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DbProviderFactory — провайдер-незалежний код","/csharp/ado-net/provider-factory","01.csharp/09.ado-net/07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","/csharp/ado-net/async-data-access","01.csharp/09.ado-net/08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","/csharp/ado-net/disconnected-mode-dataset","01.csharp/09.ado-net/09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","/csharp/ado-net/data-adapter","01.csharp/09.ado-net/10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","/csharp/ado-net/data-mapper-repository","01.csharp/09.ado-net/11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","/csharp/ado-net/advanced-patterns","01.csharp/09.ado-net/12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","/csharp/ef-core","01.csharp/10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","/csharp/ef-core/what-is-orm","01.csharp/10.ef-core/01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","/csharp/ef-core/first-project","01.csharp/10.ef-core/02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","/csharp/ef-core/dbcontext-deep-dive","01.csharp/10.ef-core/03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","/csharp/ef-core/database-providers","01.csharp/10.ef-core/04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","/csharp/ef-core/conventions","01.csharp/10.ef-core/05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","/csharp/ef-core/fluent-api-vs-annotations","01.csharp/10.ef-core/06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","/csharp/ef-core/relationships-basics","01.csharp/10.ef-core/07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","/csharp/ef-core/relationships-advanced","01.csharp/10.ef-core/08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","/csharp/ef-core/property-configuration-part1","01.csharp/10.ef-core/09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","/csharp/ef-core/property-configuration-part2","01.csharp/10.ef-core/09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","/csharp/ef-core/complex-types-owned-part1","01.csharp/10.ef-core/10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","/csharp/ef-core/complex-types-owned-part2","01.csharp/10.ef-core/10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","/csharp/ef-core/json-columns-part1","01.csharp/10.ef-core/11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","/csharp/ef-core/json-columns-part2","01.csharp/10.ef-core/11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","/csharp/ef-core/inheritance-part1","01.csharp/10.ef-core/12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","/csharp/ef-core/inheritance-part2","01.csharp/10.ef-core/12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","/csharp/ef-core/indexes-constraints-part1","01.csharp/10.ef-core/13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","/csharp/ef-core/indexes-constraints-part2","01.csharp/10.ef-core/13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","/csharp/ef-core/seeding-part1","01.csharp/10.ef-core/14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","/csharp/ef-core/seeding-part2","01.csharp/10.ef-core/14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","/csharp/ef-core/global-query-filters-part1","01.csharp/10.ef-core/15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","/csharp/ef-core/global-query-filters-part2","01.csharp/10.ef-core/15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","/csharp/ef-core/linq-queries-part1","01.csharp/10.ef-core/16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","/csharp/ef-core/linq-queries-part2","01.csharp/10.ef-core/16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","/csharp/ef-core/loading-related-data-part1","01.csharp/10.ef-core/17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","/csharp/ef-core/loading-related-data-part2","01.csharp/10.ef-core/17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","/csharp/ef-core/raw-sql-part1","01.csharp/10.ef-core/18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","/csharp/ef-core/raw-sql-part2","01.csharp/10.ef-core/18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","/csharp/ef-core/advanced-queries-part1","01.csharp/10.ef-core/19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","/csharp/ef-core/advanced-queries-part2","01.csharp/10.ef-core/19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","/csharp/ef-core/change-tracking-part1","01.csharp/10.ef-core/20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","/csharp/ef-core/change-tracking-part2","01.csharp/10.ef-core/20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","/csharp/ef-core/saving-data-part1","01.csharp/10.ef-core/21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","/csharp/ef-core/saving-data-part2","01.csharp/10.ef-core/21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","/csharp/ef-core/concurrency-part1","01.csharp/10.ef-core/22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","/csharp/ef-core/concurrency-part2","01.csharp/10.ef-core/22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","/csharp/ef-core/migrations-basics-part1","01.csharp/10.ef-core/23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","/csharp/ef-core/migrations-basics-part2","01.csharp/10.ef-core/23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","/csharp/ef-core/migrations-advanced-part1","01.csharp/10.ef-core/24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","/csharp/ef-core/migrations-advanced-part2","01.csharp/10.ef-core/24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","/csharp/ef-core/schema-management-part1","01.csharp/10.ef-core/25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","/csharp/ef-core/schema-management-part2","01.csharp/10.ef-core/25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","/csharp/ef-core/performance-fundamentals-part1","01.csharp/10.ef-core/26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","/csharp/ef-core/interceptors-part1","01.csharp/10.ef-core/29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","/csharp/ef-core/interceptors-part2","01.csharp/10.ef-core/29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","/csharp/ef-core/implementation_plan","01.csharp/10.ef-core/implementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","/csharp/aspnet","01.csharp/11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","/csharp/aspnet/minimal-api","01.csharp/11.aspnet/01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","/csharp/aspnet/minimal-api/introduction","01.csharp/11.aspnet/01.minimal-api/01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","/csharp/aspnet/minimal-api/first-application","01.csharp/11.aspnet/01.minimal-api/02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","/csharp/aspnet/minimal-api/webapplication-builder","01.csharp/11.aspnet/01.minimal-api/03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","/csharp/aspnet/minimal-api/request-pipeline-middleware","01.csharp/11.aspnet/01.minimal-api/04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/routing-basics","01.csharp/11.aspnet/01.minimal-api/05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","/csharp/aspnet/minimal-api/routing-advanced","01.csharp/11.aspnet/01.minimal-api/06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","/csharp/aspnet/minimal-api/static-files","01.csharp/11.aspnet/01.minimal-api/07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","/csharp/aspnet/minimal-api/static-assets","01.csharp/11.aspnet/01.minimal-api/08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/configuration-fundamentals","01.csharp/11.aspnet/01.minimal-api/09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","/csharp/aspnet/minimal-api/configuration-options","01.csharp/11.aspnet/01.minimal-api/10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/logging-basics","01.csharp/11.aspnet/01.minimal-api/11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","/csharp/aspnet/minimal-api/logging-advanced","01.csharp/11.aspnet/01.minimal-api/12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","/csharp/aspnet/minimal-api/state-management","01.csharp/11.aspnet/01.minimal-api/13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","/csharp/aspnet/minimal-api/session-state","01.csharp/11.aspnet/01.minimal-api/14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","/csharp/aspnet/minimal-api/project-structure","01.csharp/11.aspnet/01.minimal-api/15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","/csharp/aspnet/minimal-api/scalar-openapi-fluent","01.csharp/11.aspnet/01.minimal-api/16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger / Swashbuckle у Minimal API: окремий класичний шлях","/csharp/aspnet/minimal-api/swagger-swashbuckle","01.csharp/11.aspnet/01.minimal-api/17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","/csharp/aspnet/api","01.csharp/11.aspnet/02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","/csharp/aspnet/api/what-is-api","01.csharp/11.aspnet/02.api/01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","/csharp/aspnet/api/data-formats","01.csharp/11.aspnet/02.api/02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","/csharp/aspnet/api/api-paradigms-rest","01.csharp/11.aspnet/02.api/03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","/csharp/aspnet/api/http-methods-status-codes","01.csharp/11.aspnet/02.api/04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","/csharp/aspnet/api/rest-organizing","01.csharp/11.aspnet/02.api/05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","/csharp/aspnet/api/url-nomenclature-crud","01.csharp/11.aspnet/02.api/06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","/csharp/aspnet/api/api-design-naming","01.csharp/11.aspnet/02.api/07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","/csharp/aspnet/api/api-design-validation","01.csharp/11.aspnet/02.api/08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","/csharp/aspnet/api/error-handling-http","01.csharp/11.aspnet/02.api/09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","/csharp/aspnet/api/idempotency-sync","01.csharp/11.aspnet/02.api/10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","/csharp/aspnet/api/pagination-lists","01.csharp/11.aspnet/02.api/11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","/csharp/aspnet/api/security-auth","01.csharp/11.aspnet/02.api/12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","/csharp/aspnet/api/api-design-process","01.csharp/11.aspnet/02.api/13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","/csharp/aspnet/api/openapi","01.csharp/11.aspnet/02.api/14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","/csharp/aspnet/auth","01.csharp/11.aspnet/03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","/csharp/aspnet/auth/auth-fundamentals","01.csharp/11.aspnet/03.auth/01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","/csharp/aspnet/auth/jwt-authentication","01.csharp/11.aspnet/03.auth/02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","/csharp/aspnet/auth/authorization-policies","01.csharp/11.aspnet/03.auth/03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","/csharp/aspnet/auth/cookie-auth-identity","01.csharp/11.aspnet/03.auth/04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","/csharp/aspnet/auth/04b.identity-auth-jwt","01.csharp/11.aspnet/03.auth/04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","/csharp/aspnet/auth/identity-email-confirmation","01.csharp/11.aspnet/03.auth/05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","/csharp/aspnet/auth/identity-two-factor","01.csharp/11.aspnet/03.auth/06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","/csharp/aspnet/auth/identity-internals","01.csharp/11.aspnet/03.auth/07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","/csharp/aspnet/auth/oauth-external-providers","01.csharp/11.aspnet/03.auth/08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","/csharp/aspnet/auth/security-hardening","01.csharp/11.aspnet/03.auth/09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","/csharp/aspnet/auth/oauth-theory","01.csharp/11.aspnet/03.auth/10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","/csharp/aspnet/auth/oidc-keycloak","01.csharp/11.aspnet/03.auth/10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","/csharp/aspnet/auth/api-keys","01.csharp/11.aspnet/03.auth/11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","/csharp/aspnet/auth/rate-limiting","01.csharp/11.aspnet/03.auth/12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","/csharp/aspnet/auth/refresh-token-rotation","01.csharp/11.aspnet/03.auth/13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","/csharp/aspnet/auth/certificate-auth","01.csharp/11.aspnet/03.auth/14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","/csharp/aspnet/auth/rbac-abac-rebac","01.csharp/11.aspnet/03.auth/15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","/csharp/aspnet/auth/multi-tenancy","01.csharp/11.aspnet/03.auth/16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","/csharp/aspnet/notifications","01.csharp/11.aspnet/04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","/csharp/aspnet/notifications/in-app-database-notifications","01.csharp/11.aspnet/04.notifications/01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","/csharp/aspnet/notifications/polling","01.csharp/11.aspnet/04.notifications/02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","/csharp/aspnet/notifications/server-sent-events","01.csharp/11.aspnet/04.notifications/03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","/csharp/aspnet/notifications/websockets","01.csharp/11.aspnet/04.notifications/04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","/csharp/aspnet/notifications/signalr","01.csharp/11.aspnet/04.notifications/05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","/csharp/aspnet/notifications/background-services","01.csharp/11.aspnet/04.notifications/06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","/csharp/aspnet/notifications/web-push","01.csharp/11.aspnet/04.notifications/07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","/csharp/aspnet/notifications/email-notifications","01.csharp/11.aspnet/04.notifications/08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","/csharp/aspnet/notifications/choosing-the-right-approach","01.csharp/11.aspnet/04.notifications/09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","/csharp/aspnet/notifications/hangfire","01.csharp/11.aspnet/04.notifications/10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","/csharp/aspnet/notifications/hangfire-image-webp","01.csharp/11.aspnet/04.notifications/11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","/csharp/aspnet/notifications/hangfire-video-hls","01.csharp/11.aspnet/04.notifications/12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","/csharp/aspnet/notifications/telegram-notifications","01.csharp/11.aspnet/04.notifications/13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","/csharp/aspnet/i18n","01.csharp/11.aspnet/05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","/csharp/aspnet/i18n/internationalization","01.csharp/11.aspnet/05.i18n/01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","/csharp/aspnet/i18n/humanizer","01.csharp/11.aspnet/05.i18n/02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","/csharp/aspnet/caching","01.csharp/11.aspnet/06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","/csharp/aspnet/caching/caching","01.csharp/11.aspnet/06.caching/01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","/csharp/aspnet/caching/memory-cache","01.csharp/11.aspnet/06.caching/02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","/csharp/aspnet/caching/distributed-cache","01.csharp/11.aspnet/06.caching/03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","/csharp/aspnet/caching/response-cache","01.csharp/11.aspnet/06.caching/04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","/csharp/aspnet/caching/output-cache","01.csharp/11.aspnet/06.caching/05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","/csharp/aspnet/testing","01.csharp/11.aspnet/07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","/csharp/aspnet/testing/what-is-testing","01.csharp/11.aspnet/07.testing/01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","/csharp/aspnet/testing/testing-pyramid","01.csharp/11.aspnet/07.testing/02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","/csharp/aspnet/testing/testing-schools","01.csharp/11.aspnet/07.testing/03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","/csharp/aspnet/testing/tdd-and-bdd","01.csharp/11.aspnet/07.testing/04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","/csharp/aspnet/testing/what-to-test","01.csharp/11.aspnet/07.testing/05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","/csharp/aspnet/testing/test-frameworks","01.csharp/11.aspnet/07.testing/06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","/csharp/aspnet/testing/xunit-basics","01.csharp/11.aspnet/07.testing/07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","/csharp/aspnet/testing/xunit-advanced","01.csharp/11.aspnet/07.testing/08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","/csharp/aspnet/testing/mocking-with-moq","01.csharp/11.aspnet/07.testing/09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","/csharp/aspnet/testing/database-testing","01.csharp/11.aspnet/07.testing/10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","/csharp/aspnet/testing/integration-testing","01.csharp/11.aspnet/07.testing/11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","/csharp/aspnet/testing/11a.integration-testing-practice","01.csharp/11.aspnet/07.testing/11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","/csharp/aspnet/testing/integration-testing-advanced","01.csharp/11.aspnet/07.testing/12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","/csharp/aspnet/testing/postman-professional","01.csharp/11.aspnet/07.testing/13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","/csharp/aspnet/testing/httpclient-testing","01.csharp/11.aspnet/07.testing/14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","/csharp/aspnet/testing/wiremock-net","01.csharp/11.aspnet/07.testing/15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","/csharp/aspnet/testing/testing-patterns","01.csharp/11.aspnet/07.testing/16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","/csharp/aspnet/testing/advanced-testing-tools","01.csharp/11.aspnet/07.testing/17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","/csharp/aspnet/testing/architecture-testing","01.csharp/11.aspnet/07.testing/18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","/csharp/aspnet/testing/performance-testing","01.csharp/11.aspnet/07.testing/19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","/csharp/aspnet/testing/remaining_plan","01.csharp/11.aspnet/07.testing/remaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","/csharp/aspnet/payments","01.csharp/11.aspnet/08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","/csharp/aspnet/payments/payment-fundamentals","01.csharp/11.aspnet/08.payments/01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","/csharp/aspnet/payments/payment-methods-ukraine","01.csharp/11.aspnet/08.payments/02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","/csharp/aspnet/payments/pci-dss-security","01.csharp/11.aspnet/08.payments/03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","/csharp/aspnet/payments/payment-architecture","01.csharp/11.aspnet/08.payments/04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","/csharp/aspnet/payments/liqpay-integration","01.csharp/11.aspnet/08.payments/05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","/csharp/aspnet/payments/monobank-acquiring","01.csharp/11.aspnet/08.payments/06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","/csharp/aspnet/payments/stripe-integration","01.csharp/11.aspnet/08.payments/07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","/csharp/aspnet/payments/webhooks-deep-dive","01.csharp/11.aspnet/08.payments/08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","/csharp/aspnet/payments/subscriptions-recurring","01.csharp/11.aspnet/08.payments/09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","/csharp/aspnet/payments/refunds-disputes","01.csharp/11.aspnet/08.payments/10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","/csharp/aspnet/payments/testing-payments","01.csharp/11.aspnet/08.payments/11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","/csharp/aspnet/payments/production-checklist","01.csharp/11.aspnet/08.payments/12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","/csharp/aspnet/libraries","01.csharp/11.aspnet/09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","/csharp/aspnet/libraries/fluent-validation","01.csharp/11.aspnet/09.libraries/01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","/csharp/aspnet/libraries/mapster","01.csharp/11.aspnet/09.libraries/02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","/csharp/aspnet/libraries/erroror-result-pattern","01.csharp/11.aspnet/09.libraries/03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","/csharp/aspnet/libraries/serilog","01.csharp/11.aspnet/09.libraries/04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","/csharp/aspnet/libraries/mediatr","01.csharp/11.aspnet/09.libraries/05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","/csharp/aspnet/libraries/polly","01.csharp/11.aspnet/09.libraries/06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","/csharp/aspnet/libraries/health-checks","01.csharp/11.aspnet/09.libraries/07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","/csharp/aspnet/libraries/feature-management","01.csharp/11.aspnet/09.libraries/08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","/csharp/aspnet/libraries/fluent-email","01.csharp/11.aspnet/09.libraries/09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","/csharp/aspnet/libraries/quest-pdf","01.csharp/11.aspnet/09.libraries/10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","/csharp/aspnet/libraries/bogus","01.csharp/11.aspnet/09.libraries/11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","/csharp/aspnet/libraries/humanizer-guard","01.csharp/11.aspnet/09.libraries/12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","/csharp/aspnet/libraries/plan","01.csharp/11.aspnet/09.libraries/plan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","/csharp/aspnet/razor-pages","01.csharp/11.aspnet/10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","/csharp/aspnet/razor-pages/from-minimal-api","01.csharp/11.aspnet/10.razor-pages/01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","/csharp/aspnet/razor-pages/page-model","01.csharp/11.aspnet/10.razor-pages/02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","/csharp/aspnet/razor-pages/razor-syntax","01.csharp/11.aspnet/10.razor-pages/03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","/csharp/aspnet/razor-pages/tag-helpers","01.csharp/11.aspnet/10.razor-pages/04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","/csharp/aspnet/razor-pages/forms-validation","01.csharp/11.aspnet/10.razor-pages/05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","/csharp/aspnet/razor-pages/project-task-manager","01.csharp/11.aspnet/10.razor-pages/06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","/csharp/aspnet/mvc","01.csharp/11.aspnet/11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","/csharp/aspnet/mvc/mvc-pattern","01.csharp/11.aspnet/11.mvc/01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","/csharp/aspnet/mvc/from-razor-pages","01.csharp/11.aspnet/11.mvc/02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","/csharp/aspnet/mvc/controllers-actions","01.csharp/11.aspnet/11.mvc/03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","/csharp/aspnet/mvc/routing-mvc","01.csharp/11.aspnet/11.mvc/04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","/csharp/aspnet/mvc/model-binding","01.csharp/11.aspnet/11.mvc/05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","/csharp/aspnet/mvc/views-viewdata-tempdata","01.csharp/11.aspnet/11.mvc/06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","/csharp/aspnet/mvc/filters","01.csharp/11.aspnet/11.mvc/07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","/csharp/aspnet/mvc/areas","01.csharp/11.aspnet/11.mvc/08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","/csharp/aspnet/mvc/view-components","01.csharp/11.aspnet/11.mvc/09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","/csharp/aspnet/mvc/display-editor-templates","01.csharp/11.aspnet/11.mvc/10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","/csharp/aspnet/mvc/validation-advanced","01.csharp/11.aspnet/11.mvc/11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","/csharp/aspnet/mvc/htmx","01.csharp/11.aspnet/11.mvc/12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","/csharp/aspnet/mvc/ajax-htmx-mvc","01.csharp/11.aspnet/11.mvc/13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","/csharp/aspnet/mvc/htmx-project","01.csharp/11.aspnet/11.mvc/14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","/csharp/aspnet/mvc/file-upload","01.csharp/11.aspnet/11.mvc/15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","/csharp/aspnet/mvc/globalization-localization","01.csharp/11.aspnet/11.mvc/16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","/csharp/aspnet/mvc/mvc-project","01.csharp/11.aspnet/11.mvc/17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","/csharp/aspnet/mvc/plan","01.csharp/11.aspnet/11.mvc/plan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","/csharp/aspnet/web-api","01.csharp/11.aspnet/12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","/csharp/aspnet/web-api/from-minimal-api-to-controllers","01.csharp/11.aspnet/12.web-api/01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","/csharp/aspnet/web-api/controller-base-actionresult","01.csharp/11.aspnet/12.web-api/02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","/csharp/aspnet/web-api/content-negotiation","01.csharp/11.aspnet/12.web-api/03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","/csharp/aspnet/web-api/api-versioning","01.csharp/11.aspnet/12.web-api/04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","/csharp/aspnet/web-api/problemdetails-error-handling","01.csharp/11.aspnet/12.web-api/05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","/csharp/aspnet/web-api/filters-for-api","01.csharp/11.aspnet/12.web-api/06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","/csharp/aspnet/web-api/pagination-filtering-sorting","01.csharp/11.aspnet/12.web-api/07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","/csharp/aspnet/web-api/hateoas-resource-expansion","01.csharp/11.aspnet/12.web-api/08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","/csharp/aspnet/web-api/minimal-api-vs-controllers-hybrid","01.csharp/11.aspnet/12.web-api/09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","/csharp/aspnet/web-api/api-documentation-generation","01.csharp/11.aspnet/12.web-api/10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","/csharp/aspnet/web-api/health-checks-monitoring","01.csharp/11.aspnet/12.web-api/11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","/csharp/aspnet/web-api/web-api-project","01.csharp/11.aspnet/12.web-api/12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","/csharp/aspnet/web-api/plan","01.csharp/11.aspnet/12.web-api/plan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Desktop