348,7381,7382,7386,7390,7394,7398],{},[3369,7383,7384],{},[2969,7385,5755],{},[3369,7387,7388],{},[2969,7389,5761],{},[3369,7391,7392],{},[2969,7393,5761],{},[3369,7395,7396],{},[2969,7397,4023],{},[3369,7399,7400],{},[2969,7401,5761],{},[3348,7403,7404,7408,7412,7417,7421],{},[3369,7405,7406],{},[2969,7407,3289],{},[3369,7409,7410],{},[2969,7411,5790],{},[3369,7413,7414],{},[2969,7415,7416],{},"uuid",[3369,7418,7419],{},[2969,7420,4023],{},[3369,7422,7423],{},[2969,7424,7425],{},"char(36)",[3348,7427,7428,7433,7438,7443,7447],{},[3369,7429,7430],{},[2969,7431,7432],{},"bool",[3369,7434,7435],{},[2969,7436,7437],{},"bit",[3369,7439,7440],{},[2969,7441,7442],{},"boolean",[3369,7444,7445],{},[2969,7446,6266],{},[3369,7448,7449],{},[2969,7450,7451],{},"tinyint(1)",[3348,7453,7454,7458,7462,7467,7472],{},[3369,7455,7456],{},[2969,7457,5800],{},[3369,7459,7460],{},[2969,7461,5805],{},[3369,7463,7464],{},[2969,7465,7466],{},"bytea",[3369,7468,7469],{},[2969,7470,7471],{},"BLOB",[3369,7473,7474],{},[2969,7475,7476],{},"longblob",[7258,7478,7480],{"label":7479},"Можливості",[3342,7481,7482,7497],{},[3345,7483,7484],{},[3348,7485,7486,7489,7491,7493,7495],{},[3351,7487,7488],{},"Можливість",[3351,7490,3371],{},[3351,7492,3402],{},[3351,7494,3387],{},[3351,7496,3418],{},[3364,7498,7499,7514,7527,7540,7553,7568,7581,7598,7611,7624,7639],{},[3348,7500,7501,7504,7507,7510,7512],{},[3369,7502,7503],{},"Array columns",[3369,7505,7506],{},"❌",[3369,7508,7509],{},"✅",[3369,7511,7506],{},[3369,7513,7506],{},[3348,7515,7516,7518,7520,7522,7524],{},[3369,7517,4019],{},[3369,7519,7506],{},[3369,7521,7509],{},[3369,7523,7506],{},[3369,7525,7526],{},"JSON ✅",[3348,7528,7529,7532,7534,7536,7538],{},[3369,7530,7531],{},"Full-text search",[3369,7533,7509],{},[3369,7535,7509],{},[3369,7537,7506],{},[3369,7539,7509],{},[3348,7541,7542,7545,7547,7549,7551],{},[3369,7543,7544],{},"Temporal Tables",[3369,7546,7509],{},[3369,7548,7506],{},[3369,7550,7506],{},[3369,7552,7506],{},[3348,7554,7555,7558,7560,7562,7565],{},[3369,7556,7557],{},"Window Functions",[3369,7559,7509],{},[3369,7561,7509],{},[3369,7563,7564],{},"✅ 3.25+",[3369,7566,7567],{},"✅ 8.0+",[3348,7569,7570,7573,7575,7577,7579],{},[3369,7571,7572],{},"CTEs (WITH)",[3369,7574,7509],{},[3369,7576,7509],{},[3369,7578,7509],{},[3369,7580,7567],{},[3348,7582,7583,7586,7589,7592,7595],{},[3369,7584,7585],{},"UPSERT",[3369,7587,7588],{},"MERGE",[3369,7590,7591],{},"ON CONFLICT",[3369,7593,7594],{},"INSERT OR REPLACE",[3369,7596,7597],{},"ON DUPLICATE KEY",[3348,7599,7600,7603,7605,7607,7609],{},[3369,7601,7602],{},"Sequences",[3369,7604,7509],{},[3369,7606,7509],{},[3369,7608,7506],{},[3369,7610,7506],{},[3348,7612,7613,7616,7618,7620,7622],{},[3369,7614,7615],{},"HiLo strategy",[3369,7617,7509],{},[3369,7619,7509],{},[3369,7621,7506],{},[3369,7623,7506],{},[3348,7625,7626,7629,7632,7634,7637],{},[3369,7627,7628],{},"Concurrent writes",[3369,7630,7631],{},"✅ (висока)",[3369,7633,7631],{},[3369,7635,7636],{},"⚠️ (мала)",[3369,7638,7631],{},[3348,7640,7641,7644,7647,7649,7651],{},[3369,7642,7643],{},"Free / OS",[3369,7645,7646],{},"❌ (ліцензія)",[3369,7648,7509],{},[3369,7650,7509],{},[3369,7652,7509],{},[7258,7654,7656,7661,7678,7683,7697,7702,7716,7721],{"label":7655},"Коли обирати",[2965,7657,7658],{},[2984,7659,7660],{},"Обирайте PostgreSQL, якщо:",[3494,7662,7663,7666,7669,7672,7675],{},[3497,7664,7665],{},"Нова розробка без обмежень стеку",[3497,7667,7668],{},"Потрібні масиви, JSONB, повнотекстовий пошук, range-типи",[3497,7670,7671],{},"Важлива відкритість і відсутність ліцензійних витрат",[3497,7673,7674],{},"Розгортання на Linux (AWS RDS, GCP Cloud SQL, Supabase, Neon)",[3497,7676,7677],{},"Команда цінує ACID-транзакції та складні аналітичні можливості",[2965,7679,7680],{},[2984,7681,7682],{},"Обирайте SQL Server, якщо:",[3494,7684,7685,7688,7691,7694],{},[3497,7686,7687],{},"Корпоративне .NET-середовище з Azure або Windows-інфраструктурою",[3497,7689,7690],{},"Потрібні Temporal Tables або специфічний enterprise-функціонал",[3497,7692,7693],{},"Є ліцензії або MSDN-підписка",[3497,7695,7696],{},"Інтеграція з іншими Microsoft-продуктами (SSRS, SSIS, Azure Synapse)",[2965,7698,7699],{},[2984,7700,7701],{},"Обирайте SQLite, якщо:",[3494,7703,7704,7707,7710,7713],{},[3497,7705,7706],{},"Локальна розробка і швидкий старт",[3497,7708,7709],{},"Desktop/MAUI/Blazor WebAssembly застосунки",[3497,7711,7712],{},"IoT та вбудовані системи",[3497,7714,7715],{},"Юніт і інтеграційні тести (in-memory mode)",[2965,7717,7718],{},[2984,7719,7720],{},"Обирайте MySQL/MariaDB, якщо:",[3494,7722,7723,7726,7729],{},[3497,7724,7725],{},"Існуючий платформований стек (LAMP/LEMP) з MySQL",[3497,7727,7728],{},"MariaDB як MySQL-сумісна СУБД з відкритим кодом",[3497,7730,7731],{},"Дешевий shared-хостинг зі стандартним cPanel (де MySQL вже є)",[2992,7733],{},[2960,7735,7737],{"id":7736},"конфігурація-провайдера-в-деталях-usenpgsql-та-інші-extension-methods","Конфігурація провайдера в деталях: UseNpgsql та інші extension methods",[2965,7739,7740,7741,7743],{},"Кожен провайдер надає extension method до ",[2969,7742,6140],{},", що приймає як connection string, так і лямбду для додаткових опцій:",[3009,7745,7747],{"className":3535,"code":7746,"filename":3537,"language":3538,"meta":3013,"style":3013},"builder.Services.AddDbContext\u003CAppDbContext>(opts =>\n{\n    opts.UseNpgsql(connectionString, npgsql =>\n    {\n        // --- Retry policy ---\n        npgsql.EnableRetryOnFailure(\n            maxRetryCount: 5,\n            maxRetryDelay: TimeSpan.FromSeconds(30),\n            errorCodesToAdd: null); // додаткові Postgres error codes для retry\n\n        // --- Версія сервера (впливає на генерований SQL) ---\n        npgsql.SetPostgresVersion(16, 0);\n\n        // --- Command timeout (секунди) ---\n        npgsql.CommandTimeout(120);\n\n        // --- Migration history table ---\n        npgsql.MigrationsHistoryTable(\"__EFMigrationsHistory\", schema: \"public\");\n\n        // --- Схема за замовчуванням для нових таблиць ---\n        opts.UseNpgsql(connectionString); // .HasDefaultSchema() через ModelBuilder\n    });\n\n    // --- Загальні опції (не провайдерно-специфічні) ---\n    opts.EnableDetailedErrors();         // детальніші повідомлення про помилки\n    opts.EnableSensitiveDataLogging();   // показ значень параметрів (тільки dev!)\n    opts.LogTo(Console.WriteLine, LogLevel.Information);\n});\n",[2969,7748,7749,7771,7775,7794,7798,7803,7814,7825,7844,7858,7862,7867,7885,7889,7894,7909,7913,7918,7944,7948,7953,7971,7976,7980,7985,8000,8014,8045],{"__ignoreMap":3013},[3017,7750,7751,7753,7755,7757,7759,7761,7763,7765,7767,7769],{"class":3019,"line":3020},[3017,7752,3552],{"class":3551},[3017,7754,3556],{"class":3555},[3017,7756,3559],{"class":3551},[3017,7758,3556],{"class":3555},[3017,7760,3565],{"class":3564},[3017,7762,3568],{"class":3555},[3017,7764,3572],{"class":3571},[3017,7766,3575],{"class":3555},[3017,7768,3578],{"class":3551},[3017,7770,3581],{"class":3555},[3017,7772,7773],{"class":3019,"line":3026},[3017,7774,3803],{"class":3555},[3017,7776,7777,7779,7781,7783,7785,7787,7789,7792],{"class":3019,"line":3032},[3017,7778,3586],{"class":3551},[3017,7780,3556],{"class":3555},[3017,7782,3591],{"class":3564},[3017,7784,3612],{"class":3555},[3017,7786,4890],{"class":3551},[3017,7788,3307],{"class":3555},[3017,7790,7791],{"class":3551},"npgsql",[3017,7793,3581],{"class":3555},[3017,7795,7796],{"class":3019,"line":3038},[3017,7797,5158],{"class":3555},[3017,7799,7800],{"class":3019,"line":3044},[3017,7801,7802],{"class":3545},"        // --- Retry policy ---\n",[3017,7804,7805,7808,7810,7812],{"class":3019,"line":3051},[3017,7806,7807],{"class":3551},"        npgsql",[3017,7809,3556],{"class":3555},[3017,7811,3646],{"class":3564},[3017,7813,3594],{"class":3555},[3017,7815,7816,7819,7821,7823],{"class":3019,"line":3057},[3017,7817,7818],{"class":3551},"            maxRetryCount",[3017,7820,3656],{"class":3555},[3017,7822,3660],{"class":3659},[3017,7824,3663],{"class":3555},[3017,7826,7827,7830,7832,7834,7836,7838,7840,7842],{"class":3019,"line":3063},[3017,7828,7829],{"class":3551},"            maxRetryDelay",[3017,7831,3656],{"class":3555},[3017,7833,3673],{"class":3551},[3017,7835,3556],{"class":3555},[3017,7837,3678],{"class":3564},[3017,7839,3612],{"class":3555},[3017,7841,3683],{"class":3659},[3017,7843,3619],{"class":3555},[3017,7845,7846,7849,7851,7853,7855],{"class":3019,"line":3069},[3017,7847,7848],{"class":3551},"            errorCodesToAdd",[3017,7850,3656],{"class":3555},[3017,7852,3696],{"class":3695},[3017,7854,4862],{"class":3555},[3017,7856,7857],{"class":3545},"// додаткові Postgres error codes для retry\n",[3017,7859,7860],{"class":3019,"line":3075},[3017,7861,3048],{"emptyLinePlaceholder":3047},[3017,7863,7864],{"class":3019,"line":3081},[3017,7865,7866],{"class":3545},"        // --- Версія сервера (впливає на генерований SQL) ---\n",[3017,7868,7869,7871,7873,7875,7877,7879,7881,7883],{"class":3019,"line":3086},[3017,7870,7807],{"class":3551},[3017,7872,3556],{"class":3555},[3017,7874,3717],{"class":3564},[3017,7876,3612],{"class":3555},[3017,7878,3722],{"class":3659},[3017,7880,3307],{"class":3555},[3017,7882,3727],{"class":3659},[3017,7884,3699],{"class":3555},[3017,7886,7887],{"class":3019,"line":3091},[3017,7888,3048],{"emptyLinePlaceholder":3047},[3017,7890,7891],{"class":3019,"line":3097},[3017,7892,7893],{"class":3545},"        // --- Command timeout (секунди) ---\n",[3017,7895,7896,7898,7900,7902,7904,7907],{"class":3019,"line":3103},[3017,7897,7807],{"class":3551},[3017,7899,3556],{"class":3555},[3017,7901,3747],{"class":3564},[3017,7903,3612],{"class":3555},[3017,7905,7906],{"class":3659},"120",[3017,7908,3699],{"class":3555},[3017,7910,7911],{"class":3019,"line":3109},[3017,7912,3048],{"emptyLinePlaceholder":3047},[3017,7914,7915],{"class":3019,"line":3115},[3017,7916,7917],{"class":3545},"        // --- Migration history table ---\n",[3017,7919,7920,7922,7924,7927,7929,7932,7934,7937,7939,7942],{"class":3019,"line":3121},[3017,7921,7807],{"class":3551},[3017,7923,3556],{"class":3555},[3017,7925,7926],{"class":3564},"MigrationsHistoryTable",[3017,7928,3612],{"class":3555},[3017,7930,7931],{"class":3615},"\"__EFMigrationsHistory\"",[3017,7933,3307],{"class":3555},[3017,7935,7936],{"class":3551},"schema",[3017,7938,3656],{"class":3555},[3017,7940,7941],{"class":3615},"\"public\"",[3017,7943,3699],{"class":3555},[3017,7945,7946],{"class":3019,"line":3126},[3017,7947,3048],{"emptyLinePlaceholder":3047},[3017,7949,7950],{"class":3019,"line":3131},[3017,7951,7952],{"class":3545},"        // --- Схема за замовчуванням для нових таблиць ---\n",[3017,7954,7955,7958,7960,7962,7964,7966,7968],{"class":3019,"line":3137},[3017,7956,7957],{"class":3551},"        opts",[3017,7959,3556],{"class":3555},[3017,7961,3591],{"class":3564},[3017,7963,3612],{"class":3555},[3017,7965,4890],{"class":3551},[3017,7967,4862],{"class":3555},[3017,7969,7970],{"class":3545},"// .HasDefaultSchema() через ModelBuilder\n",[3017,7972,7973],{"class":3019,"line":3143},[3017,7974,7975],{"class":3555},"    });\n",[3017,7977,7978],{"class":3019,"line":3149},[3017,7979,3048],{"emptyLinePlaceholder":3047},[3017,7981,7982],{"class":3019,"line":3155},[3017,7983,7984],{"class":3545},"    // --- Загальні опції (не провайдерно-специфічні) ---\n",[3017,7986,7987,7989,7991,7994,7997],{"class":3019,"line":3161},[3017,7988,3586],{"class":3551},[3017,7990,3556],{"class":3555},[3017,7992,7993],{"class":3564},"EnableDetailedErrors",[3017,7995,7996],{"class":3555},"();         ",[3017,7998,7999],{"class":3545},"// детальніші повідомлення про помилки\n",[3017,8001,8002,8004,8006,8008,8011],{"class":3019,"line":3166},[3017,8003,3586],{"class":3551},[3017,8005,3556],{"class":3555},[3017,8007,7072],{"class":3564},[3017,8009,8010],{"class":3555},"();   ",[3017,8012,8013],{"class":3545},"// показ значень параметрів (тільки dev!)