Discuss the count function, Database Management System

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Discuss the count function?

The COUNT function used returns the number of tuples or values fixed in a query.

The count function comprises two types of syntax: (1) COUNT (*) - returns the number of  rows in the result query, (2) COUNT ([DISTINCT] ) - in this means, the NULL values are discarded and if employed then the duplicates are as well discarded in the count.


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