UI","i-lucide-app-window","/csharp/desktop-ui","01.csharp/12.desktop-ui",[1352,1356,1360,1364,1368,1372,1376,1380,1384,1388,1392,1396,1400,1404,1408,1412,1416,1420,1424,1428,1432,1436,1440,1444,1448,1452,1456,1460,1464,1468,1472,1476,1480,1484,1488,1492,1496,1500,1504,1508,1512,1516,1520,1524,1528,1532,1536,1540,1544,1548,1552,1556,1560,1564,1568,1572,1576,1580,1584,1588,1592,1596,1600,1604,1608,1612,1616,1620,1624,1628,1632],{"title":1353,"path":1354,"stem":1355},"Що таке десктопна розробка?","/csharp/desktop-ui/what-is-desktop-dev","01.csharp/12.desktop-ui/01.what-is-desktop-dev",{"title":1357,"path":1358,"stem":1359},"Архітектура WPF — як влаштований графічний інтерфейс","/csharp/desktop-ui/wpf-architecture","01.csharp/12.desktop-ui/02.wpf-architecture",{"title":1361,"path":1362,"stem":1363},"Перший WPF-проєкт — від нуля до вікна","/csharp/desktop-ui/first-wpf-app","01.csharp/12.desktop-ui/03.first-wpf-app",{"title":1365,"path":1366,"stem":1367},"Перший Avalonia-проєкт: WPF для всіх платформ","/csharp/desktop-ui/03a.first-avalonia-app","01.csharp/12.desktop-ui/03a.first-avalonia-app",{"title":1369,"path":1370,"stem":1371},"XAML: декларативний інтерфейс","/csharp/desktop-ui/xaml-basics","01.csharp/12.desktop-ui/04.xaml-basics",{"title":1373,"path":1374,"stem":1375},"Fluent UI у WPF — сучасний дизайн Windows 11","/csharp/desktop-ui/04a.wpf-fluent-ui","01.csharp/12.desktop-ui/04a.wpf-fluent-ui",{"title":1377,"path":1378,"stem":1379},"WPF UI — сучасна бібліотека Fluent контролів","/csharp/desktop-ui/04b.wpf-ui-library","01.csharp/12.desktop-ui/04b.wpf-ui-library",{"title":1381,"path":1382,"stem":1383},"HandyControl — велика бібліотека UI контролів для WPF","/csharp/desktop-ui/04c.handycontrol-library","01.csharp/12.desktop-ui/04c.handycontrol-library",{"title":1385,"path":1386,"stem":1387},"Простори імен та ресурси XAML","/csharp/desktop-ui/xaml-namespaces-resources","01.csharp/12.desktop-ui/05.xaml-namespaces-resources",{"title":1389,"path":1390,"stem":1391},"XAML в Avalonia: ключові відмінності від WPF","/csharp/desktop-ui/05a.avalonia-xaml-differences","01.csharp/12.desktop-ui/05a.avalonia-xaml-differences",{"title":1393,"path":1394,"stem":1395},"Розширення розмітки XAML (Markup Extensions)","/csharp/desktop-ui/xaml-markup-extensions","01.csharp/12.desktop-ui/06.xaml-markup-extensions",{"title":1397,"path":1398,"stem":1399},"Панелі Layout: StackPanel, WrapPanel, DockPanel","/csharp/desktop-ui/layout-panels-part1","01.csharp/12.desktop-ui/07.layout-panels-part1",{"title":1401,"path":1402,"stem":1403},"Grid, Canvas, UniformGrid","/csharp/desktop-ui/layout-panels-part2","01.csharp/12.desktop-ui/07.layout-panels-part2",{"title":1405,"path":1406,"stem":1407},"Просунуті техніки Layout","/csharp/desktop-ui/layout-advanced","01.csharp/12.desktop-ui/08.layout-advanced",{"title":1409,"path":1410,"stem":1411},"Адаптивний Layout та найкращі практики","/csharp/desktop-ui/layout-responsive","01.csharp/12.desktop-ui/09.layout-responsive",{"title":1413,"path":1414,"stem":1415},"Layout в Avalonia: відмінності та нові можливості","/csharp/desktop-ui/09a.layout-avalonia","01.csharp/12.desktop-ui/09a.layout-avalonia",{"title":1417,"path":1418,"stem":1419},"Button, Image, ProgressBar та інші базові контроли","/csharp/desktop-ui/basic-controls","01.csharp/12.desktop-ui/10.basic-controls",{"title":1421,"path":1422,"stem":1423},"Контроли в Avalonia: відмінності від WPF","/csharp/desktop-ui/10a.controls-avalonia","01.csharp/12.desktop-ui/10a.controls-avalonia",{"title":1425,"path":1426,"stem":1427},"Текстові контроли — TextBlock, TextBox, RichTextBox","/csharp/desktop-ui/text-controls","01.csharp/12.desktop-ui/11.text-controls",{"title":1429,"path":1430,"stem":1431},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","/csharp/desktop-ui/selection-controls","01.csharp/12.desktop-ui/12.selection-controls",{"title":1433,"path":1434,"stem":1435},"Content Model — GroupBox, Expander, TabControl, StatusBar","/csharp/desktop-ui/content-controls","01.csharp/12.desktop-ui/13.content-controls",{"title":1437,"path":1438,"stem":1439},"UI/UX принципи десктопних застосунків","/csharp/desktop-ui/13a.ui-ux-principles","01.csharp/12.desktop-ui/13a.ui-ux-principles",{"title":1441,"path":1442,"stem":1443},"Dependency Properties — Концепція та Value Resolution","/csharp/desktop-ui/dependency-properties-part1","01.csharp/12.desktop-ui/14.dependency-properties-part1",{"title":1445,"path":1446,"stem":1447},"Avalonia Property System — StyledProperty та DirectProperty","/csharp/desktop-ui/14a.avalonia-property-system","01.csharp/12.desktop-ui/14a.avalonia-property-system",{"title":1449,"path":1450,"stem":1451},"Attached Properties — Властивості без меж","/csharp/desktop-ui/attached-properties","01.csharp/12.desktop-ui/15.attached-properties",{"title":1453,"path":1454,"stem":1455},"Routed Events — Маршрутизація подій у WPF","/csharp/desktop-ui/routed-events","01.csharp/12.desktop-ui/16.routed-events",{"title":1457,"path":1458,"stem":1459},"Data Binding — Від Code-Behind до Декларативності","/csharp/desktop-ui/data-binding-basics-part1","01.csharp/12.desktop-ui/17.data-binding-basics-part1",{"title":1461,"path":1462,"stem":1463},"INotifyPropertyChanged — Живе оновлення UI","/csharp/desktop-ui/data-binding-basics-part2","01.csharp/12.desktop-ui/17.data-binding-basics-part2",{"title":1465,"path":1466,"stem":1467},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","/csharp/desktop-ui/17a.avalonia-compiled-bindings","01.csharp/12.desktop-ui/17a.avalonia-compiled-bindings",{"title":1469,"path":1470,"stem":1471},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","/csharp/desktop-ui/data-binding-advanced","01.csharp/12.desktop-ui/18.data-binding-advanced",{"title":1473,"path":1474,"stem":1475},"Value Converters — Перетворення типів даних у Data Binding","/csharp/desktop-ui/value-converters","01.csharp/12.desktop-ui/19.value-converters",{"title":1477,"path":1478,"stem":1479},"Data Templates — Візуалізація об'єктів у WPF","/csharp/desktop-ui/data-templates","01.csharp/12.desktop-ui/20.data-templates",{"title":1481,"path":1482,"stem":1483},"Collections Binding Part 1 — ObservableCollection та ItemsControl","/csharp/desktop-ui/collections-binding-part1","01.csharp/12.desktop-ui/21.collections-binding-part1",{"title":1485,"path":1486,"stem":1487},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","/csharp/desktop-ui/collections-binding-part2","01.csharp/12.desktop-ui/21.collections-binding-part2",{"title":1489,"path":1490,"stem":1491},"MVVM Pattern — Від Spaghetti Code до архітектури","/csharp/desktop-ui/mvvm-pattern","01.csharp/12.desktop-ui/22.mvvm-pattern",{"title":1493,"path":1494,"stem":1495},"ViewModel Implementation — Від BaseViewModel до валідації","/csharp/desktop-ui/viewmodel-implementation","01.csharp/12.desktop-ui/23.viewmodel-implementation",{"title":1497,"path":1498,"stem":1499},"Commands — Від event handlers до декларативних команд","/csharp/desktop-ui/commands","01.csharp/12.desktop-ui/24.commands",{"title":1501,"path":1502,"stem":1503},"MVVM Toolkit — MVVM без boilerplate через Source Generators","/csharp/desktop-ui/mvvm-toolkit","01.csharp/12.desktop-ui/25.mvvm-toolkit",{"title":1505,"path":1506,"stem":1507},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","/csharp/desktop-ui/messenger-pattern","01.csharp/12.desktop-ui/26.messenger-pattern",{"title":1509,"path":1510,"stem":1511},"Стилі WPF — CSS для десктопу","/csharp/desktop-ui/styles-basics","01.csharp/12.desktop-ui/27.styles-basics",{"title":1513,"path":1514,"stem":1515},"CSS-like стилі Avalonia","/csharp/desktop-ui/27a.avalonia-css-styling","01.csharp/12.desktop-ui/27a.avalonia-css-styling",{"title":1517,"path":1518,"stem":1519},"Control Templates — Частина 1. Концепція та TemplateBinding","/csharp/desktop-ui/control-templates-part1","01.csharp/12.desktop-ui/28.control-templates-part1",{"title":1521,"path":1522,"stem":1523},"Control Templates — Частина 2. Named Parts та ContentPresenter","/csharp/desktop-ui/control-templates-part2","01.csharp/12.desktop-ui/28.control-templates-part2",{"title":1525,"path":1526,"stem":1527},"Control Themes в Avalonia — нова ера стилізації","/csharp/desktop-ui/28a.avalonia-control-themes","01.csharp/12.desktop-ui/28a.avalonia-control-themes",{"title":1529,"path":1530,"stem":1531},"Triggers та Visual State Manager у WPF","/csharp/desktop-ui/triggers-visual-states","01.csharp/12.desktop-ui/29.triggers-visual-states",{"title":1533,"path":1534,"stem":1535},"Pseudo-classes в Avalonia — замість WPF Triggers","/csharp/desktop-ui/29a.avalonia-pseudo-classes","01.csharp/12.desktop-ui/29a.avalonia-pseudo-classes",{"title":1537,"path":1538,"stem":1539},"Теми та ресурсні словники у WPF","/csharp/desktop-ui/resources-themes","01.csharp/12.desktop-ui/30.resources-themes",{"title":1541,"path":1542,"stem":1543},"Avalonia Themes — Fluent Design та система тематизації","/csharp/desktop-ui/30a.avalonia-themes-fluent","01.csharp/12.desktop-ui/30a.avalonia-themes-fluent",{"title":1545,"path":1546,"stem":1547},"Контроли колекцій — глибоке занурення","/csharp/desktop-ui/collection-controls","01.csharp/12.desktop-ui/31.collection-controls",{"title":1549,"path":1550,"stem":1551},"DataGrid — колонки та базове відображення","/csharp/desktop-ui/datagrid-part1","01.csharp/12.desktop-ui/32.datagrid-part1",{"title":1553,"path":1554,"stem":1555},"DataGrid — сортування, фільтрація, редагування","/csharp/desktop-ui/datagrid-part2","01.csharp/12.desktop-ui/32.datagrid-part2",{"title":1557,"path":1558,"stem":1559},"TreeView та GridView","/csharp/desktop-ui/treeview-listview","01.csharp/12.desktop-ui/33.treeview-listview",{"title":1561,"path":1562,"stem":1563},"Меню, Toolbar, ContextMenu, StatusBar","/csharp/desktop-ui/menus-toolbars","01.csharp/12.desktop-ui/34.menus-toolbars",{"title":1565,"path":1566,"stem":1567},"Навігація та керування вікнами. Частина 1: вікна та сторінки","/csharp/desktop-ui/navigation-windows-part1","01.csharp/12.desktop-ui/35.navigation-windows-part1",{"title":1569,"path":1570,"stem":1571},"Навігація та керування вікнами. Частина 2: MVVM-навігація","/csharp/desktop-ui/navigation-windows-part2","01.csharp/12.desktop-ui/35.navigation-windows-part2",{"title":1573,"path":1574,"stem":1575},"Avalonia — Навігація та діалоги","/csharp/desktop-ui/35a.avalonia-navigation-dialogs","01.csharp/12.desktop-ui/35a.avalonia-navigation-dialogs",{"title":1577,"path":1578,"stem":1579},"Діалоги та File Pickers у WPF","/csharp/desktop-ui/dialogs-file-pickers","01.csharp/12.desktop-ui/36.dialogs-file-pickers",{"title":1581,"path":1582,"stem":1583},"UserControl: компонентний підхід у WPF","/csharp/desktop-ui/user-controls","01.csharp/12.desktop-ui/37.user-controls",{"title":1585,"path":1586,"stem":1587},"Custom Controls: Lookless Controls у WPF","/csharp/desktop-ui/custom-controls","01.csharp/12.desktop-ui/38.custom-controls",{"title":1589,"path":1590,"stem":1591},"Avalonia TemplatedControl — Lookless Controls","/csharp/desktop-ui/38a.avalonia-templated-controls","01.csharp/12.desktop-ui/38a.avalonia-templated-controls",{"title":1593,"path":1594,"stem":1595},"Анімації у WPF: Storyboard та Easing Functions","/csharp/desktop-ui/animations-transitions","01.csharp/12.desktop-ui/39.animations-transitions",{"title":1597,"path":1598,"stem":1599},"Анімації в Avalonia","/csharp/desktop-ui/39a.avalonia-animations","01.csharp/12.desktop-ui/39a.avalonia-animations",{"title":1601,"path":1602,"stem":1603},"2D Графіка та Мультимедіа у WPF","/csharp/desktop-ui/media-graphics","01.csharp/12.desktop-ui/40.media-graphics",{"title":1605,"path":1606,"stem":1607},"Dependency Injection у WPF та Avalonia","/csharp/desktop-ui/di-integration","01.csharp/12.desktop-ui/41.di-integration",{"title":1609,"path":1610,"stem":1611},"SQLite та EF Core у десктопних додатках","/csharp/desktop-ui/data-persistence-part1","01.csharp/12.desktop-ui/42.data-persistence-part1",{"title":1613,"path":1614,"stem":1615},"Repository Pattern та Unit of Work","/csharp/desktop-ui/data-persistence-part2","01.csharp/12.desktop-ui/43.data-persistence-part2",{"title":1617,"path":1618,"stem":1619},"Тестування ViewModels","/csharp/desktop-ui/viewmodel-testing","01.csharp/12.desktop-ui/44.viewmodel-testing",{"title":1621,"path":1622,"stem":1623},"Avalonia