\n",[3017,8015,8016,8018,8020,8023,8025,8028,8030,8033,8035,8038,8040,8043],{"class":3019,"line":3171},[3017,8017,3586],{"class":3551},[3017,8019,3556],{"class":3555},[3017,8021,8022],{"class":3564},"LogTo",[3017,8024,3612],{"class":3555},[3017,8026,8027],{"class":3551},"Console",[3017,8029,3556],{"class":3555},[3017,8031,8032],{"class":3551},"WriteLine",[3017,8034,3307],{"class":3555},[3017,8036,8037],{"class":3551},"LogLevel",[3017,8039,3556],{"class":3555},[3017,8041,8042],{"class":3551},"Information",[3017,8044,3699],{"class":3555},[3017,8046,8047],{"class":3019,"line":3177},[3017,8048,8049],{"class":3555},"});\n",[3529,8051,8053],{"id":8052},"версія-сервера-чому-вона-важлива","Версія сервера: чому вона важлива",[2965,8055,8056,8059],{},[2969,8057,8058],{},"SetPostgresVersion(16, 0)"," — це підказка EF Core, яку версію PostgreSQL ви використовуєте. Від цього залежить, якими SQL-конструкціями скористається провайдер:",[3494,8061,8062,8069,8072,8077,8080],{},[3497,8063,8064,8065,8068],{},"PostgreSQL 9.5+ — ",[2969,8066,8067],{},"ON CONFLICT DO NOTHING"," (UPSERT)",[3497,8070,8071],{},"PostgreSQL 12+ — generated columns",[3497,8073,8074,8075],{},"PostgreSQL 13+ — ",[2969,8076,6760],{},[3497,8078,8079],{},"PostgreSQL 14+ — multirange types",[3497,8081,8082,8083],{},"PostgreSQL 15+ — ",[2969,8084,7588],{},[2965,8086,8087],{},"Якщо не вказати версію — провайдер використовує консервативний мінімум, що може означати менш ефективний SQL.",[2992,8089],{},[2960,8091,8093],{"id":8092},"provider-specific-конфігурація-через-modelbuilder","Provider-specific конфігурація через ModelBuilder",[2965,8095,8096,8097,4508],{},"Деякі можливості провайдерів налаштовуються через ",[2969,8098,8099],{},"OnModelCreating",[3009,8101,8103],{"className":3535,"code":8102,"language":3538,"meta":3013,"style":3013},"protected override void OnModelCreating(ModelBuilder modelBuilder)\n{\n    // === PostgreSQL-специфічно ===\n\n    // Реєстрація PostgreSQL enum-типів\n    modelBuilder.HasPostgresEnum\u003COrderStatus>(\"order_status\");\n    modelBuilder.HasPostgresEnum\u003CUserRole>(\"user_role\");\n\n    // PostgreSQL Extensions (у міграціях створиться CREATE EXTENSION)\n    modelBuilder.HasPostgresExtension(\"uuid-ossp\");\n    modelBuilder.HasPostgresExtension(\"pg_trgm\"); // для fuzzy search\n\n    // Схема за замовчуванням\n    modelBuilder.HasDefaultSchema(\"catalog\");\n\n    // === SQL Server-специфічно ===\n\n    // UseHiLo для всіх int-ключів відразу\n    modelBuilder.UseHiLo();\n\n    // Або для конкретної entity\n    modelBuilder.Entity\u003COrder>()\n        .Property(o => o.Id)\n        .UseHiLo(\"OrderSequence\");\n\n    // === Загальне (але з provider-специфічними наслідками) ===\n\n    // Sequence\n    modelBuilder.HasSequence\u003Cint>(\"InvoiceNumberSeq\")\n        .StartsAt(1000)\n        .IncrementsBy(1);\n\n    modelBuilder.Entity\u003CInvoice>()\n        .Property(i => i.Number)\n        .HasDefaultValueSql(\"NEXT VALUE FOR \\\"InvoiceNumberSeq\\\"\"); // SQL Server\n        // або: .HasDefaultValueSql(\"nextval('\\\"InvoiceNumberSeq\\\"')\"); // PostgreSQL\n}\n",[2969,8104,8105,8123,8127,8132,8136,8141,8159,8179,8183,8188,8204,8222,8226,8231,8247,8251,8256,8260,8265,8275,8279,8284,8298,8318,8331,8335,8340,8344,8349,8369,8383,8396,8400,8415,8437,8465,8473],{"__ignoreMap":3013},[3017,8106,8107,8109,8111,8113,8115,8117,8119,8121],{"class":3019,"line":3020},[3017,8108,4213],{"class":3695},[3017,8110,4216],{"class":3695},[3017,8112,4219],{"class":3695},[3017,8114,4222],{"class":3564},[3017,8116,3612],{"class":3555},[3017,8118,4227],{"class":3571},[3017,8120,4230],{"class":3551},[3017,8122,4233],{"class":3555},[3017,8124,8125],{"class":3019,"line":3026},[3017,8126,3803],{"class":3555},[3017,8128,8129],{"class":3019,"line":3032},[3017,8130,8131],{"class":3545},"    // === PostgreSQL-специфічно ===\n",[3017,8133,8134],{"class":3019,"line":3038},[3017,8135,3048],{"emptyLinePlaceholder":3047},[3017,8137,8138],{"class":3019,"line":3044},[3017,8139,8140],{"class":3545},"    // Реєстрація PostgreSQL enum-типів\n",[3017,8142,8143,8145,8147,8149,8151,8153,8155,8157],{"class":3019,"line":3051},[3017,8144,4247],{"class":3551},[3017,8146,3556],{"class":3555},[3017,8148,4252],{"class":3564},[3017,8150,3568],{"class":3555},[3017,8152,4257],{"class":3571},[3017,8154,3575],{"class":3555},[3017,8156,4315],{"class":3615},[3017,8158,3699],{"class":3555},[3017,8160,8161,8163,8165,8167,8169,8172,8174,8177],{"class":3019,"line":3057},[3017,8162,4247],{"class":3551},[3017,8164,3556],{"class":3555},[3017,8166,4252],{"class":3564},[3017,8168,3568],{"class":3555},[3017,8170,8171],{"class":3571},"UserRole",[3017,8173,3575],{"class":3555},[3017,8175,8176],{"class":3615},"\"user_role\"",[3017,8178,3699],{"class":3555},[3017,8180,8181],{"class":3019,"line":3063},[3017,8182,3048],{"emptyLinePlaceholder":3047},[3017,8184,8185],{"class":3019,"line":3069},[3017,8186,8187],{"class":3545},"    // PostgreSQL Extensions (у міграціях створиться CREATE EXTENSION)\n",[3017,8189,8190,8192,8194,8197,8199,8202],{"class":3019,"line":3075},[3017,8191,4247],{"class":3551},[3017,8193,3556],{"class":3555},[3017,8195,8196],{"class":3564},"HasPostgresExtension",[3017,8198,3612],{"class":3555},[3017,8200,8201],{"class":3615},"\"uuid-ossp\"",[3017,8203,3699],{"class":3555},[3017,8205,8206,8208,8210,8212,8214,8217,8219],{"class":3019,"line":3081},[3017,8207,4247],{"class":3551},[3017,8209,3556],{"class":3555},[3017,8211,8196],{"class":3564},[3017,8213,3612],{"class":3555},[3017,8215,8216],{"class":3615},"\"pg_trgm\"",[3017,8218,4862],{"class":3555},[3017,8220,8221],{"class":3545},"// для fuzzy search\n",[3017,8223,8224],{"class":3019,"line":3086},[3017,8225,3048],{"emptyLinePlaceholder":3047},[3017,8227,8228],{"class":3019,"line":3091},[3017,8229,8230],{"class":3545},"    // Схема за