super market, Database Management System

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Answer, what is database management system? & why it is required?

what is database management system? & why it is required?

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What is trigger?  Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.

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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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Vertical Fragmentation- Vertical fragmentation groups together only those attributes in a relation that are used jointly by various important transactions. A vertical fragment is d

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