Headless Testing — тестування UI без вікон","/csharp/desktop-ui/44a.avalonia-headless-testing","01.csharp/12.desktop-ui/44a.avalonia-headless-testing",{"title":1625,"path":1626,"stem":1627},"Кросплатформна розробка з Avalonia","/csharp/desktop-ui/avalonia-cross-platform","01.csharp/12.desktop-ui/45.avalonia-cross-platform",{"title":1629,"path":1630,"stem":1631},"Пакування та розгортання Avalonia додатків","/csharp/desktop-ui/avalonia-packaging-deployment","01.csharp/12.desktop-ui/46.avalonia-packaging-deployment",{"title":1633,"path":1634,"stem":1635},"Розгортання WPF застосунків","/csharp/desktop-ui/wpf-packaging-deployment","01.csharp/12.desktop-ui/47.wpf-packaging-deployment",{"title":1637,"path":1638,"stem":1639},"C# & .NET: The Ultimate Roadmap","/csharp/roadmap","01.csharp/roadmap",{"title":1641,"icon":1642,"path":1643,"stem":1644,"children":1645,"page":59},"C++","i-devicon-cplusplus","/cpp","02.cpp",[1646,1650,1654,1658,1662,1666,1670,1674,1678,1681,1685,1689,1693,1697,1701,1705,1709,1713,1717,1721,1725,1729,1733,1737,1741,1745,1749,1753,1757,1761],{"title":1647,"path":1648,"stem":1649},"Вступ у програмування та алгоритми","/cpp/intro-algorithms","02.cpp/01.intro-algorithms",{"title":1651,"path":1652,"stem":1653},"Code Style: угоди про оформлення коду","/cpp/code-style","02.cpp/02.code-style",{"title":1655,"path":1656,"stem":1657},"Середовище розробки та перший 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типу void","/cpp/void-pointers","02.cpp/20.void-pointers",{"title":1726,"path":1727,"stem":1728},"Вказівники на вказівники","/cpp/pointers-to-pointers","02.cpp/21.pointers-to-pointers",{"title":1730,"path":1731,"stem":1732},"Оператор доступу до членів через вказівник (->)","/cpp/member-access-operator","02.cpp/22.member-access-operator",{"title":1734,"path":1735,"stem":1736},"Цикл for-each (Range-based for)","/cpp/foreach-loop","02.cpp/23.foreach-loop",{"title":1738,"path":1739,"stem":1740},"Вказівники на функції","/cpp/function-pointers","02.cpp/24.function-pointers",{"title":1742,"path":1743,"stem":1744},"Лямбда-вирази","/cpp/lambdas","02.cpp/25.lambdas",{"title":1746,"path":1747,"stem":1748},"Лямбда-захоплення","/cpp/lambda-captures","02.cpp/26.lambda-captures",{"title":1750,"path":1751,"stem":1752},"Еліпсис","/cpp/ellipsis","02.cpp/27.ellipsis",{"title":1754,"path":1755,"stem":1756},"Аргументи командного рядка","/cpp/command-line-arguments","02.cpp/28.command-line-arguments",{"title":1758,"path":1759,"stem":1760},"Перерахування (enum)","/cpp/enum","02.cpp/29.enum",{"title":1762,"path":1763,"stem":1764},"План навчання: Курс C++ — Продовження (Статті 29–60+)","/cpp/curriculum-plan","02.cpp/curriculum-plan",{"title":1766,"icon":1767,"path":1768,"stem":1769,"children":1770,"page":59},"JavaScript","i-devicon-javascript","/javascript","03.javascript",[1771,1797,1851,1873,2177,2215],{"title":1772,"icon":1773,"path":1774,"stem":1775,"children":1776,"page":59},"Events","i-lucide-mouse-pointer-click","/javascript/events","03.javascript/01.events",[1777,1781,1785,1789,1793],{"title":1778,"path":1779,"stem":1780},"Вступ до подій браузера","/javascript/events/intro","03.javascript/01.events/01.intro",{"title":1782,"path":1783,"stem":1784},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","/javascript/events/bubbling-capturing","03.javascript/01.events/02.bubbling-capturing",{"title":1786,"path":1787,"stem":1788},"Делегування подій (Event Delegation)","/javascript/events/delegate-events","03.javascript/01.events/03.delegate-events",{"title":1790,"path":1791,"stem":1792},"Типові дії браузера та preventDefault()","/javascript/events/prevent-default","03.javascript/01.events/04.prevent-default",{"title":1794,"path":1795,"stem":1796},"Запуск користувацьких подій (Custom Events)","/javascript/events/custom-events","03.javascript/01.events/05.custom-events",{"title":1798,"icon":1799,"path":1800,"stem":1801,"children":1802,"page":59},"Network","i-lucide-globe","/javascript/network","03.javascript/02.network",[1803,1807,1811,1815,1819,1823,1827,1831,1835,1839,1843,1847],{"title":1804,"path":1805,"stem":1806},"Fetch API - Сучасний підхід до HTTP-запитів","/javascript/network/01-fetch-api","03.javascript/02.network/01-fetch-api",{"title":1808,"path":1809,"stem":1810},"FormData - Робота з формами та файлами","/javascript/network/02-formdata","03.javascript/02.network/02-formdata",{"title":1812,"path":1813,"stem":1814},"Відстеження прогресу завантаження","/javascript/network/03-download-progress","03.javascript/02.network/03-download-progress",{"title":1816,"path":1817,"stem":1818},"Переривання fetch-запитів","/javascript/network/04-abort-requests","03.javascript/02.network/04-abort-requests",{"title":1820,"path":1821,"stem":1822},"CORS - Запити між різними джерелами","/javascript/network/05-cors","03.javascript/02.network/05-cors",{"title":1824,"path":1825,"stem":1826},"Fetch API - Повний довідник опцій","/javascript/network/06-fetch-options","03.javascript/02.network/06-fetch-options",{"title":1828,"path":1829,"stem":1830},"URL Objects - Робота з посиланнями","/javascript/network/07-url-objects","03.javascript/02.network/07-url-objects",{"title":1832,"path":1833,"stem":1834},"XMLHttpRequest - AJAX та низькорівневі запити","/javascript/network/08-xmlhttprequest","03.javascript/02.network/08-xmlhttprequest",{"title":1836,"path":1837,"stem":1838},"Відновлюване завантаження файлів","/javascript/network/09-resumable-upload","03.javascript/02.network/09-resumable-upload",{"title":1840,"path":1841,"stem":1842},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","/javascript/network/10-cookies","03.javascript/02.network/10-cookies",{"title":1844,"path":1845,"stem":1846},"js-cookie: Керування Cookies без Болю","/javascript/network/11-js-cookie","03.javascript/02.network/11-js-cookie",{"title":1848,"path":1849,"stem":1850},"Axios: Потужний HTTP-клієнт для JavaScript","/javascript/network/12-axios","03.javascript/02.network/12-axios",{"title":1852,"icon":1853,"path":1854,"stem":1855,"children":1856,"page":59},"Bom","i-lucide-monitor","/javascript/bom","03.javascript/03.bom",[1857,1861,1865,1869],{"title":1858,"path":1859,"stem":1860},"LocalStorage, SessionStorage та patterns збереження даних","/javascript/bom/01-localstorage","03.javascript/03.bom/01-localstorage",{"title":1862,"path":1863,"stem":1864},"Location Object - Керування адресою сторінки","/javascript/bom/02-location-object","03.javascript/03.bom/02-location-object",{"title":1866,"path":1867,"stem":1868},"History API - Керування історією браузера","/javascript/bom/03-history-api","03.javascript/03.bom/03-history-api",{"title":1870,"path":1871,"stem":1872},"Navigator Object - Ідентифікація та Можливості Пристрою","/javascript/bom/04-navigator-object","03.javascript/03.bom/04-navigator-object",{"title":1874,"icon":1875,"path":1876,"stem":1877,"children":1878},"React","i-devicon-react","/javascript/react","03.javascript/04.react/index",[1879,1880,1884,1888,1892,1896,1959,1994,2146],{"title":1874,"path":1876,"stem":1877},{"title":1881,"path":1882,"stem":1883},"Робота з Формами в React","/javascript/react/react-forms","03.javascript/04.react/01.react-forms",{"title":1885,"path":1886,"stem":1887},"React Hook Form: Професійна Робота з Формами","/javascript/react/react-hook-form","03.javascript/04.react/02.react-hook-form",{"title":1889,"path":1890,"stem":1891},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","/javascript/react/react-hook-form-new","03.javascript/04.react/02.react-hook-form-new",{"title":1893,"path":1894,"stem":1895},"Axios та React: Професійна Архітектура Запитів","/javascript/react/data-fetching-axios","03.javascript/04.react/03.data-fetching-axios",{"title":1897,"icon":132,"path":1898,"stem":1899,"children":1900},"Tanstack Query","/javascript/react/tanstack-query","03.javascript/04.react/04.tanstack-query/index",[1901,1903,1907,1911,1915,1919,1923,1927,1931,1935,1939,1943,1947,1951,1955],{"title":1902,"path":1898,"stem":1899},"TanStack Query: Майстерність Керування Станом Сервера",{"title":1904,"path":1905,"stem":1906},"Парадигма Server State: Чому useEffect недостатньо","/javascript/react/tanstack-query/server-state-paradigm","03.javascript/04.react/04.tanstack-query/01.server-state-paradigm",{"title":1908,"path":1909,"stem":1910},"Встановлення та Налаштування: Фундамент","/javascript/react/tanstack-query/installation-and-devtools","03.javascript/04.react/04.tanstack-query/02.installation-and-devtools",{"title":1912,"path":1913,"stem":1914},"Основи Запитів та Магія Ключів","/javascript/react/tanstack-query/query-basics-and-keys","03.javascript/04.react/04.tanstack-query/03.query-basics-and-keys",{"title":1916,"path":1917,"stem":1918},"Синхронізація Даних: Життєвий Цикл Запиту","/javascript/react/tanstack-query/data-synchronization","03.javascript/04.react/04.tanstack-query/04.data-synchronization",{"title":1920,"path":1921,"stem":1922},"Мутації та Інвалідація: Зміна Даних","/javascript/react/tanstack-query/mutations-and-invalidation","03.javascript/04.react/04.tanstack-query/05.mutations-and-invalidation",{"title":1924,"path":1925,"stem":1926},"Оптимістичні Оновлення: Швидше за Світло","/javascript/react/tanstack-query/optimistic-updates","03.javascript/04.react/04.tanstack-query/06.optimistic-updates",{"title":1928,"path":1929,"stem":1930},"Пагінація та Infinite Scroll","/javascript/react/tanstack-query/pagination-and-load-more","03.javascript/04.react/04.tanstack-query/07.pagination-and-load-more",{"title":1932,"path":1933,"stem":1934},"Просунуті Патерни та Оптимізація","/javascript/react/tanstack-query/advanced-patterns","03.javascript/04.react/04.tanstack-query/08.advanced-patterns",{"title":1936,"path":1937,"stem":1938},"Архітектура та Best Practices","/javascript/react/tanstack-query/architecture-and-best-practices","03.javascript/04.react/04.tanstack-query/09.architecture-and-best-practices",{"title":1940,"path":1941,"stem":1942},"Server-Side Rendering (SSR) та Гідратація","/javascript/react/tanstack-query/server-side-rendering","03.javascript/04.react/04.tanstack-query/10.server-side-rendering",{"title":1944,"path":1945,"stem":1946},"Стратегії Тестування","/javascript/react/tanstack-query/testing-strategies","03.javascript/04.react/04.tanstack-query/11.testing-strategies",{"title":1948,"path":1949,"stem":1950},"Аутентифікація та Обробка Помилок","/javascript/react/tanstack-query/authentication-and-errors","03.javascript/04.react/04.tanstack-query/12.authentication-and-errors",{"title":1952,"path":1953,"stem":1954},"React Suspense та Майбутнє","/javascript/react/tanstack-query/react-suspense","03.javascript/04.react/04.tanstack-query/13.react-suspense",{"title":1956,"path":1957,"stem":1958},"Глибоке Занурення в Продуктивність","/javascript/react/tanstack-query/performance-deep-dive","03.javascript/04.react/04.tanstack-query/14.performance-deep-dive",{"title":1960,"icon":1875,"path":1961,"stem":1962,"children":1963},"React Router","/javascript/react/react-router","03.javascript/04.react/05.react-router/index",[1964,1966,1970,1974,1978,1982,1986,1990],{"title":1965,"path":1961,"stem":1962},"React Router: Навігаційна система сучасного вебу",{"title":1967,"path":1968,"stem":1969},"Налаштування та Базовий Роутинг","/javascript/react/react-router/setup-and-basic-routing","03.javascript/04.react/05.react-router/01.setup-and-basic-routing",{"title":1971,"path":1972,"stem":1973},"Динамічна Навігація","/javascript/react/react-router/navigation-and-links","03.javascript/04.react/05.react-router/02.navigation-and-links",{"title":1975,"path":1976,"stem":1977},"Вкладені Маршрути та Макети","/javascript/react/react-router/nested-routes-and-layouts","03.javascript/04.react/05.react-router/03.nested-routes-and-layouts",{"title":1979,"path":1980,"stem":1981},"Динамічні Маршрути та Параметри","/javascript/react/react-router/dynamic-routing","03.javascript/04.react/05.react-router/04.dynamic-routing",{"title":1983,"path":1984,"stem":1985},"Data APIs: Loaders та Actions","/javascript/react/react-router/data-loading","03.javascript/04.react/05.react-router/05.data-loading",{"title":1987,"path":1988,"stem":1989},"Просунуті Патерни","/javascript/react/react-router/advanced-patterns","03.javascript/04.react/05.react-router/06.advanced-patterns",{"title":1991,"path":1992,"stem":1993},"Legacy Routing: Компонентний підхід","/javascript/react/react-router/legacy-routing","03.javascript/04.react/05.react-router/07.legacy-routing",{"title":1995,"icon":132,"path":1996,"stem":1997,"children":1998},"Redux","/javascript/react/redux","03.javascript/04.react/06.redux/index",[1999,2001,2017,2046,2055,2076,2092,2121],{"title":2000,"path":1996,"stem":1997},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2002,"stem":2003,"children":2004,"page":59},"/javascript/react/redux/fundamentals","03.javascript/04.react/06.redux/01.fundamentals",[2005,2009,2013],{"title":2006,"path":2007,"stem":2008},"Вступ до State Management","/javascript/react/redux/fundamentals/intro-state-management","03.javascript/04.react/06.redux/01.fundamentals/01.intro-state-management",{"title":2010,"path":2011,"stem":2012},"Філософія Redux та Три Принципи","/javascript/react/redux/fundamentals/redux-philosophy","03.javascript/04.react/06.redux/01.fundamentals/02.redux-philosophy",{"title":2014,"path":2015,"stem":2016},"Чисті