замовчуванням\n",[3017,8232,8233,8235,8237,8240,8242,8245],{"class":3019,"line":3097},[3017,8234,4247],{"class":3551},[3017,8236,3556],{"class":3555},[3017,8238,8239],{"class":3564},"HasDefaultSchema",[3017,8241,3612],{"class":3555},[3017,8243,8244],{"class":3615},"\"catalog\"",[3017,8246,3699],{"class":3555},[3017,8248,8249],{"class":3019,"line":3103},[3017,8250,3048],{"emptyLinePlaceholder":3047},[3017,8252,8253],{"class":3019,"line":3109},[3017,8254,8255],{"class":3545},"    // === SQL Server-специфічно ===\n",[3017,8257,8258],{"class":3019,"line":3115},[3017,8259,3048],{"emptyLinePlaceholder":3047},[3017,8261,8262],{"class":3019,"line":3121},[3017,8263,8264],{"class":3545},"    // UseHiLo для всіх int-ключів відразу\n",[3017,8266,8267,8269,8271,8273],{"class":3019,"line":3126},[3017,8268,4247],{"class":3551},[3017,8270,3556],{"class":3555},[3017,8272,4905],{"class":3564},[3017,8274,4001],{"class":3555},[3017,8276,8277],{"class":3019,"line":3131},[3017,8278,3048],{"emptyLinePlaceholder":3047},[3017,8280,8281],{"class":3019,"line":3137},[3017,8282,8283],{"class":3545},"    // Або для конкретної entity\n",[3017,8285,8286,8288,8290,8292,8294,8296],{"class":3019,"line":3143},[3017,8287,4247],{"class":3551},[3017,8289,3556],{"class":3555},[3017,8291,4272],{"class":3564},[3017,8293,3568],{"class":3555},[3017,8295,2971],{"class":3571},[3017,8297,4279],{"class":3555},[3017,8299,8300,8302,8304,8306,8308,8310,8312,8314,8316],{"class":3019,"line":3149},[3017,8301,4284],{"class":3555},[3017,8303,4287],{"class":3564},[3017,8305,3612],{"class":3555},[3017,8307,4292],{"class":3551},[3017,8309,3972],{"class":3555},[3017,8311,4292],{"class":3551},[3017,8313,3556],{"class":3555},[3017,8315,4845],{"class":3551},[3017,8317,4233],{"class":3555},[3017,8319,8320,8322,8324,8326,8329],{"class":3019,"line":3155},[3017,8321,4284],{"class":3555},[3017,8323,4905],{"class":3564},[3017,8325,3612],{"class":3555},[3017,8327,8328],{"class":3615},"\"OrderSequence\"",[3017,8330,3699],{"class":3555},[3017,8332,8333],{"class":3019,"line":3161},[3017,8334,3048],{"emptyLinePlaceholder":3047},[3017,8336,8337],{"class":3019,"line":3166},[3017,8338,8339],{"class":3545},"    // === Загальне (але з provider-специфічними наслідками) ===\n",[3017,8341,8342],{"class":3019,"line":3171},[3017,8343,3048],{"emptyLinePlaceholder":3047},[3017,8345,8346],{"class":3019,"line":3177},[3017,8347,8348],{"class":3545},"    // Sequence\n",[3017,8350,8351,8353,8355,8358,8360,8362,8364,8367],{"class":3019,"line":3183},[3017,8352,4247],{"class":3551},[3017,8354,3556],{"class":3555},[3017,8356,8357],{"class":3564},"HasSequence",[3017,8359,3568],{"class":3555},[3017,8361,7310],{"class":3695},[3017,8363,3575],{"class":3555},[3017,8365,8366],{"class":3615},"\"InvoiceNumberSeq\"",[3017,8368,4233],{"class":3555},[3017,8370,8371,8373,8376,8378,8381],{"class":3019,"line":3189},[3017,8372,4284],{"class":3555},[3017,8374,8375],{"class":3564},"StartsAt",[3017,8377,3612],{"class":3555},[3017,8379,8380],{"class":3659},"1000",[3017,8382,4233],{"class":3555},[3017,8384,8385,8387,8390,8392,8394],{"class":3019,"line":3195},[3017,8386,4284],{"class":3555},[3017,8388,8389],{"class":3564},"IncrementsBy",[3017,8391,3612],{"class":3555},[3017,8393,5271],{"class":3659},[3017,8395,3699],{"class":3555},[3017,8397,8398],{"class":3019,"line":3201},[3017,8399,3048],{"emptyLinePlaceholder":3047},[3017,8401,8402,8404,8406,8408,8410,8413],{"class":3019,"line":3207},[3017,8403,4247],{"class":3551},[3017,8405,3556],{"class":3555},[3017,8407,4272],{"class":3564},[3017,8409,3568],{"class":3555},[3017,8411,8412],{"class":3571},"Invoice",[3017,8414,4279],{"class":3555},[3017,8416,8417,8419,8421,8423,8426,8428,8430,8432,8435],{"class":3019,"line":3213},[3017,8418,4284],{"class":3555},[3017,8420,4287],{"class":3564},[3017,8422,3612],{"class":3555},[3017,8424,8425],{"class":3551},"i",[3017,8427,3972],{"class":3555},[3017,8429,8425],{"class":3551},[3017,8431,3556],{"class":3555},[3017,8433,8434],{"class":3551},"Number",[3017,8436,4233],{"class":3555},[3017,8438,8439,8441,8443,8445,8448,8452,8455,8457,8460,8462],{"class":3019,"line":3218},[3017,8440,4284],{"class":3555},[3017,8442,4854],{"class":3564},[3017,8444,3612],{"class":3555},[3017,8446,8447],{"class":3615},"\"NEXT VALUE FOR ",[3017,8449,8451],{"class":8450},"sjcCO","\\\"",[3017,8453,8454],{"class":3615},"InvoiceNumberSeq",[3017,8456,8451],{"class":8450},[3017,8458,8459],{"class":3615},"\"",[3017,8461,4862],{"class":3555},[3017,8463,8464],{"class":3545},"// SQL Server\n",[3017,8466,8467,8470],{"class":3019,"line":3224},[3017,8468,8469],{"class":3545},"        // або: .HasDefaultValueSql(\"nextval('\\\"InvoiceNumberSeq\\\"')\");",[3017,8471,8472],{"class":3545}," // PostgreSQL\n",[3017,8474,8475],{"class":3019,"line":3230},[3017,8476,3925],{"class":3555},[2992,8478],{},[2960,8480,8482],{"id":8481},"відмінності-у-поведінці-між-провайдерами","Відмінності у поведінці між провайдерами",[2965,8484,8485],{},"Є кілька поведінкових відмінностей, про які треба знати при порівнянні або міграції між провайдерами:",[3529,8487,8489],{"id":8488},"like-чутливість-до-регістру","LIKE: чутливість до регістру",[3009,8491,8493],{"className":3535,"code":8492,"language":3538,"meta":3013,"style":3013},"// На SQL Server і PostgreSQL: case-sensitive (повертає тільки \"Іван\")\n// На MySQL з utf8_general_ci: case-insensitive (поверне \"іван\", \"ІВАН\", \"Іван\")\nvar authors = await context.Authors\n    .Where(a => EF.Functions.Like(a.Name, \"Іван%\"))\n    .ToListAsync();\n",[2969,8494,8495,8500,8505,8522,8560],{"__ignoreMap":3013},[3017,8496,8497],{"class":3019,"line":3020},[3017,8498,8499],{"class":3545},"// На SQL Server і PostgreSQL: case-sensitive (повертає тільки \"Іван\")\n",[3017,8501,8502],{"class":3019,"line":3026},[3017,8503,8504],{"class":3545},"// На MySQL з utf8_general_ci: case-insensitive (поверне \"іван\", \"ІВАН\", \"Іван\")\n",[3017,8506,8507,8509,8512,8514,8516,8518,8520],{"class":3019,"line":3032},[3017,8508,3939],{"class":3695},[3017,8510,8511],{"class":3551}," authors",[3017,8513,3945],{"class":3555},[3017,8515,3948],{"class":3695},[3017,8517,3951],{"class":3551},[3017,8519,3556],{"class":3555},[3017,8521,4664],{"class":3551},[3017,8523,8524,8526,8528,8530,8532,8534,8536,8538,8540,8542,8545,8547,8549,8551,8553,8555,8558],{"class":3019,"line":3038},[3017,8525,3961],{"class":3555},[3017,8527,3964],{"class":3564},[3017,8529,3612],{"class":3555},[3017,8531,3969],{"class":3551},[3017,8533,3972],{"class":3555},[3017,8535,4550],{"class":3551},[3017,8537,3556],{"class":3555},[3017,8539,4555],{"class":3551},[3017,8541,3556],{"class":3555},[3017,8543,8544],{"class":3564},"Like",[3017,8546,3612],{"class":3555},[3017,8548,3969],{"class":3551},[3017,8550,3556],{"class":3555},[3017,8552,4696],{"class":3551},[3017,8554,3307],{"class":3555},[3017,8556,8557],{"class":3615},"\"Іван%\"",[3017,8559,3991],{"class":3555},[3017,8561,8562,8564,8566],{"class":3019,"line":3044},[3017,8563,3961],{"class":3555},[3017,8565,3998],{"class":3564},[3017,8567,4001],{"class":3555},[2965,8569,8570,8573,8574,8577],{},[2984,8571,8572],{},"Рішення для PostgreSQL:"," використовуйте ",[2969,8575,8576],{},"EF.Functions.ILike"," (регістронезалежний LIKE без колаційних налаштувань):",[3009,8579,8581],{"className":3535,"code":8580,"language":3538,"meta":3013,"style":3013},"// PostgreSQL-специфічний ILIKE — завжди case-insensitive\nvar authors = await context.Authors\n    .Where(a => EF.Functions.ILike(a.Name, \"іван%\"))\n    .ToListAsync();\n",[2969,8582,8583,8588,8604,8641],{"__ignoreMap":3013},[3017,8584,8585],{"class":3019,"line":3020},[3017,8586,8587],{"class":3545},"// PostgreSQL-специфічний ILIKE — завжди case-insensitive\n",[3017,8589,8590,8592,8594,8596,8598,8600,8602],{"class":3019,"line":3026},[3017,8591,3939],{"class":3695},[3017,8593,8511],{"class":3551},[3017,8595,3945],{"class":3555},[3017,8597,3948],{"class":3695},[3017,8599,3951],{"class":3551},[3017,8601,3556],{"class":3555},[3017,8603,4664],{"class":3551},[3017,8605,8606,8608,8610,8612,8614,8616,8618,8620,8622,8624,8626,8628,8630,8632,8634,8636,8639],{"class":3019,"line":3032},[3017,8607,3961],{"class":3555},[3017,8609,3964],{"class":3564},[3017,8611,3612],{"class":3555},[3017,8613,3969],{"class":3551},[3017,8615,3972],{"class":3555},[3017,8617,4550],{"class":3551},[3017,8619,3556],{"class":3555},[3017,8621,4555],{"class":3551},[3017,8623,3556],{"class":3555},[3017,8625,4687],{"class":3564},[3017,8627,3612],{"class":3555},[3017,8629,3969],{"class":3551},[3017,8631,3556],{"class":3555},[3017,8633,4696],{"class":3551},[3017,8635,3307],{"class":3555},[3017,8637,8638],{"class":3615},"\"іван%\"",[3017,8640,3991],{"class":3555},[3017,8642,8643,8645,8647],{"class":3019,"line":3038},[3017,8644,3961],{"class":3555},[3017,8646,3998],{"class":3564},[3017,8648,4001],{"class":3555},[3529,8650,8652],{"id":8651},"порівняння-рядків-effunctionscollate","Порівняння рядків: EF.Functions.Collate",[2965,8654,8655],{},"Для переносимого регістронезалежного порівняння без прив'язки до провайдера використовуйте collation:",[3009,8657,8659],{"className":3535,"code":8658,"language":3538,"meta":3013,"style":3013},"// Регістронезалежний пошук, переносимий (але може не транслюватись у всіх провайдерах)\nvar result = await context.Authors\n    .Where(a => EF.Functions.Collate(a.Name, \"NOCASE\") == \"іван франко\")\n    .ToListAsync();\n",[2969,8660,8661,8666,8683,8727],{"__ignoreMap":3013},[3017,8662,8663],{"class":3019,"line":3020},[3017,8664,8665],{"class":3545},"// Регістронезалежний пошук, переносимий (але може не транслюватись у всіх провайдерах)\n",[3017,8667,8668,8670,8673,8675,8677,8679,8681],{"class":3019,"line":3026},[3017,8669,3939],{"class":3695},[3017,8671,8672],{"class":3551}," result",[3017,8674,3945],{"class":3555},[3017,8676,3948],{"class":3695},[3017,8678,3951],{"class":3551},[3017,8680,3556],{"class":3555},[3017,8682,4664],{"class":3551},[3017,8684,8685,8687,8689,8691,8693,8695,8697,8699,8701,8703,8706,8708,8710,8712,8714,8716,8719,8722,8725],{"class":3019,"line":3032},[3017,8686,3961],{"class":3555},[3017,8688,3964],{"class":3564},[3017,8690,3612],{"class":3555},[3017,8692,3969],{"class":3551},[3017,8694,3972],{"class":3555},[3017,8696,4550],{"class":3551},[3017,8698,3556],{"class":3555},[3017,8700,4555],{"class":3551},[3017,8702,3556],{"class":3555},[3017,8704,8705],{"class":3564},"Collate",[3017,8707,3612],{"class":3555},[3017,8709,3969],{"class":3551},[3017,8711,3556],{"class":3555},[3017,8713,4696],{"class":3551},[3017,8715,3307],{"class":3555},[3017,8717,8718],{"class":3615},"\"NOCASE\"",[3017,8720,8721],{"class":3555},") == ",[3017,8723,8724],{"class":3615},"\"іван франко\"",[3017,8726,4233],{"class":3555},[3017,8728,8729,8731,8733],{"class":3019,"line":3038},[3017,8730,3961],{"class":3555},[3017,8732,3998],{"class":3564},[3017,8734,4001],{"class":3555},[3529,8736,8738],{"id":8737},"null-обробка","NULL-обробка",[2965,8740,8741,8742,8744,8745,8748,8749,8752,8753,8756,8757,3556],{},"SQL і C# обробляють ",[2969,8743,3696],{}," по-різному. У SQL ",[2969,8746,8747],{},"NULL != NULL"," (порівняння з NULL завжди дає ",[2969,8750,8751],{},"UNKNOWN","). У C# ",[2969,8754,8755],{},"null == null"," є ",[2969,8758,8759],{},"true",[2965,8761,8762],{},"EF Core намагається „bridget\" це протиріччя, але є нюанси:",[3009,8764,8766],{"className":3535,"code":8765,"language":3538,"meta":3013,"style":3013},"string? search = null;\n\n// EF Core транслює це у правильний SQL з IS NULL\nvar books = await context.Books\n    .Where(b => b.Description == search)  // якщо search == null → WHERE Description IS NULL\n    .ToListAsync();\n",[2969,8767,8768,8784,8788,8793,8810,8839],{"__ignoreMap":3013},[3017,8769,8770,8772,8775,8778,8780,8782],{"class":3019,"line":3020},[3017,8771,3853],{"class":3695},[3017,8773,8774],{"class":3555},"? ",[3017,8776,8777],{"class":3551},"search",[3017,8779,3945],{"class":3555},[3017,8781,3696],{"class":3695},[3017,8783,3861],{"class":3555},[3017,8785,8786],{"class":3019,"line":3026},[3017,8787,3048],{"emptyLinePlaceholder":3047},[3017,8789,8790],{"class":3019,"line":3032},[3017,8791,8792],{"class":3545},"// EF