VARP
Returns the statistical variance for the population for all values in the specified expression.
Syntax
VARP ( [ ALL | DISTINCT ] expression ) OVER ( [ partition_by_clause ] order_by_clause )
Arguments
expression
Is an expression of the exact numeric or approximate numeric data type category, except for the bit data type. Aggregate functions and subqueries are not permitted.
Return types
float
Examples
SELECT VARP([IntNotNullColumn]) AS [Var] FROM [IntTable]