primary key, Database Management System

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What are the two types of indices? The two types of indices are:- A)     Dense index B)      Sparse index

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Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex

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In tuple relational calculus P1 → P2 is equivalent to ? A In tuple relational calculus P1→  P2 is equivalent to ¬P1 V P2. (The logical implication expression A  B, meaning

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What is the role of ORDER By Clause? ORDER BY clause: The ORDER BY clause permits you to sort the records in your result set. The ORDER BY clause can just be used in select s

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