database relational model, Database Management System

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what do you mean by primary key constraint?

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Define multivalued dependency and 4nf, Define multivalued dependency and 4N...

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Sql, sql is relationally complete-justify

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Illustrate different types of locks in sql server, Illustrate different typ...

Illustrate different types of Locks in SQL Server. There are three kinds of locks in SQL Server i.) Shared locks - These are used for operations which don't allow any update

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