Data Control Language (DCL). Операторы определения доступа к данным языка T-SQL (основы)

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26 Apr 2023

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В этом видео мы поговорим об операторах определения доступа к данным (Data Control Language – DCL) языка T-SQL и рассмотрим несколько примеров их использования. Язык SQL, с точки зрения реализации, представляет собой набор операторов, которые делятся на определенные группы, и у каждой группы есть свое назначение. Так вот DCL – это одна из таких групп. Data Control Language (DCL) – это группа операторов определения доступа к данным. Иными словами, это операторы для управления разрешениями, с помощью них мы можем разрешать или запрещать выполнение определенных операций над объектами базы данных. К операторам DCL относятся: • GRANT • REVOKE • DENY Подробная статья на эту тему Что такое DDL, DML, DCL и TCL в языке SQL Курсы по T-SQL Книга по основам SQL ВКонтакте Твиттер Одноклассники Facebook Подписаться на канал #SQL #DCL #TSQL #DataControlLanguage #SQLServer #ОператорыSQL

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