функції та Іммутабельність","/javascript/react/redux/fundamentals/pure-functions-immutability","03.javascript/04.react/06.redux/01.fundamentals/03.pure-functions-immutability",{"title":2018,"icon":132,"path":2019,"stem":2020,"children":2021,"page":59},"Classic Redux","/javascript/react/redux/classic-redux","03.javascript/04.react/06.redux/02.classic-redux",[2022,2026,2030,2034,2038,2042],{"title":2023,"path":2024,"stem":2025},"Створення Store (Classic Redux)","/javascript/react/redux/classic-redux/store-setup","03.javascript/04.react/06.redux/02.classic-redux/01.store-setup",{"title":2027,"path":2028,"stem":2029},"Actions, Constants та Action Creators","/javascript/react/redux/classic-redux/actions-constants","03.javascript/04.react/06.redux/02.classic-redux/02.actions-constants",{"title":2031,"path":2032,"stem":2033},"Логіка Reducers","/javascript/react/redux/classic-redux/reducers","03.javascript/04.react/06.redux/02.classic-redux/03.reducers",{"title":2035,"path":2036,"stem":2037},"Комбінування Reducers (Root Reducer)","/javascript/react/redux/classic-redux/data-flow","03.javascript/04.react/06.redux/02.classic-redux/04.data-flow",{"title":2039,"path":2040,"stem":2041},"Підключення до React (React-Redux)","/javascript/react/redux/classic-redux/react-redux-connection","03.javascript/04.react/06.redux/02.classic-redux/05.react-redux-connection",{"title":2043,"path":2044,"stem":2045},"Middleware та Асинхронність (Redux Thunk)","/javascript/react/redux/classic-redux/middleware-thunk","03.javascript/04.react/06.redux/02.classic-redux/06.middleware-thunk",{"title":2047,"icon":132,"path":2048,"stem":2049,"children":2050,"page":59},"Transition To Rtk","/javascript/react/redux/transition-to-rtk","03.javascript/04.react/06.redux/03.transition-to-rtk",[2051],{"title":2052,"path":2053,"stem":2054},"Проблеми класичного Redux","/javascript/react/redux/transition-to-rtk/problems-with-classic","03.javascript/04.react/06.redux/03.transition-to-rtk/01.problems-with-classic",{"title":2056,"icon":132,"path":2057,"stem":2058,"children":2059,"page":59},"Redux Toolkit","/javascript/react/redux/redux-toolkit","03.javascript/04.react/06.redux/04.redux-toolkit",[2060,2064,2068,2072],{"title":2061,"path":2062,"stem":2063},"Налаштування Store з 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дружити","/java/pr2/impedance-mismatch","04.java/pr2/09.impedance-mismatch",{"title":2285,"path":2286,"stem":2287},"JDBC: Перший контакт із базою даних","/java/pr2/jdbc-fundamentals","04.java/pr2/10.jdbc-fundamentals",{"title":2289,"path":2290,"stem":2291},"Якість коду: Spotless, SpotBugs та SonarQube","/java/pr2/10a.code-quality","04.java/pr2/10a.code-quality",{"title":2293,"path":2294,"stem":2295},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","/java/pr2/connection-pool","04.java/pr2/11.connection-pool",{"title":2297,"path":2298,"stem":2299},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","/java/pr2/row-data-gateway","04.java/pr2/12.row-data-gateway",{"title":2301,"path":2302,"stem":2303},"Table Data Gateway: Фасад таблиці як архітектурний відступ","/java/pr2/table-data-gateway","04.java/pr2/13.table-data-gateway",{"title":2305,"path":2306,"stem":2307},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","/java/pr2/repository-data-mapper","04.java/pr2/14.repository-data-mapper",{"title":2309,"path":2310,"stem":2311},"Identity Map: Кешування сутностей у рамках сесії","/java/pr2/identity-map","04.java/pr2/15.identity-map",{"title":2313,"path":2314,"stem":2315},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","/java/pr2/unit-of-work","04.java/pr2/16.unit-of-work",{"title":2317,"path":2318,"stem":2319},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","/java/pr2/strategy-sql","04.java/pr2/17.strategy-sql",{"title":2321,"path":2322,"stem":2323},"Proxy: Lazy Loading для One-To-Many колекцій","/java/pr2/proxy-lazy-loading","04.java/pr2/18.proxy-lazy-loading",{"title":2325,"path":2326,"stem":2327},"Generic Repository через Java Reflection: анотації та динамічний SQL","/java/pr2/generic-repository-reflection","04.java/pr2/19.generic-repository-reflection",{"title":2329,"path":2330,"stem":2331},"Specification Pattern: Композиція бізнес-правил для складних 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БД","/databases/intro/logical-schema","06.databases/01.intro/04.logical-schema",{"title":2381,"path":2382,"stem":2383},"Класифікація таблиць","/databases/intro/table-classification","06.databases/01.intro/05.table-classification",{"title":2385,"path":2386,"stem":2387},"PlantUML для баз даних","/databases/intro/plantuml-diagrams","06.databases/01.intro/06.plantuml-diagrams",{"title":2389,"icon":2354,"path":2390,"stem":2391,"children":2392,"page":59},"MS SQL Server Start","/databases/ms-sql-server-start","06.databases/02.ms-sql-server-start",[2393,2397,2403,2407],{"title":2394,"path":2395,"stem":2396},"Типи даних у MS SQL Server","/databases/ms-sql-server-start/data-types","06.databases/02.ms-sql-server-start/01.data-types",{"title":2398,"path":2399,"stem":2400,"children":2401},"Індекси у MS SQL 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TABLE)","/databases/sql/ddl-create-table","06.databases/03.sql/01.ddl-create-table",{"title":2425,"path":2426,"stem":2427},"DDL - Зміна та видалення таблиць (ALTER, DROP)","/databases/sql/ddl-alter-drop-table","06.databases/03.sql/02.ddl-alter-drop-table",{"title":2429,"path":2430,"stem":2431},"SELECT запити - Основи","/databases/sql/select-queries-fundamentals","06.databases/03.sql/03.select-queries-fundamentals",{"title":2433,"path":2434,"stem":2435},"SELECT запити - Розширені можливості","/databases/sql/select-queries-advanced","06.databases/03.sql/04.select-queries-advanced",{"title":2437,"path":2438,"stem":2439},"INSERT запити - Додавання даних","/databases/sql/insert-queries","06.databases/03.sql/05.insert-queries",{"title":2441,"path":2442,"stem":2443},"UPDATE та DELETE запити","/databases/sql/update-delete-queries","06.databases/03.sql/06.update-delete-queries",{"title":2445,"path":2446,"stem":2447},"Транзакції в SQL","/databases/sql/transactions","06.databases/03.sql/07.transactions",{"title":2449,"icon":2354,"path":2450,"stem":2451,"children":2452,"page":59},"Multi Table Databases","/databases/multi-table-databases","06.databases/04.multi-table-databases",[2453,2457,2461,2465,2469,2473],{"title":2454,"path":2455,"stem":2456},"Зв'язки та нормалізація БД","/databases/multi-table-databases/relationships-and-normalization","06.databases/04.multi-table-databases/00.relationships-and-normalization",{"title":2458,"path":2459,"stem":2460},"INNER JOIN - З'єднання таблиць","/databases/multi-table-databases/inner-join","06.databases/04.multi-table-databases/01.inner-join",{"title":2462,"path":2463,"stem":2464},"OUTER JOINs - LEFT, RIGHT, FULL","/databases/multi-table-databases/outer-joins","06.databases/04.multi-table-databases/02.outer-joins",{"title":2466,"path":2467,"stem":2468},"CROSS та SELF JOINs","/databases/multi-table-databases/cross-self-joins","06.databases/04.multi-table-databases/03.cross-self-joins",{"title":2470,"path":2471,"stem":2472},"Підзапити (Subqueries)","/databases/multi-table-databases/subqueries","06.databases/04.multi-table-databases/04.subqueries",{"title":2474,"path":2475,"stem":2476},"Агрегації з JOIN","/databases/multi-table-databases/aggregations-with-joins","06.databases/04.multi-table-databases/05.aggregations-with-joins",{"title":2478,"icon":2479,"path":2480,"stem":2481,"children":2482,"page":59},"Aggregate Functions","i-lucide-calculator","/databases/aggregate-functions","06.databases/05.aggregate-functions",[2483,2487,2491],{"title":2484,"path":2485,"stem":2486},"Функції агрегування в MS SQL Server","/databases/aggregate-functions/introduction-aggregate-functions","06.databases/05.aggregate-functions/01.introduction-aggregate-functions",{"title":2488,"path":2489,"stem":2490},"Групування даних в MS SQL Server","/databases/aggregate-functions/grouping-data","06.databases/05.aggregate-functions/02.grouping-data",{"title":2492,"path":2493,"stem":2494},"Підзапити з агрегатними функціями","/databases/aggregate-functions/subqueries-aggregates","06.databases/05.aggregate-functions/03.subqueries-aggregates",{"title":2496,"icon":2497,"path":2498,"stem":2499,"children":2500,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","/databases/triggers-stored-procedures","06.databases/07.triggers-stored-procedures",[2501,2505,2509,2513,2517,2521,2525],{"title":2502,"path":2503,"stem":2504},"DML-тригери","/databases/triggers-stored-procedures/dml-triggers","06.databases/07.triggers-stored-procedures/01.dml-triggers",{"title":2506,"path":2507,"stem":2508},"DDL-тригери","/databases/triggers-stored-procedures/ddl-triggers","06.databases/07.triggers-stored-procedures/02.ddl-triggers",{"title":2510,"path":2511,"stem":2512},"Transact-SQL 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Частина 2","/html-css/css-layout-grid-advanced","12.html-css/16.css-layout-grid-advanced",{"title":2861,"path":2862,"stem":2863},"Позиціонування в CSS. Z-index. Stacking Context","/html-css/css-positioning","12.html-css/17.css-positioning",{"title":2865,"path":2866,"stem":2867},"CSS Анімації та Переходи","/html-css/css-animations-transitions","12.html-css/18.css-animations-transitions",{"title":2869,"path":2870,"stem":2871},"Адаптивний дизайн. Media Queries. Частина 1","/html-css/css-responsive-media-queries","12.html-css/19.css-responsive-media-queries",{"title":2873,"path":2874,"stem":2875},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","/html-css/css-responsive-advanced","12.html-css/20.css-responsive-advanced",{"title":2877,"path":2878,"stem":2879},"CSS Custom Properties. Методології. Сучасний CSS","/html-css/css-variables-methodologies","12.html-css/21.css-variables-methodologies",{"title":2881,"path":2882,"stem":2883},"Сучасний CSS 2023–2025: Нові можливості","/html-css/css-modern-features","12.html-css/22.css-modern-features",{"title":2885,"path":2886,"stem":2887},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","/html-css/22a.css-nesting-modern-syntax","12.html-css/22a.css-nesting-modern-syntax",{"title":2889,"path":2890,"stem":2891},"CSS для форм та інтерактивних станів","/html-css/css-forms-interactive-states","12.html-css/23.css-forms-interactive-states",{"title":2893,"path":2894,"stem":2895},"Доступність у CSS (CSS Accessibility)","/html-css/css-accessibility","12.html-css/24.css-accessibility",{"title":2897,"path":2898,"stem":2899},"CSS-функції та сучасні sizing primitives","/html-css/css-functions-sizing","12.html-css/25.css-functions-sizing",{"title":2901,"path":2902,"stem":2903},"Rendering Pipeline і CSS Performance","/html-css/css-rendering-performance","12.html-css/26.css-rendering-performance",{"title":2905,"path":2906,"stem":2907},"CSS Best Practices: типові ситуації та правильні рішення","/html-css/css-best-practices","12.html-css/27.css-best-practices",{"title":2909,"path":2910,"stem":2911,"children":2912,"page":59},"Tailwind","/tailwind","21.tailwind",[2913,2917,2921,2925,2929,2933,2937,2941],{"title":2914,"path":2915,"stem":2916},"Що таке Tailwind CSS і навіщо він потрібен","/tailwind/tailwind-intro-philosophy","21.tailwind/01.tailwind-intro-philosophy",{"title":2918,"path":2919,"stem":2920},"Встановлення та налаштування Tailwind CSS v4","/tailwind/tailwind-installation-setup","21.tailwind/02.tailwind-installation-setup",{"title":2922,"path":2923,"stem":2924},"Utility-класи: основи та система Tailwind","/tailwind/tailwind-utility-classes-core","21.tailwind/03.tailwind-utility-classes-core",{"title":2926,"path":2927,"stem":2928},"Layout: Flexbox та Grid через Tailwind","/tailwind/tailwind-flexbox-grid","21.tailwind/04.tailwind-flexbox-grid",{"title":2930,"path":2931,"stem":2932},"Кастомізація теми через @theme у Tailwind v4","/tailwind/tailwind-theme-customization","21.tailwind/05.tailwind-theme-customization",{"title":2934,"path":2935,"stem":2936},"Варіанти: hover, focus, responsive, dark mode та нові v4","/tailwind/tailwind-variants-states","21.tailwind/06.tailwind-variants-states",{"title":2938,"path":2939,"stem":2940},"Типографіка та система кольорів у Tailwind v4","/tailwind/tailwind-typography-colors","21.tailwind/07.tailwind-typography-colors",{"title":2942,"path":2943,"stem":2944},"Компоненти та повторюваність: @apply, @utility та патерни","/tailwind/tailwind-components-patterns","21.tailwind/08.tailwind-components-patterns",{"title":2946,"path":2947,"stem":2948},"Showcase Компонентів kostyl.dev","/test-new-components","98.test-new-components",{"id":2950,"title":2261,"body":2951,"description":4542,"extension":4543,"links":4544,"meta":4545,"navigation":3460,"path":2262,"seo":4546,"stem":2263,"__hash__":4547},"docs/04.java/pr2/03.normalization.md",{"type":2952,"value":2953,"toc":4514},"minimark",[2954,2958,2963,2967,3029,3037,3044,3051,3096,3114,3125,3128,3132,3139,3173,3180,3208,3213,3228,3235,3243,3246,3264,3267,3271,3276,3292,3298,3300,3332,3335,3348,3350,3354,3359,3371,3374,3378,3381,3486,3490,3493,3540,3551,3553,3557,3562,3578,3589,3593,3596,3602,3605,3624,3630,3636,3639,3721,3723,3727,3732,3740,3743,3747,3756,3810,3813,3819,3826,3831,3857,3866,3868,3872,3878,3894,3897,3913,3916,3922,3933,3939,3941,3945,3955,3966,3974,3978,3983,3990,4000,4097,4100,4105,4115,4120,4123,4161,4163,4167,4170,4357,4363,4365,4369,4469,4471,4475,4478,4500,4503,4510],[2955,2956,2261],"h1",{"id":2957},"нормалізація-гігієна-даних-та-боротьба-з-аномаліями",[2959,2960,2962],"h2",{"id":2961},"вступ-коли-це-просто-працює-недостатньо","Вступ: Коли «це просто працює» — недостатньо",[2964,2965,2966],"p",{},"Уявіть таблицю, в якій зберігаються замовлення аудіокниг. Щоб не «бігати» в іншу таблицю за деталями, розробник вирішив покласти туди все одразу:",[2968,2969,2974],"pre",{"className":2970,"code":2971,"language":2972,"meta":2973,"style":2973},"language-sql shiki shiki-themes light-plus dark-plus dark-plus","-- Антиприклад: «Денормалізована» таблиця\norders(\n  order_id, user_id,\n  audiobook_title, audiobook_duration, audiobook_release_year,\n  author_first_name, author_last_name, author_bio,\n  genre_name, genre_description,\n  order_date, amount\n)\n","sql","",[2975,2976,2977,2986,2993,2999,3005,3011,3017,3023],"code",{"__ignoreMap":2973},[2978,2979,2982],"span",{"class":2980,"line":2981},"line",1,[2978,2983,2985],{"class":2984},"spJ8K","-- Антиприклад: «Денормалізована» таблиця\n",[2978,2987,2989],{"class":2980,"line":2988},2,[2978,2990,2992],{"class":2991},"sHH4Y","orders(\n",[2978,2994,2996],{"class":2980,"line":2995},3,[2978,2997,2998],{"class":2991},"  order_id, user_id,\n",[2978,3000,3002],{"class":2980,"line":3001},4,[2978,3003,3004],{"class":2991},"  audiobook_title, audiobook_duration, audiobook_release_year,\n",[2978,3006,3008],{"class":2980,"line":3007},5,[2978,3009,3010],{"class":2991},"  author_first_name, author_last_name, author_bio,\n",[2978,3012,3014],{"class":2980,"line":3013},6,[2978,3015,3016],{"class":2991},"  genre_name, genre_description,\n",[2978,3018,3020],{"class":2980,"line":3019},7,[2978,3021,3022],{"class":2991},"  order_date, amount\n",[2978,3024,3026],{"class":2980,"line":3025},8,[2978,3027,3028],{"class":2991},")\n",[2964,3030,3031,3032,3036],{},"На перший погляд — зручно: один запит і все є. Але що станеться, коли автор змінить прізвище? Доветься оновити ",[3033,3034,3035],"strong",{},"кожен рядок",", де фігурує цей автор. А якщо оновлення пройде частково — різні рядки міститимуть різні прізвища одного й того самого автора. Дані стали суперечливими.",[2964,3038,3039,3040,3043],{},"Або ще гірше: якщо всі книги певного автора були видалені — разом з ними зникне і вся інформація про нього. Ми ",[3033,3041,3042],{},"ненавмисно позбулися"," бізнес-критичних відомостей при видаленні транзакційних рядків.",[2964,3045,3046,3047,3050],{},"Ці ситуації називаються ",[3033,3048,3049],{},"аномаліями даних"," (Data Anomalies), і нормалізація є систематичним методом їх усунення.",[3052,3053,3054,3072,3084],"card-group",{},[3055,3056,3059,3062],"card",{"icon":3057,"title":3058},"i-heroicons-pencil-square","Аномалія оновлення",[2964,3060,3061],{},"Оновлення одного факту вимагає змін у багатьох рядках. Ризик часткового оновлення → дані стають суперечливими.",[2964,3063,3064,3067,3068,3071],{},[3033,3065,3066],{},"Приклад:"," зміна біографії автора в таблиці ",[2975,3069,3070],{},"orders"," — потрібно знайти і оновити всі рядки з цим автором.",[3055,3073,3076,3079],{"icon":3074,"title":3075},"i-heroicons-plus-circle","Аномалія вставки",[2964,3077,3078],{},"Неможливо вставити один факт без наявності іншого, хоча вони логічно незалежні.",[2964,3080,3081,3083],{},[3033,3082,3066],{}," не можна додати нового автора без аудіокниги, якщо дані автора зберігаються лише в таблиці замовлень.",[3055,3085,3088,3091],{"icon":3086,"title":3087},"i-heroicons-trash","Аномалія видалення",[2964,3089,3090],{},"Видалення одного факту ненавмисно знищує інший, незалежний.",[2964,3092,3093,3095],{},[3033,3094,3066],{}," при видаленні останнього замовлення книги певного автора — разом з ним зникає вся інформація про жанр, автора тощо.",[2964,3097,3098,3101,3102,3105,3106,3109,3110,3113],{},[3033,3099,3100],{},"Нормалізація"," (Normalization) — це процес реструктуризації реляційної схеми відповідно до набору формальних правил — ",[3033,3103,3104],{},"нормальних форм"," (Normal Forms). Кожна наступна форма є суворішою за попередню і усуває певний клас аномалій. На практиці переважна більшість реляційних схем доводиться до ",[3033,3107,3108],{},"третьої нормальної форми"," (3НФ) або ",[3033,3111,3112],{},"нормальної форми Бойса-Кодда"," (НФБК).",[3115,3116,3117,3120,3121,3124],"note",{},[3033,3118,3119],{},"Нормалізація — це не самоціль."," Це інструмент для досягнення двох цілей: усунення надмірності (Redundancy) та захисту від аномалій. Як і будь-який інструмент, він має межі застосування — у деяких ситуаціях ",[3033,3122,3123],{},"свідома денормалізація"," є правильним архітектурним рішенням. Але про це — ближче до кінця статті.",[3126,3127],"hr",{},[2959,3129,3131],{"id":3130},"функціональні-залежності-математична-основа-нормалізації","Функціональні залежності: Математична основа Нормалізації",[2964,3133,3134,3135,3138],{},"Нормальні форми визначаються через поняття ",[3033,3136,3137],{},"функціональної залежності"," (Functional Dependency, FD). Це не метафора — це формальний математичний концепт, на якому стоїть уся теорія нормалізації.",[2964,3140,3141,3144,3145,3148,3149,3152,3153,3156,3157,3160,3161,3163,3164,3166,3167,3169,3170,3172],{},[3033,3142,3143],{},"Визначення."," Кажуть, що атрибут (або група атрибутів) ",[2975,3146,3147],{},"Y"," ",[3033,3150,3151],{},"функціонально залежить"," від атрибута (або групи) ",[2975,3154,3155],{},"X",", і записують ",[2975,3158,3159],{},"X → Y",", якщо для кожного значення ",[2975,3162,3155],{}," існує рівно одне значення ",[2975,3165,3147],{},". Іншими словами: знаючи ",[2975,3168,3155],{},", можна однозначно визначити ",[2975,3171,3147],{},".",[2964,3174,3175,3176,3179],{},"Приклад із нашої платформи. В таблиці ",[2975,3177,3178],{},"audiobooks",":",[3181,3182,3183,3190,3196],"ul",{},[3184,3185,3186,3189],"li",{},[2975,3187,3188],{},"id → title"," — знаючи ідентифікатор аудіокниги, однозначно знаємо назву.",[3184,3191,3192,3195],{},[2975,3193,3194],{},"id → author_id"," — знаючи ідентифікатор книги, знаємо її автора.",[3184,3197,3198,3201,3202,3204,3205,3172],{},[2975,3199,3200],{},"author_id → author_last_name"," — якби прізвище автора зберігалося в ",[2975,3203,3178],{},", воно функціонально залежало б від ",[2975,3206,3207],{},"author_id",[3209,3210,3212],"h3",{"id":3211},"повна-та-часткова-залежність","Повна та часткова залежність",[2964,3214,3215,3216,3219,3220,3223,3224,3227],{},"Якщо первинний ключ є ",[3033,3217,3218],{},"складеним"," (кілька стовпців), може виникнути ситуація, коли деякий атрибут залежить лише від ",[3033,3221,3222],{},"частини"," ключа — але не від усього ключа цілком. Така залежність називається ",[3033,3225,3226],{},"частковою"," (Partial Dependency).",[2964,3229,3230,3231,3234],{},"Розглянемо гіпотетичну таблицю ",[2975,3232,3233],{},"audiobook_collection"," з доданим атрибутом назви книги:",[2968,3236,3241],{"className":3237,"code":3239,"language":3240},[3238],"language-text","audiobook_collection(collection_id, audiobook_id, audiobook_title)\nPK: (collection_id, audiobook_id)\n","text",[2975,3242,3239],{"__ignoreMap":2973},[2964,3244,3245],{},"Залежності:",[3181,3247,3248,3254],{},[3184,3249,3250,3253],{},[2975,3251,3252],{},"(collection_id, audiobook_id) → audiobook_title"," — повна? Ні.",[3184,3255,3256,3259,3260,3263],{},[2975,3257,3258],{},"audiobook_id → audiobook_title"," — назва залежить ",[3033,3261,3262],{},"лише від частини"," складеного ключа.",[2964,3265,3266],{},"Це і є часткова залежність. Вона є причиною аномалій оновлення: якщо назву книги оновити у книзі, але забути оновити у junction-таблиці — виникає суперечність.",[3209,3268,3270],{"id":3269},"транзитивна-залежність","Транзитивна залежність",[2964,3272,3273,3275],{},[3033,3274,3270],{}," (Transitive Dependency) виникає, коли неключовий атрибут залежить від іншого неключового атрибута.",[2964,3277,3278,3279,3281,3282,3284,3285,3288,3289,3179],{},"Уявімо, що в таблиці ",[2975,3280,3178],{}," зберігалися б ",[2975,3283,3207],{},", ",[2975,3286,3287],{},"author_first_name"," та ",[2975,3290,3291],{},"author_last_name",[2968,3293,3296],{"className":3294,"code":3295,"language":3240},[3238],"audiobooks(id, title, author_id, author_first_name, author_last_name, ...)\nPK: id\n",[2975,3297,3295],{"__ignoreMap":2973},[2964,3299,3245],{},[3181,3301,3302,3310],{},[3184,3303,3304,3306,3307,3309],{},[2975,3305,3194],{}," — нормально, ",[2975,3308,3207],{}," є FK.",[3184,3311,3312,3288,3315,3317,3318,3320,3321,3323,3324,3327,3328,3331],{},[2975,3313,3314],{},"author_id → author_first_name",[2975,3316,3200],{}," — ось вона, транзитивна залежність: ім'я автора залежить від ",[2975,3319,3207],{},", а ",[2975,3322,3207],{}," залежить від ",[2975,3325,3326],{},"id",". Отже ",[2975,3329,3330],{},"id → author_first_name"," — але через посередника.",[2964,3333,3334],{},"Саме наявність транзитивних залежностей є причиною аномалій оновлення прізвища автора, описаних у вступі.",[3115,3336,3337,3338,3341,3342,3344,3345,3347],{},"Те, що ми вже зробили у попередній статті — виділивши ",[2975,3339,3340],{},"Author"," в окрему таблицю і залишивши в ",[2975,3343,3178],{}," лише ",[2975,3346,3207],{}," — є точним виправленням транзитивної залежності. Нормалізація не дає нових знань; вона дає формальний інструмент для перевірки рішень, які інтуїтивно вже здаються правильними.",[3126,3349],{},[2959,3351,3353],{"id":3352},"перша-нормальна-форма-1нф-атомарність","Перша нормальна форма (1НФ): Атомарність",[2964,3355,3356],{},[3033,3357,3358],{},"Таблиця перебуває у першій нормальній формі (1НФ), якщо:",[3360,3361,3362,3365,3368],"ol",{},[3184,3363,3364],{},"Усі значення атрибутів є атомарними (неподільними).",[3184,3366,3367],{},"Немає повторюваних груп атрибутів.",[3184,3369,3370],{},"Усі рядки є унікальними (є первинний ключ).",[2964,3372,3373],{},"Ці вимоги ми вже формулювали як «правила реляційної таблиці» у попередній статті. 1НФ — це мінімальна планка для того, щоб взагалі вважати таблицю реляційною.",[3209,3375,3377],{"id":3376},"порушення-1нф-неатомарні-значення","Порушення 1НФ: Неатомарні значення",[2964,3379,3380],{},"Класичний антиприклад — зберігання списку значень в одному полі:",[3382,3383,3384,3438],"tabs",{},[3385,3386,3388,3420,3423],"tabs-item",{"label":3387},"❌ Порушення 1НФ",[2968,3389,3391],{"className":2970,"code":3390,"language":2972,"meta":2973,"style":2973},"-- ПОГАНО: кілька жанрів через кому\naudiobooks(\n  id, title, duration,\n  genres  -- \"Фантастика, Пригоди, Молодіжна\"  ← не атомарно!\n)\n",[2975,3392,3393,3398,3403,3408,3416],{"__ignoreMap":2973},[2978,3394,3395],{"class":2980,"line":2981},[2978,3396,3397],{"class":2984},"-- ПОГАНО: кілька жанрів через кому\n",[2978,3399,3400],{"class":2980,"line":2988},[2978,3401,3402],{"class":2991},"audiobooks(\n",[2978,3404,3405],{"class":2980,"line":2995},[2978,3406,3407],{"class":2991},"  id, title, duration,\n",[2978,3409,3410,3413],{"class":2980,"line":3001},[2978,3411,3412],{"class":2991},"  genres  ",[2978,3414,3415],{"class":2984},"-- \"Фантастика, Пригоди, Молодіжна\"  ← не атомарно!\n",[2978,3417,3418],{"class":2980,"line":3007},[2978,3419,3028],{"class":2991},[2964,3421,3422],{},"Проблеми:",[3181,3424,3425,3432,3435],{},[3184,3426,3427,3428,3431],{},"Пошук за жанром: ",[2975,3429,3430],{},"WHERE genres LIKE '%Фантастика%'"," — повільно і ненадійно.",[3184,3433,3434],{},"Додавання жанру вимагає парсингу і конкатенації рядка.",[3184,3436,3437],{},"Підрахунок книг у жанрі — дуже складний запит.",[3385,3439,3441,3483],{"label":3440},"✅ Відповідає 1НФ",[2968,3442,3444],{"className":2970,"code":3443,"language":2972,"meta":2973,"style":2973},"-- ДОБРЕ: окрема таблиця для зв'язку M:N з жанрами\n-- (або FK на один жанр, як у нашій поточній схемі)\n\naudiobooks(id, title, duration, genre_id) -- FK на один жанр\n-- або\naudiobook_genre(audiobook_id, genre_id)   -- junction-таблиця для M:N\n",[2975,3445,3446,3451,3456,3462,3470,3475],{"__ignoreMap":2973},[2978,3447,3448],{"class":2980,"line":2981},[2978,3449,3450],{"class":2984},"-- ДОБРЕ: окрема таблиця для зв'язку M:N з жанрами\n",[2978,3452,3453],{"class":2980,"line":2988},[2978,3454,3455],{"class":2984},"-- (або FK на один жанр, як у нашій поточній схемі)\n",[2978,3457,3458],{"class":2980,"line":2995},[2978,3459,3461],{"emptyLinePlaceholder":3460},true,"\n",[2978,3463,3464,3467],{"class":2980,"line":3001},[2978,3465,3466],{"class":2991},"audiobooks(id, title, duration, genre_id) ",[2978,3468,3469],{"class":2984},"-- FK на один жанр\n",[2978,3471,3472],{"class":2980,"line":3007},[2978,3473,3474],{"class":2984},"-- або\n",[2978,3476,3477,3480],{"class":2980,"line":3013},[2978,3478,3479],{"class":2991},"audiobook_genre(audiobook_id, genre_id)   ",[2978,3481,3482],{"class":2984},"-- junction-таблиця для M:N\n",[2964,3484,3485],{},"Кожне значення тепер атомарне. Пошук, підрахунок і зміни — прості JOIN-запити.",[3209,3487,3489],{"id":3488},"порушення-1нф-повторювані-групи","Порушення 1НФ: Повторювані групи",[2964,3491,3492],{},"Інша форма порушення — кілька аналогічних стовпців для однотипних даних:",[2968,3494,3496],{"className":2970,"code":3495,"language":2972,"meta":2973,"style":2973},"-- ПОГАНО: повторювані групи стовпців\naudiobooks(\n  id, title,\n  file_path_1, format_1, size_1,  -- перший файл\n  file_path_2, format_2, size_2,  -- другий файл\n  file_path_3, format_3, size_3   -- третій файл\n)\n",[2975,3497,3498,3503,3507,3512,3520,3528,3536],{"__ignoreMap":2973},[2978,3499,3500],{"class":2980,"line":2981},[2978,3501,3502],{"class":2984},"-- ПОГАНО: повторювані групи стовпців\n",[2978,3504,3505],{"class":2980,"line":2988},[2978,3506,3402],{"class":2991},[2978,3508,3509],{"class":2980,"line":2995},[2978,3510,3511],{"class":2991},"  id, title,\n",[2978,3513,3514,3517],{"class":2980,"line":3001},[2978,3515,3516],{"class":2991},"  file_path_1, format_1, size_1,  ",[2978,3518,3519],{"class":2984},"-- перший файл\n",[2978,3521,3522,3525],{"class":2980,"line":3007},[2978,3523,3524],{"class":2991},"  file_path_2, format_2, size_2,  ",[2978,3526,3527],{"class":2984},"-- другий файл\n",[2978,3529,3530,3533],{"class":2980,"line":3013},[2978,3531,3532],{"class":2991},"  file_path_3, format_3, size_3   ",[2978,3534,3535],{"class":2984},"-- третій файл\n",[2978,3537,3538],{"class":2980,"line":3019},[2978,3539,3028],{"class":2991},[2964,3541,3542,3543,3546,3547,3550],{},"Що, якщо книга має 4 файла? 