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VAR Function

Posted By: Sarita Patel     Category: SQL Server     Views: 8953

This article explains the use of VAR function in sql server with example.

VAR function is used to perform statistical variance of all values in the given expression.It can be used with numeric type columns only. Null values are ignored while performing variance of an expression.



Syntax of VAR function :

VAR (expression )

Expression is avalid expression in sql sever of type numeric except bit data type.

Return type of VAR function is float.


Example of VAR function :


FROM    Products




Above example returns statistical variance of royalty column.




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Sarita Patel
Sarita Patel author of VAR Function is from United States.
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