Core транслює це у правильний SQL з IS NULL\n",[3017,8794,8795,8797,8800,8802,8804,8806,8808],{"class":3019,"line":3038},[3017,8796,3939],{"class":3695},[3017,8798,8799],{"class":3551}," books",[3017,8801,3945],{"class":3555},[3017,8803,3948],{"class":3695},[3017,8805,3951],{"class":3551},[3017,8807,3556],{"class":3555},[3017,8809,4738],{"class":3551},[3017,8811,8812,8814,8816,8818,8820,8822,8824,8826,8829,8831,8833,8836],{"class":3019,"line":3044},[3017,8813,3961],{"class":3555},[3017,8815,3964],{"class":3564},[3017,8817,3612],{"class":3555},[3017,8819,4749],{"class":3551},[3017,8821,3972],{"class":3555},[3017,8823,4749],{"class":3551},[3017,8825,3556],{"class":3555},[3017,8827,8828],{"class":3551},"Description",[3017,8830,5342],{"class":3555},[3017,8832,8777],{"class":3551},[3017,8834,8835],{"class":3555},")  ",[3017,8837,8838],{"class":3545},"// якщо search == null → WHERE Description IS NULL\n",[3017,8840,8841,8843,8845],{"class":3019,"line":3051},[3017,8842,3961],{"class":3555},[3017,8844,3998],{"class":3564},[3017,8846,4001],{"class":3555},[2965,8848,8849],{},"Але деякі провайдери можуть поводитись дещо по-різному у крайніх випадках. Завжди перевіряйте генерований SQL через логування.",[3529,8851,8853],{"id":8852},"десяткові-числа-і-точність","Десяткові числа і точність",[3009,8855,8857],{"className":3535,"code":8856,"language":3538,"meta":3013,"style":3013},"// Без явної конфігурації EF Core використовує провайдерні дефолти:\n// SQL Server: decimal(18,2)\n// PostgreSQL: numeric без обмежень (потрібне явне HasPrecision)\n// MySQL: decimal(65,30)\n\n// Завжди явно вказуйте точність!\nmodelBuilder.Entity\u003CProduct>()\n    .Property(p => p.Price)\n    .HasPrecision(10, 2); // 10 цифр, 2 після коми\n",[2969,8858,8859,8864,8869,8874,8879,8883,8888,8902,8922],{"__ignoreMap":3013},[3017,8860,8861],{"class":3019,"line":3020},[3017,8862,8863],{"class":3545},"// Без явної конфігурації EF Core використовує провайдерні дефолти:\n",[3017,8865,8866],{"class":3019,"line":3026},[3017,8867,8868],{"class":3545},"// SQL Server: decimal(18,2)\n",[3017,8870,8871],{"class":3019,"line":3032},[3017,8872,8873],{"class":3545},"// PostgreSQL: numeric без обмежень (потрібне явне HasPrecision)\n",[3017,8875,8876],{"class":3019,"line":3038},[3017,8877,8878],{"class":3545},"// MySQL: decimal(65,30)\n",[3017,8880,8881],{"class":3019,"line":3044},[3017,8882,3048],{"emptyLinePlaceholder":3047},[3017,8884,8885],{"class":3019,"line":3051},[3017,8886,8887],{"class":3545},"// Завжди явно вказуйте точність!\n",[3017,8889,8890,8892,8894,8896,8898,8900],{"class":3019,"line":3057},[3017,8891,5110],{"class":3551},[3017,8893,3556],{"class":3555},[3017,8895,4272],{"class":3564},[3017,8897,3568],{"class":3555},[3017,8899,5119],{"class":3571},[3017,8901,4279],{"class":3555},[3017,8903,8904,8906,8908,8910,8912,8914,8916,8918,8920],{"class":3019,"line":3063},[3017,8905,3961],{"class":3555},[3017,8907,4287],{"class":3564},[3017,8909,3612],{"class":3555},[3017,8911,2965],{"class":3551},[3017,8913,3972],{"class":3555},[3017,8915,2965],{"class":3551},[3017,8917,3556],{"class":3555},[3017,8919,5387],{"class":3551},[3017,8921,4233],{"class":3555},[3017,8923,8924,8926,8929,8931,8934,8936,8938,8940],{"class":3019,"line":3069},[3017,8925,3961],{"class":3555},[3017,8927,8928],{"class":3564},"HasPrecision",[3017,8930,3612],{"class":3555},[3017,8932,8933],{"class":3659},"10",[3017,8935,3307],{"class":3555},[3017,8937,5524],{"class":3659},[3017,8939,4862],{"class":3555},[3017,8941,8942],{"class":3545},"// 10 цифр, 2 після коми\n",[2992,8944],{},[2960,8946,8948],{"id":8947},"перехід-між-провайдерами-що-треба-змінити","Перехід між провайдерами: що треба змінити",[2965,8950,8951],{},"Якщо вам потрібно перейти з одного провайдера на інший (наприклад, розробка на SQLite, продакшн на PostgreSQL), ось що потребує уваги:",[8953,8954,8955,8959,8962,8995,8999,9046,9050,9053,9089,9093,9106,9110],"steps",{},[3529,8956,8958],{"id":8957},"зміна-nuget-пакету","Зміна NuGet-пакету",[2965,8960,8961],{},"Видаліть старий провайдер, додайте новий:",[3009,8963,8967],{"className":8964,"code":8965,"language":8966,"meta":3013,"style":3013},"language-bash shiki shiki-themes light-plus dark-plus dark-plus","dotnet remove package Microsoft.EntityFrameworkCore.Sqlite\ndotnet add package Npgsql.EntityFrameworkCore.PostgreSQL\n","bash",[2969,8968,8969,8983],{"__ignoreMap":3013},[3017,8970,8971,8974,8977,8980],{"class":3019,"line":3020},[3017,8972,8973],{"class":3564},"dotnet",[3017,8975,8976],{"class":3615}," remove",[3017,8978,8979],{"class":3615}," package",[3017,8981,8982],{"class":3615}," Microsoft.EntityFrameworkCore.Sqlite\n",[3017,8984,8985,8987,8990,8992],{"class":3019,"line":3026},[3017,8986,8973],{"class":3564},[3017,8988,8989],{"class":3615}," add",[3017,8991,8979],{"class":3615},[3017,8993,8994],{"class":3615}," Npgsql.EntityFrameworkCore.PostgreSQL\n",[3529,8996,8998],{"id":8997},"оновлення-usesqlite-usenpgsql","Оновлення UseSqlite → UseNpgsql",[3009,9000,9002],{"className":3535,"code":9001,"language":3538,"meta":3013,"style":3013},"// Було:\nopts.UseSqlite(connectionString);\n\n// Стало:\nopts.UseNpgsql(connectionString);\n",[2969,9003,9004,9009,9023,9027,9032],{"__ignoreMap":3013},[3017,9005,9006],{"class":3019,"line":3020},[3017,9007,9008],{"class":3545},"// Було:\n",[3017,9010,9011,9013,9015,9017,9019,9021],{"class":3019,"line":3026},[3017,9012,3578],{"class":3551},[3017,9014,3556],{"class":3555},[3017,9016,5910],{"class":3564},[3017,9018,3612],{"class":3555},[3017,9020,4890],{"class":3551},[3017,9022,3699],{"class":3555},[3017,9024,9025],{"class":3019,"line":3032},[3017,9026,3048],{"emptyLinePlaceholder":3047},[3017,9028,9029],{"class":3019,"line":3038},[3017,9030,9031],{"class":3545},"// Стало:\n",[3017,9033,9034,9036,9038,9040,9042,9044],{"class":3019,"line":3044},[3017,9035,3578],{"class":3551},[3017,9037,3556],{"class":3555},[3017,9039,3591],{"class":3564},[3017,9041,3612],{"class":3555},[3017,9043,4890],{"class":3551},[3017,9045,3699],{"class":3555},[3529,9047,9049],{"id":9048},"регенерація-міграцій","Регенерація