10? Рішення очевидне: окрема таблиця ",[2975,3544,3545],{},"audiobook_files"," з FK ",[2975,3548,3549],{},"audiobook_id"," — саме так і влаштована наша схема.",[3126,3552],{},[2959,3554,3556],{"id":3555},"друга-нормальна-форма-2нф-усунення-часткових-залежностей","Друга нормальна форма (2НФ): Усунення часткових залежностей",[2964,3558,3559],{},[3033,3560,3561],{},"Таблиця перебуває у другій нормальній формі (2НФ), якщо:",[3360,3563,3564,3567],{},[3184,3565,3566],{},"Вона відповідає 1НФ.",[3184,3568,3569,3570,3573,3574,3577],{},"Кожен неключовий атрибут ",[3033,3571,3572],{},"повністю"," функціонально залежить від ",[3033,3575,3576],{},"усього"," первинного ключа (а не від його частини).",[2964,3579,3580,3581,3584,3585,3588],{},"Порушення 2НФ можливе лише у таблицях зі ",[3033,3582,3583],{},"складеним первинним ключем",". Таблиці зі сурогатним ",[2975,3586,3587],{},"UUID","-ключем автоматично відповідають 2НФ (адже у них нема «частини ключа», від якої міг би залежати атрибут).",[3209,3590,3592],{"id":3591},"приклад-часткової-залежності-та-декомпозиція","Приклад часткової залежності та декомпозиція",[2964,3594,3595],{},"Розглянемо гіпотетичну таблицю — розширену junction-таблицю, де крім пари ключів також зберігається назва книги і назва колекції:",[2968,3597,3600],{"className":3598,"code":3599,"language":3240},[3238],"audiobook_collection_bad(collection_id, audiobook_id, audiobook_title, collection_name, added_date)\nPK: (collection_id, audiobook_id)\n",[2975,3601,3599],{"__ignoreMap":2973},[2964,3603,3604],{},"Аналіз функціональних залежностей:",[3181,3606,3607,3613,3618],{},[3184,3608,3609,3612],{},[2975,3610,3611],{},"(collection_id, audiobook_id) → added_date"," ✅ — залежить від повного PK.",[3184,3614,3615,3617],{},[2975,3616,3258],{}," ❌ — часткова залежність (лише від одного поля PK).",[3184,3619,3620,3623],{},[2975,3621,3622],{},"collection_id → collection_name"," ❌ — часткова залежність.",[2964,3625,3626,3629],{},[3033,3627,3628],{},"Декомпозиція"," (розкладання на кілька таблиць з меншою кількістю залежностей):",[2968,3631,3634],{"className":3632,"code":3633,"language":3240},[3238],"audiobooks(id, title, ...)              -- audiobook_title залежить від audiobook_id\ncollections(id, name, ...)              -- collection_name залежить від collection_id\naudiobook_collection(collection_id, audiobook_id, added_date)  -- лише added_date\n",[2975,3635,3633],{"__ignoreMap":2973},[2964,3637,3638],{},"Саме так виглядає наша поточна схема — і вона відповідає 2НФ.",[3640,3641,3642],"mermaid",{},[2968,3643,3646],{"className":3644,"code":3645,"language":3640,"meta":2973,"style":2973},"language-mermaid shiki shiki-themes light-plus dark-plus dark-plus","graph LR\n    subgraph \"❌ Порушення 2НФ\"\n    A[\"audiobook_collection_bad\u003Cbr/>(collection_id, audiobook_id)\u003Cbr/>+ audiobook_title\u003Cbr/>+ collection_name\u003Cbr/>+ added_date\"]\n    end\n\n    subgraph \"✅ Відповідає 2НФ\"\n    B[\"audiobooks\u003Cbr/>(id, title, ...)\"]\n    C[\"collections\u003Cbr/>(id, name, ...)\"]\n    D[\"audiobook_collection\u003Cbr/>(collection_id, audiobook_id,\u003Cbr/>added_date)\"]\n    end\n\n    A -->|\"Декомпозиція\"| B\n    A -->|\"Декомпозиція\"| C\n    A -->|\"Декомпозиція\"| D\n",[2975,3647,3648,3653,3658,3663,3668,3672,3677,3682,3687,3693,3698,3703,3709,3715],{"__ignoreMap":2973},[2978,3649,3650],{"class":2980,"line":2981},[2978,3651,3652],{},"graph LR\n",[2978,3654,3655],{"class":2980,"line":2988},[2978,3656,3657],{},"    subgraph \"❌ Порушення 2НФ\"\n",[2978,3659,3660],{"class":2980,"line":2995},[2978,3661,3662],{},"    A[\"audiobook_collection_bad\u003Cbr/>(collection_id, audiobook_id)\u003Cbr/>+ audiobook_title\u003Cbr/>+ collection_name\u003Cbr/>+ added_date\"]\n",[2978,3664,3665],{"class":2980,"line":3001},[2978,3666,3667],{},"    end\n",[2978,3669,3670],{"class":2980,"line":3007},[2978,3671,3461],{"emptyLinePlaceholder":3460},[2978,3673,3674],{"class":2980,"line":3013},[2978,3675,3676],{},"    subgraph \"✅ Відповідає 2НФ\"\n",[2978,3678,3679],{"class":2980,"line":3019},[2978,3680,3681],{},"    B[\"audiobooks\u003Cbr/>(id, title, ...)\"]\n",[2978,3683,3684],{"class":2980,"line":3025},[2978,3685,3686],{},"    C[\"collections\u003Cbr/>(id, name, ...)\"]\n",[2978,3688,3690],{"class":2980,"line":3689},9,[2978,3691,3692],{},"    D[\"audiobook_collection\u003Cbr/>(collection_id, audiobook_id,\u003Cbr/>added_date)\"]\n",[2978,3694,3696],{"class":2980,"line":3695},10,[2978,3697,3667],{},[2978,3699,3701],{"class":2980,"line":3700},11,[2978,3702,3461],{"emptyLinePlaceholder":3460},[2978,3704,3706],{"class":2980,"line":3705},12,[2978,3707,3708],{},"    A -->|\"Декомпозиція\"| B\n",[2978,3710,3712],{"class":2980,"line":3711},13,[2978,3713,3714],{},"    A -->|\"Декомпозиція\"| C\n",[2978,3716,3718],{"class":2980,"line":3717},14,[2978,3719,3720],{},"    A -->|\"Декомпозиція\"| D\n",[3126,3722],{},[2959,3724,3726],{"id":3725},"третя-нормальна-форма-3нф-усунення-транзитивних-залежностей","Третя нормальна форма (3НФ): Усунення транзитивних залежностей",[2964,3728,3729],{},[3033,3730,3731],{},"Таблиця перебуває у третій нормальній формі (3НФ), якщо:",[3360,3733,3734,3737],{},[3184,3735,3736],{},"Вона відповідає 2НФ.",[3184,3738,3739],{},"Жоден неключовий атрибут не залежить транзитивно від первинного ключа (тобто немає залежності від іншого неключового атрибута).",[2964,3741,3742],{},"Формулювання Едгара Кодда, яке легше запам'ятати: «Кожен неключовий атрибут повинен залежати від ключа, всього ключа і нічого, крім ключа».",[3209,3744,3746],{"id":3745},"приклад-транзитивної-залежності-та-декомпозиція","Приклад транзитивної залежності та декомпозиція",[2964,3748,3749,3750,3752,3753,3755],{},"Гіпотетична денормалізована таблиця ",[2975,3751,3178],{},", де поруч із ",[2975,3754,3207],{}," зберігаються і дані автора:",[2968,3757,3759],{"className":2970,"code":3758,"language":2972,"meta":2973,"style":2973},"-- ПОГАНО: транзитивна залежність через author_id\naudiobooks_bad(\n  id, title, duration, release_year,\n  author_id,          -- FK\n  author_first_name,  -- залежить від author_id → транзитив\n  author_last_name,   -- залежить від author_id → транзитив\n  author_bio          -- залежить від author_id → транзитив\n)\n",[2975,3760,3761,3766,3771,3776,3784,3792,3799,3806],{"__ignoreMap":2973},[2978,3762,3763],{"class":2980,"line":2981},[2978,3764,3765],{"class":2984},"-- ПОГАНО: транзитивна залежність через author_id\n",[2978,3767,3768],{"class":2980,"line":2988},[2978,3769,3770],{"class":2991},"audiobooks_bad(\n",[2978,3772,3773],{"class":2980,"line":2995},[2978,3774,3775],{"class":2991},"  id, title, duration, release_year,\n",[2978,3777,3778,3781],{"class":2980,"line":3001},[2978,3779,3780],{"class":2991},"  author_id,          ",[2978,3782,3783],{"class":2984},"-- FK\n",[2978,3785,3786,3789],{"class":2980,"line":3007},[2978,3787,3788],{"class":2991},"  author_first_name,  ",[2978,3790,3791],{"class":2984},"-- залежить від author_id → транзитив\n",[2978,3793,3794,3797],{"class":2980,"line":3013},[2978,3795,3796],{"class":2991},"  author_last_name,   ",[2978,3798,3791],{"class":2984},[2978,3800,3801,3804],{"class":2980,"line":3019},[2978,3802,3803],{"class":2991},"  author_bio          ",[2978,3805,3791],{"class":2984},[2978,3807,3808],{"class":2980,"line":3025},[2978,3809,3028],{"class":2991},[2964,3811,3812],{},"Дерево залежностей:",[2968,3814,3817],{"className":3815,"code":3816,"language":3240},[3238],"id → author_id → author_first_name\nid → author_id → author_last_name\nid → author_id → author_bio\n",[2975,3818,3816],{"__ignoreMap":2973},[2964,3820,3821,3822,3825],{},"Це транзитивна залежність. Якщо автор змінить прізвище — треба оновити кожен рядок ",[2975,3823,3824],{},"audiobooks_bad",". Якщо у автора немає жодної книги — ми не можемо зберегти дані про нього (аномалія вставки).",[2964,3827,3828,3830],{},[3033,3829,3628],{}," переносить дані автора в окрему таблицю:",[2968,3832,3834],{"className":2970,"code":3833,"language":2972,"meta":2973,"style":2973},"-- ДОБРЕ: 3НФ\nauthors(id, first_name, last_name, bio)   -- author_id → author data\naudiobooks(id, title, duration, release_year, author_id)  -- лише FK\n",[2975,3835,3836,3841,3849],{"__ignoreMap":2973},[2978,3837,3838],{"class":2980,"line":2981},[2978,3839,3840],{"class":2984},"-- ДОБРЕ: 3НФ\n",[2978,3842,3843,3846],{"class":2980,"line":2988},[2978,3844,3845],{"class":2991},"authors(id, first_name, last_name, bio)   ",[2978,3847,3848],{"class":2984},"-- author_id → author data\n",[2978,3850,3851,3854],{"class":2980,"line":2995},[2978,3852,3853],{"class":2991},"audiobooks(id, title, duration, release_year, author_id)  ",[2978,3855,3856],{"class":2984},"-- лише FK\n",[2964,3858,3859,3860,3862,3863,3865],{},"Саме це і є у нашій схемі. ",[2975,3861,3178],{}," зберігає ",[2975,3864,3207],{}," як FK, а не дані автора безпосередньо.",[3126,3867],{},[2959,3869,3871],{"id":3870},"нормальна-форма-бойса-кодда-нфбк","Нормальна форма Бойса-Кодда (НФБК)",[2964,3873,3874,3877],{},[3033,3875,3876],{},"НФБК"," (Boyce-Codd Normal Form, BCNF) — посилена версія 3НФ, сформульована Раймондом Бойсом (Raymond Boyce) та Едгаром Коддом у 1974 році.",[2964,3879,3880,3883,3884,3886,3887,3889,3890,3893],{},[3033,3881,3882],{},"Таблиця відповідає НФБК, якщо"," для кожної нетривіальної функціональної залежності ",[2975,3885,3159],{}," атрибут ",[2975,3888,3155],{}," є ",[3033,3891,3892],{},"суперключем"," (тобто однозначно визначає весь рядок).",[2964,3895,3896],{},"Різниця між 3НФ і НФБК проявляється лише у таблицях, де:",[3181,3898,3899,3906],{},[3184,3900,3901,3902,3905],{},"є ",[3033,3903,3904],{},"кілька складених кандидатних ключів",", і",[3184,3907,3908,3909,3912],{},"вони ",[3033,3910,3911],{},"перекриваються"," (мають спільні атрибути).",[2964,3914,3915],{},"Це досить рідкісна ситуація. Розглянемо класичний приклад:",[2968,3917,3920],{"className":3918,"code":3919,"language":3240},[3238],"Schedule(student, course, instructor)\n-- Правила:\n-- кожен студент на курсі призначається до одного викладача: (student, course) → instructor\n-- кожен викладач веде лише один курс: instructor → course\n-- Кандидатні ключі: (student, course) і (student, instructor)\n",[2975,3921,3919],{"__ignoreMap":2973},[2964,3923,3924,3925,3928,3929,3932],{},"Тут ",[2975,3926,3927],{},"instructor → course"," — це залежність, де ",[2975,3930,3931],{},"instructor"," не є суперключем. Це порушення НФБК, навіть якщо 3НФ виконана.",[3115,3934,3935,3938],{},[3033,3936,3937],{},"На практиці схема аудіоплатформи відповідає НФБК цілком."," Всі таблиці мають єдиний простий PK (UUID) без перекриваючихся кандидатних ключів. Більшість реальних схем, що відповідають 3НФ і спроектовані із сурогатними ключами, автоматично задовольняють і вимоги НФБК. Це ще одна перевага сурогатних ключів перед складеними натуральними.",[3126,3940],{},[2959,3942,3944],{"id":3943},"свідома-денормалізація-виправданий-компроміс","Свідома денормалізація: Виправданий Компроміс",[2964,3946,3947,3948,3951,3952,3954],{},"Нормалізація — потужний інструмент, але вона має ціну. Нормалізована схема потребує ",[2975,3949,3950],{},"JOIN","-запитів для отримання пов'язаних даних, а ",[2975,3953,3950],{}," — це операція, яка може бути дорогою при великих обсягах даних та високих навантаженнях.",[2964,3956,3957,3958,3961,3962,3965],{},"Є ситуації, коли ",[3033,3959,3960],{},"навмисне» порушення нормальних форм виправдане і навіть необхідне"," з точки зору продуктивності або зручності роботи. Такий прийом називається ",[3033,3963,3964],{},"денормалізацією"," (Denormalization).",[3967,3968,3969,3970,3973],"warning",{},"Денормалізація — це ",[3033,3971,3972],{},"свідомий, задокументований компроміс",", а не виправдання для ліні або поспіху при проектуванні. Вона повинна вводитися на основі вимірювань продуктивності (профайлінгу), а не припущень.",[3209,3975,3977],{"id":3976},"типові-сценарії-денормалізації","Типові сценарії денормалізації",[2964,3979,3980],{},[3033,3981,3982],{},"1. Кешування агрегованих значень",[2964,3984,3985,3986,3989],{},"Уявімо, що сторінка профілю користувача показує кількість