database relational model, Database Management System

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what do you mean by primary key constraint?

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Failure Controlling Methods: Failures can be handled using different recovery methods that are talk about later in the unit. But the first question is doing we really require recov

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List two restrictions that are applied on the modification (updation, insertion or deletion) of base tables through view.  Ans: The two restrictions are: 1. If a view

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Describe analysis of access paths, Describe analysis of access paths To...

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