міграцій",[2965,9051,9052],{},"Міграції є SQL-специфічними — вони містять SQL-синтаксис конкретної СУБД. При зміні провайдера потрібно або видалити та перегенерувати міграції, або вручну перевірити кожну:",[3009,9054,9056],{"className":8964,"code":9055,"language":8966,"meta":3013,"style":3013},"dotnet ef migrations remove  # видалити останню\ndotnet ef migrations add InitialCreate  # перегенерувати\n",[2969,9057,9058,9073],{"__ignoreMap":3013},[3017,9059,9060,9062,9065,9068,9070],{"class":3019,"line":3020},[3017,9061,8973],{"class":3564},[3017,9063,9064],{"class":3615}," ef",[3017,9066,9067],{"class":3615}," migrations",[3017,9069,8976],{"class":3615},[3017,9071,9072],{"class":3545},"  # видалити останню\n",[3017,9074,9075,9077,9079,9081,9083,9086],{"class":3019,"line":3026},[3017,9076,8973],{"class":3564},[3017,9078,9064],{"class":3615},[3017,9080,9067],{"class":3615},[3017,9082,8989],{"class":3615},[3017,9084,9085],{"class":3615}," InitialCreate",[3017,9087,9088],{"class":3545},"  # перегенерувати\n",[3529,9090,9092],{"id":9091},"перевірка-provider-специфічного-коду","Перевірка provider-специфічного коду",[2965,9094,9095,9096,9098,9099,3307,9101,5511,9103,9105],{},"Перевірте ",[2969,9097,8099],{}," на наявність provider-specific викликів (наприклад, ",[2969,9100,4252],{},[2969,9102,4905],{},[2969,9104,4310],{}," з конкретними SQL-типами, raw SQL у міграціях.",[3529,9107,9109],{"id":9108},"запуск-тестів","Запуск тестів",[2965,9111,9112],{},"Якщо тести використовують реальну СУБД — запустіть їх проти нового провайдера. Відмінності у поведінці (collation, NULL handling, точність) можуть проявитись саме тут.",[2992,9114],{},[2960,9116,9118],{"id":9117},"практичні-завдання","Практичні завдання",[9120,9121,9122,9220,9290],"card-group",{},[9123,9124,9127,9167,9188,9197],"card",{"icon":9125,"title":9126},"i-lucide-brain","Рівень 1: Вивчення типів",[2965,9128,9129,9132,9133,9135,9136,3307,9138,3307,9140,6981,9142,5511,9144,6981,9147,5511,9149,6981,9152,9154,9155,9158,9159,9162,9163,9166],{},[2984,9130,9131],{},"Завдання 1.1"," — Створіть проєкт з двома DbContext: один для SQLite, другий для PostgreSQL (або SQL Server). Опишіть сутність ",[2969,9134,5119],{}," з полями ",[2969,9137,4845],{},[2969,9139,4696],{},[2969,9141,5387],{},[2969,9143,3277],{},[2969,9145,9146],{},"CreatedAt",[2969,9148,4413],{},[2969,9150,9151],{},"IsActive",[2969,9153,7432],{},"). Запустіть ",[2969,9156,9157],{},"dotnet ef migrations add Initial"," для кожного контексту окремо (",[2969,9160,9161],{},"--context SqliteContext"," і ",[2969,9164,9165],{},"--context PgContext","). Порівняйте згенеровані міграції — як відрізняються SQL-типи?",[2965,9168,9169,9172,9173,9176,9177,9180,9181,9183,9184,9187],{},[2984,9170,9171],{},"Завдання 1.2"," — Напишіть тест (xUnit або nUnit), що використовує SQLite in-memory. Перевірте, що FK constraint ",[2984,9174,9175],{},"спрацьовує"," (спробуйте зберегти ",[2969,9178,9179],{},"Book"," з неіснуючим ",[2969,9182,6864],{},"). Переконайтесь, що без ",[2969,9185,9186],{},"EnableForeignKeys()"," FK не перевіряється.",[2965,9189,9190,9193,9194,9196],{},[2984,9191,9192],{},"Завдання 1.3"," — Знайдіть у документації Npgsql список підтримуваних PostgreSQL-функцій через ",[2969,9195,4507],{},". Для кожного LINQ-виразу нижче визначте: чи він транслюється у SQL (server evaluation) чи виконується в пам'яті (client evaluation)?",[3494,9198,9199,9204,9209,9215],{},[3497,9200,9201],{},[2969,9202,9203],{},"Where(a => a.Name.StartsWith(\"Іван\"))",[3497,9205,9206],{},[2969,9207,9208],{},"Where(a => a.Name.Length > 5)",[3497,9210,9211,9214],{},[2969,9212,9213],{},"Where(a => a.Tags.Contains(\"dotnet\"))"," (де Tags — масив)",[3497,9216,9217],{},[2969,9218,9219],{},"Where(a => a.BornAt.Year == 1856)",[9123,9221,9224,9250,9275],{"icon":9222,"title":9223},"i-lucide-bar-chart","Рівень 2: Конфігурація",[2965,9225,9226,9229,9230,9232,9233,9236,9237,9240,9241,3307,9244,3320,9247,3556],{},[2984,9227,9228],{},"Завдання 2.1"," — Налаштуйте PostgreSQL-контекст з наступними специфічними опціями: (а) enum-тип для ",[2969,9231,4257],{},", (б) PostgreSQL extension ",[2969,9234,9235],{},"pg_trgm",", (в) схема за замовчуванням ",[2969,9238,9239],{},"catalog",". Запустіть міграцію і переконайтесь, що SQL містить ",[2969,9242,9243],{},"CREATE TYPE",[2969,9245,9246],{},"CREATE EXTENSION",[2969,9248,9249],{},"CREATE SCHEMA",[2965,9251,9252,9255,9256,9259,9260,9263,9264,9267,9268,9271,9272,3556],{},[2984,9253,9254],{},"Завдання 2.2"," — Напишіть конфігурацію DbContext, що дозволяє запустити проєкт з ",[2984,9257,9258],{},"різними"," провайдерами в залежності від змінної середовища: ",[2969,9261,9262],{},"DB_PROVIDER=sqlite"," → UseSqlite, ",[2969,9265,9266],{},"DB_PROVIDER=postgres"," → UseNpgsql. Використайте ",[2969,9269,9270],{},"Environment.GetEnvironmentVariable()"," у ",[2969,9273,9274],{},"OnConfiguring",[2965,9276,9277,9280,9281,4577,9283,9285,9286,9289],{},[2984,9278,9279],{},"Завдання 2.3"," — Реалізуйте пошук статей через PostgreSQL full-text search (",[2969,9282,4560],{},[2969,9284,4612],{},"). Порівняйте результати з simple ",[2969,9287,9288],{},"LIKE"," пошуком для запитів: \"entity framework\", \"ef core query\", \"бази даних\". Поясніть різницю в релевантності.",[9123,9291,9294,9300,9310],{"icon":9292,"title":9293},"i-lucide-rocket","Рівень 3: Дослідження",[2965,9295,9296,9299],{},[2984,9297,9298],{},"Завдання 3.1 — Cross-provider тест:"," Напишіть набір інтеграційних тестів, де кожен тест запускається двічі — з SQLite in-memory і з реальним PostgreSQL (через Testcontainers або локальний Docker). Визначте, які тести дають різні результати між провайдерами. Задокументуйте причини розходжень.",[2965,9301,9302,9305,9306,9309],{},[2984,9303,9304],{},"Завдання 3.2 — Performance benchmark:"," Реалізуйте мікробенчмарк (BenchmarkDotNet