його колекцій і загальну кількість прослуханих аудіокниг. Нормалізована версія вимагає ",[2975,3987,3988],{},"COUNT(*)"," з JOIN при кожному завантаженні сторінки.",[2964,3991,3992,3993,3996,3997,3179],{},"Денормалізований підхід — додати стовпець ",[2975,3994,3995],{},"audiobook_count"," до таблиці ",[2975,3998,3999],{},"collections",[2968,4001,4003],{"className":2970,"code":4002,"language":2972,"meta":2973,"style":2973},"ALTER TABLE collections ADD COLUMN audiobook_count INTEGER DEFAULT 0;\n\n-- При додаванні до колекції:\nUPDATE collections SET audiobook_count = audiobook_count + 1\nWHERE id = :collection_id;\n\n-- При видаленні:\nUPDATE collections SET audiobook_count = audiobook_count - 1\nWHERE id = :collection_id;\n",[2975,4004,4005,4036,4040,4045,4061,4069,4073,4078,4091],{"__ignoreMap":2973},[2978,4006,4007,4011,4014,4017,4020,4023,4026,4029,4033],{"class":2980,"line":2981},[2978,4008,4010],{"class":4009},"su1O8","ALTER",[2978,4012,4013],{"class":4009}," TABLE",[2978,4015,4016],{"class":2991}," collections ",[2978,4018,4019],{"class":4009},"ADD",[2978,4021,4022],{"class":2991}," COLUMN audiobook_count ",[2978,4024,4025],{"class":4009},"INTEGER",[2978,4027,4028],{"class":4009}," DEFAULT",[2978,4030,4032],{"class":4031},"sJj4R"," 0",[2978,4034,4035],{"class":2991},";\n",[2978,4037,4038],{"class":2980,"line":2988},[2978,4039,3461],{"emptyLinePlaceholder":3460},[2978,4041,4042],{"class":2980,"line":2995},[2978,4043,4044],{"class":2984},"-- При додаванні до колекції:\n",[2978,4046,4047,4050,4052,4055,4058],{"class":2980,"line":3001},[2978,4048,4049],{"class":4009},"UPDATE",[2978,4051,4016],{"class":2991},[2978,4053,4054],{"class":4009},"SET",[2978,4056,4057],{"class":2991}," audiobook_count = audiobook_count + ",[2978,4059,4060],{"class":4031},"1\n",[2978,4062,4063,4066],{"class":2980,"line":3007},[2978,4064,4065],{"class":4009},"WHERE",[2978,4067,4068],{"class":2991}," id = :collection_id;\n",[2978,4070,4071],{"class":2980,"line":3013},[2978,4072,3461],{"emptyLinePlaceholder":3460},[2978,4074,4075],{"class":2980,"line":3019},[2978,4076,4077],{"class":2984},"-- При видаленні:\n",[2978,4079,4080,4082,4084,4086,4089],{"class":2980,"line":3025},[2978,4081,4049],{"class":4009},[2978,4083,4016],{"class":2991},[2978,4085,4054],{"class":4009},[2978,4087,4088],{"class":2991}," audiobook_count = audiobook_count - ",[2978,4090,4060],{"class":4031},[2978,4092,4093,4095],{"class":2980,"line":3689},[2978,4094,4065],{"class":4009},[2978,4096,4068],{"class":2991},[2964,4098,4099],{},"Тепер читання кількості - миттєве. Але виникає нова відповідальність: повсюди, де змінюється вміст колекції, треба оновлювати і лічильник. Якщо десь пропустити — число стане некоректним.",[2964,4101,4102],{},[3033,4103,4104],{},"2. Матеріалізовані поля для пошуку",[2964,4106,4107,4108,4111,4112,4114],{},"Якщо на сторінці каталогу потрібно відображати «Автор: Іван Коваль» поруч з аудіокнигою — можна додати ",[2975,4109,4110],{},"author_display_name VARCHAR(130)"," прямо в ",[2975,4113,3178],{}," і оновлювати його тригером або при зміні автора.",[2964,4116,4117],{},[3033,4118,4119],{},"3. Дублювання для аудиту / снепшотів",[2964,4121,4122],{},"У фінансових системах суму замовлення зберігають безпосередньо у рядку замовлення, навіть якщо ціна товару зберігається окремо. Це не аномалія — це навмисна фіксація факту: «на момент покупки ціна була такою». Дані змінюватимуться, але зафіксований знімок — ні.",[3052,4124,4125,4143],{},[3055,4126,4129],{"icon":4127,"title":4128},"i-heroicons-check-circle","Коли нормалізувати",[3181,4130,4131,4134,4137,4140],{},[3184,4132,4133],{},"На етапі проектування (завжди починайте нормалізованою)",[3184,4135,4136],{},"Коли цілісність даних важливіша за швидкість читання",[3184,4138,4139],{},"Коли дані часто оновлюються або видаляються",[3184,4141,4142],{},"OLTP-системи (Online Transaction Processing)",[3055,4144,4147],{"icon":4145,"title":4146},"i-heroicons-bolt","Коли денормалізувати",[3181,4148,4149,4152,4155,4158],{},[3184,4150,4151],{},"Після виміряної проблеми з продуктивністю",[3184,4153,4154],{},"Для даних, що переважно читаються (рідко оновлюються)",[3184,4156,4157],{},"Аналітичні запити, звіти (OLAP — Online Analytical Processing)",[3184,4159,4160],{},"Кешування агрегатів при стабільних правилах оновлення",[3126,4162],{},[2959,4164,4166],{"id":4165},"аудит-схеми-аудіоплатформи","Аудит схеми аудіоплатформи",[2964,4168,4169],{},"Перевіримо кожну таблицю нашої схеми на відповідність нормальним формам:",[4171,4172,4173,4195],"table",{},[4174,4175,4176],"thead",{},[4177,4178,4179,4183,4186,4189,4192],"tr",{},[4180,4181,4182],"th",{},"Таблиця",[4180,4184,4185],{},"1НФ",[4180,4187,4188],{},"2НФ",[4180,4190,4191],{},"3НФ",[4180,4193,4194],{},"Коментар",[4196,4197,4198,4218,4236,4257,4276,4296,4311,4332],"tbody",{},[4177,4199,4200,4206,4209,4211,4213],{},[4201,4202,4203],"td",{},[2975,4204,4205],{},"authors",[4201,4207,4208],{},"✅",[4201,4210,4208],{},[4201,4212,4208],{},[4201,4214,4215,4216],{},"Простий UUID PK, всі атрибути атомарні й залежать лише від ",[2975,4217,3326],{},[4177,4219,4220,4225,4227,4229,4231],{},[4201,4221,4222],{},[2975,4223,4224],{},"genres",[4201,4226,4208],{},[4201,4228,4208],{},[4201,4230,4208],{},[4201,4232,4233,4234],{},"Аналогічно ",[2975,4235,4205],{},[4177,4237,4238,4242,4244,4246,4248],{},[4201,4239,4240],{},[2975,4241,3178],{},[4201,4243,4208],{},[4201,4245,4208],{},[4201,4247,4208],{},[4201,4249,4250,4251,3288,4253,4256],{},"FK ",[2975,4252,3207],{},[2975,4254,4255],{},"genre_id"," — лише посилання, не дані",[4177,4258,4259,4264,4266,4268,4270],{},[4201,4260,4261],{},[2975,4262,4263],{},"users",[4201,4265,4208],{},[4201,4267,4208],{},[4201,4269,4208],{},[4201,4271,4272,4275],{},[2975,4273,4274],{},"email"," — атомарне значення, немає транзитивних залежностей",[4177,4277,4278,4282,4284,4286,4288],{},[4201,4279,4280],{},[2975,4281,3999],{},[4201,4283,4208],{},[4201,4285,4208],{},[4201,4287,4208],{},[4201,4289,4290,4293,4294],{},[2975,4291,4292],{},"user_id"," — FK, інші атрибути залежать лише від ",[2975,4295,3326],{},[4177,4297,4298,4302,4304,4306,4308],{},[4201,4299,4300],{},[2975,4301,3233],{},[4201,4303,4208],{},[4201,4305,4208],{},[4201,4307,4208],{},[4201,4309,4310],{},"Складений PK із двох FK, немає власних атрибутів",[4177,4312,4313,4317,4319,4321,4323],{},[4201,4314,4315],{},[2975,4316,3545],{},[4201,4318,4208],{},[4201,4320,4208],{},[4201,4322,4208],{},[4201,4324,4325,4328,4329,4331],{},[2975,4326,4327],{},"format"," — ENUM (атомарний), ",[2975,4330,3549],{}," — FK",[4177,4333,4334,4339,4341,4343,4345],{},[4201,4335,4336],{},[2975,4337,4338],{},"listening_progresses",[4201,4340,4208],{},[4201,4342,4208],{},[4201,4344,4208],{},[4201,4346,4347,3288,4350,4353,4354,4356],{},[2975,4348,4349],{},"position",[2975,4351,4352],{},"last_listened"," залежать від ",[2975,4355,3326],{},", не один від одного",[2964,4358,4359,4362],{},[3033,4360,4361],{},"Висновок:"," Схема аудіоплатформи відповідає 3НФ (і НФБК) цілком. Жодна таблиця не містить аномалій. Цей результат є прямим наслідком правильного логічного моделювання, виконаного у попередній статті: виділення окремих таблиць для кожної сутності є практичним вираженням вимог нормалізації.",[3126,4364],{},[2959,4366,4368],{"id":4367},"практичні-завдання","Практичні завдання",[4370,4371,4372,4376,4379,4385,4390,4401,4405,4408,4414,4418,4436,4440,4443,4454,4458],"steps",{},[3209,4373,4375],{"id":4374},"рівень-1-базовий-визначення-аномалій","Рівень 1 — Базовий: Визначення аномалій",[2964,4377,4378],{},"Дана таблиця:",[2968,4380,4383],{"className":4381,"code":4382,"language":3240},[3238],"student_courses(student_id, student_name, student_email,\n                course_id, course_title, instructor_name,\n                grade, enrollment_date)\n",[2975,4384,4382],{"__ignoreMap":2973},[2964,4386,4387],{},[3033,4388,4389],{},"Завдання:",[3360,4391,4392,4395,4398],{},[3184,4393,4394],{},"Визначте, яким нормальним формам відповідає ця таблиця (обґрунтуйте кожну).",[3184,4396,4397],{},"Наведіть конкретний приклад аномалії оновлення.",[3184,4399,4400],{},"Наведіть приклад аномалії видалення.",[3209,4402,4404],{"id":4403},"рівень-2-декомпозиція-нормалізація-до-3нф","Рівень 2 — Декомпозиція: Нормалізація до 3НФ",[2964,4406,4407],{},"Задана ненормалізована таблиця інтернет-магазину:",[2968,4409,4412],{"className":4410,"code":4411,"language":3240},[3238],"orders(order_id, customer_id, customer_name, customer_email,\n       product_id, product_name, product_category, category_description,\n       quantity, unit_price, total_price, order_date)\n",[2975,4413,4411],{"__ignoreMap":2973},[2964,4415,4416],{},[3033,4417,4389],{},[3360,4419,4420,4423,4426,4429],{},[3184,4421,4422],{},"Знайдіть усі функціональні залежності.",[3184,4424,4425],{},"Виявте порушення 1НФ, 2НФ, 3НФ (якщо є).",[3184,4427,4428],{},"Виконайте декомпозицію до 3НФ — перелічіть нові таблиці зі стовпцями.",[3184,4430,4431,4432,4435],{},"Чи ",[2975,4433,4434],{},"total_price"," є похідним атрибутом? Аргументуйте, чи варто його зберігати.",[3209,4437,4439],{"id":4438},"рівень-3-проектування-нормалізація-vs-денормалізація","Рівень 3 — Проектування: Нормалізація vs Денормалізація",[2964,4441,4442],{},"Система аналітики платформи аудіокниг повинна відповідати на такі запити у реальному часі:",[3181,4444,4445,4448,4451],{},[3184,4446,4447],{},"«Скільки хвилин прослухав кожен користувач за останній місяць?»",[3184,4449,4450],{},"«Які 10 найпопулярніших аудіокниг за кількістю слухачів?»",[3184,4452,4453],{},"«Середній рейтинг кожного автора?»",[2964,4455,4456],{},[3033,4457,4389],{},[3360,4459,4460,4463,4466],{},[3184,4461,4462],{},"Які таблиці та з'єднання (JOIN) потребують ці запити у нормалізованій схемі?",[3184,4464,4465],{},"Де є сенс ввести денормалізацію? Запропонуйте конкретні стовпці/таблиці.",[3184,4467,4468],{},"Які ризики несе кожна з ваших денормалізацій? Як їх мінімізувати?",[3126,4470],{},[2959,4472,4474],{"id":4473},"підсумок","Підсумок",[2964,4476,4477],{},"Нормалізація — це не бюрократія і не академічна формальність. Це систематичний метод, що захищає схему від трьох класів аномалій: оновлення, вставки та видалення.",[3181,4479,4480,4485,4490,4495],{},[3184,4481,4482,4484],{},[3033,4483,4185],{}," усуває неатомарні значення та повторювані групи.",[3184,4486,4487,4489],{},[3033,4488,4188],{}," усуває часткові залежності від складеного ключа.",[3184,4491,4492,4494],{},[3033,4493,4191],{}," усуває транзитивні залежності між неключовими атрибутами.",[3184,4496,4497,4499],{},[3033,4498,3876],{}," закриває рідкісні випадки з перекриваючимися кандидатними ключами.",[2964,4501,4502],{},"Схема аудіоплатформи відповідає 3НФ/НФБК — не тому, що ми спеціально «нормалізували», а тому, що правильне логічне моделювання природньо приводить до нормалізованої структури.",[2964,4504,4505,4506,4509],{},"У наступній статті ми перейдемо до ",[3033,4507,4508],{},"фізичного рівня",": перетворимо логічну схему на реальний DDL-код, дослідимо специфіку типів даних H2, синтаксис обмежень та стратегії індексування.",[4511,4512,4513],"style",{},"html pre.shiki code .spJ8K, html code.shiki .spJ8K{--shiki-light:#008000;--shiki-default:#6A9955;--shiki-dark:#6A9955}html pre.shiki code .sHH4Y, html code.shiki .sHH4Y{--shiki-light:#000000;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .su1O8, html code.shiki .su1O8{--shiki-light:#0000FF;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki code .sJj4R, html code.shiki .sJj4R{--shiki-light:#098658;--shiki-default:#B5CEA8;--shiki-dark:#B5CEA8}",{"title":2973,"searchDepth":2988,"depth":2988,"links":4515},[4516,4517,4521,4525,4528,4531,4532,4535,4536,4541],{"id":2961,"depth":2988,"text":2962},{"id":3130,"depth":2988,"text":3131,"children":4518},[4519,4520],{"id":3211,"depth":2995,"text":3212},{"id":3269,"depth":2995,"text":3270},{"id":3352,"depth":2988,"text":3353,"children":4522},[4523,4524],{"id":3376,"depth":2995,"text":3377},{"id":3488,"depth":2995,"text":3489},{"id":3555,"depth":2988,"text":3556,"children":4526},[4527],{"id":3591,"depth":2995,"text":3592},{"id":3725,"depth":2988,"text":3726,"children":4529},[4530],{"id":3745,"depth":2995,"text":3746},{"id":3870,"depth":2988,"text":3871},{"id":3943,"depth":2988,"text":3944,"children":4533},[4534],{"id":3976,"depth":2995,"text":3977},{"id":4165,"depth":2988,"text":4166},{"id":4367,"depth":2988,"text":4368,"children":4537},[4538,4539,4540],{"id":4374,"depth":2995,"text":4375},{"id":4403,"depth":2995,"text":4404},{"id":4438,"depth":2995,"text":4439},{"id":4473,"depth":2988,"text":4474},"Від хаотичних таблиць до елегантних структур. Розбираємо 1НФ, 2НФ, 3НФ та НФБК на прикладі аудіоплатформи — і вчимося свідомо порушувати правила там, де це виправдано.","md",null,{},{"title":2261,"description":4542},"Pn1VHabHl2DeX-kmIdMoKIDmuvVkV2cHVOV229_Wox4",[4549,4551],{"title":2257,"path":2258,"stem":2259,"description":4550,"children":-1},"Трансформація ER-діаграми у реляційну схему. Правила відображення сутностей і зв'язків, вибір первинних ключів та обмеження цілісності — на прикладі аудіоплатформи.",{"title":2265,"path":2266,"stem":2267,"description":4552,"children":-1},"Матеріалізуємо логічну схему в реальний SQL. Типи даних, обмеження, індекси та DML — повний DDL платформи аудіокниг на діалекті H2 з нотатками для PostgreSQL.",1777909223463]