Explain Function in SQL.

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written 7.1 years ago by

meghalikalyankar • 2.3k

SQL Functions

SQL provides many built-in functions to perform operations on data. These functions are useful while performing Mathematical calculations, string concatenations, sub-strings etc.

SQL functions are divided into two catagories,

Aggregrate Functions
Scalar Functions

Aggregrate Functions:

These functions return a single value after calculating from a group of values. …

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