або просто Stopwatch) для простого читання 1000 записів. Порівняйте: SQLite файл, SQLite in-memory, PostgreSQL локально, PostgreSQL + ",[2969,9307,9308],{},"AsNoTracking()",". Зробіть висновки про вплив накладних витрат з'єднання та Change Tracker.",[2965,9311,9312,9315,9316,9318,9319,9321,9322,9324],{},[2984,9313,9314],{},"Завдання 3.3 — Temporal Tables:"," Якщо є доступ до SQL Server 2016+, налаштуйте Temporal Table для сутності ",[2969,9317,5119],{},". Напишіть код, що: (а) змінює ціну продукту 5 разів, (б) запитує стан продукту на кожен момент змін через ",[2969,9320,5254],{},", (в) виводить повну історію змін через ",[2969,9323,5318],{},". Порівняйте з ручним аудит-логом через Interceptor.",[2992,9326],{},[2960,9328,9330],{"id":9329},"підсумок","Підсумок",[9332,9333,9334,9339],"note",{},[2965,9335,9336],{},[2984,9337,9338],{},"Ключові думки цієї статті:",[3494,9340,9341,9355,9360,9365,9370,9376,9390,9396],{},[3497,9342,9343,9344,9347,9348,3307,9350,3307,9352,9354],{},"EF Core є ",[2984,9345,9346],{},"провайдер-агностичним",": один LINQ-код — різні СУБД. Провайдери реалізують ",[2969,9349,3259],{},[2969,9351,3273],{},[2969,9353,3302],{}," для кожної СУБД.",[3497,9356,9357,9359],{},[2984,9358,3501],{}," — найбагатший провайдер за функціоналом: arrays, JSONB, enums, range types, full-text search, pg_trgm.",[3497,9361,9362,9364],{},[2984,9363,3371],{}," — корпоративний стандарт з унікальними Temporal Tables та інтеграцією з Azure.",[3497,9366,9367,9369],{},[2984,9368,3387],{}," — ідеальний для розробки та тестів. Обмеження: один writer, ALTER TABLE обмеження, FK вимкнені за замовчуванням.",[3497,9371,9372,9375],{},[2984,9373,9374],{},"InMemory-провайдер не рекомендований для тестів"," — не перевіряє FK, не виконує SQL, не реалізує реляційну поведінку. Використовуйте SQLite in-memory або Testcontainers.",[3497,9377,9378,9379,9381,9382,3307,9384,9386,9387,9389],{},"Типи даних відрізняються між провайдерами: ",[2969,9380,3277],{}," потребує явного ",[2969,9383,5726],{},[2969,9385,3289],{}," є рядком у MySQL, ",[2969,9388,4413],{}," зберігається по-різному.",[3497,9391,9392,9395],{},[2984,9393,9394],{},"Case sensitivity"," відрізняється за замовчуванням: SQL Server і PostgreSQL — case-sensitive, MySQL — зазвичай case-insensitive.",[3497,9397,9398,9399,9402],{},"При зміні провайдера потрібно ",[2984,9400,9401],{},"перегенерувати міграції"," — вони містять SQL-специфічний синтаксис.",[2965,9404,9405,9406,9409],{},"Наступна стаття — ",[3969,9407,9408],{"href":480},"Конвенції EF Core"," — розбирає повний перелік вбудованих конвенцій: як EF Core «знає» без конфігурації, що є первинним ключем, зовнішнім ключем, обов'язковим полем — і як цю магію перевизначати.",[9411,9412,9413],"style",{},"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: 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.sbdoH{--shiki-light:#A31515;--shiki-default:#CE9178;--shiki-dark:#CE9178}html pre.shiki code .sJj4R, html code.shiki .sJj4R{--shiki-light:#098658;--shiki-default:#B5CEA8;--shiki-dark:#B5CEA8}html pre.shiki code .su1O8, html code.shiki .su1O8{--shiki-light:#0000FF;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki code .sCDza, html code.shiki .sCDza{--shiki-light:#AF00DB;--shiki-default:#CE92A4;--shiki-dark:#CE92A4}html pre.shiki code .sjcCO, html code.shiki .sjcCO{--shiki-light:#EE0000;--shiki-default:#D7BA7D;--shiki-dark:#D7BA7D}",{"title":3013,"searchDepth":3026,"depth":3026,"links":9415},[9416,9417,9418,9419,9425,9430,9434,9437,9438,9439,9440,9443,9444,9450,9457,9458],{"id":2962,"depth":3026,"text":2963},{"id":2996,"depth":3026,"text":2997},{"id":3336,"depth":3026,"text":3337},{"id":3523,"depth":3026,"text":3524,"children":9420},[9421,9422,9423,9424],{"id":3531,"depth":3032,"text":3532},{"id":3770,"depth":3032,"text":3771},{"id":4500,"depth":3032,"text":4501},{"id":4794,"depth":3032,"text":4795},{"id":4918,"depth":3026,"text":4919,"children":9426},[9427,9428,9429],{"id":4925,"depth":3032,"text":4926},{"id":5082,"depth":3032,"text":5083},{"id":5659,"depth":3032,"text":5660},{"id":5833,"depth":3026,"text":5834,"children":9431},[9432,9433],{"id":5995,"depth":3032,"text":5996},{"id":6270,"depth":3032,"text":6271},{"id":6547,"depth":3026,"text":6548,"children":9435},[9436],{"id":6697,"depth":3032,"text":6698},{"id":6765,"depth":3026,"text":6766},{"id":7140,"depth":3026,"text":7141},{"id":7252,"depth":3026,"text":7253},{"id":7736,"depth":3026,"text":7737,"children":9441},[9442],{"id":8052,"depth":3032,"text":8053},{"id":8092,"depth":3026,"text":8093},{"id":8481,"depth":3026,"text":8482,"children":9445},[9446,9447,9448,9449],{"id":8488,"depth":3032,"text":8489},{"id":8651,"depth":3032,"text":8652},{"id":8737,"depth":3032,"text":8738},{"id":8852,"depth":3032,"text":8853},{"id":8947,"depth":3026,"text":8948,"children":9451},[9452,9453,9454,9455,9456],{"id":8957,"depth":3032,"text":8958},{"id":8997,"depth":3032,"text":8998},{"id":9048,"depth":3032,"text":9049},{"id":9091,"depth":3032,"text":9092},{"id":9108,"depth":3032,"text":9109},{"id":9117,"depth":3026,"text":9118},{"id":9329,"depth":3026,"text":9330},"Глибокий огляд архітектури провайдерів EF Core, детальний розбір PostgreSQL, SQL Server, SQLite, MySQL та InMemory — їх специфічні типи, конфігурація, відмінності поведінки та матриця вибору для реальних проєктів.","md",null,{},{"title":475,"description":9459},"v-Pz-gqamsBST3MOltmgJD8V9jGG-PRxRmYFnovfFrk",[9466,9468],{"title":471,"path":472,"stem":473,"description":9467,"children":-1},"Глибоке занурення у внутрішню архітектуру DbContext — StateManager, ChangeTracker, QueryCompiler, lifecycle, потокобезпека, DbContextFactory та пул контекстів. Розуміння «під капотом» для написання правильного коду.",{"title":479,"path":480,"stem":481,"description":9469,"children":-1},"Повний розбір вбудованих конвенцій EF Core — первинні ключі, зовнішні ключі, типи стовпців, Nullable Reference Types, навігаційні властивості, ієрархія конфігурації та кастомні конвенції.",1777912586744]