primary key, Database Management System

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what is primary key

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2phase locking, we need example of 2phase locking

we need example of 2phase locking

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What is known as fudge factor? The number of partitions is enhanced by a small value called the fudge factor, which is usually 20 percent of the number of hash partitions compu

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Having Clause with sub queries: First we have to recollect the GROUP BYclause. The following query searches the minimum salary in every department. SELECT DEPTNO, MIN (SAL)

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Which is the properties of entities? Attributes is the properties of entities.

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