STDEVP

Returns the statistical standard deviation for the population for all values in the specified expression.

Syntax

STDEVP ( [ ALL | DISTINCT ] expression )   
  OVER ( [ partition_by_clause ] order_by_clause )

Arguments

expression

Is a numeric expression. Aggregate functions and subqueries are not permitted. expression is an expression of the exact numeric or approximate numeric data type category, except for the bit data type.

Return types

float

Example

SELECT STDEVP([IntNotNullColumn]) AS [StdevP] FROM [IntTable]

See Also

• Aggregate functions