Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All
Collapse the table of content
Expand the table of content
Expand Minimize

STDEVP (Transact-SQL)

Returns the statistical standard deviation for the population for all values in the specified expression. May be followed by the OVER clause.

Topic link icon Transact-SQL Syntax Conventions

STDEVP ( [ ALL | DISTINCT ] expression ) 


Applies the function to all values. ALL is the default.


Specifies that each unique value is considered.


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.

If STDEVP is used on all items in a SELECT statement, each value in the result set is included in the calculation. STDEVP can be used with numeric columns only. Null values are ignored.

The following example returns the standard deviation for the population for all bonus values in the SalesPerson table.

USE AdventureWorks;
FROM Sales.SalesPerson;
Was this page helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

© 2015 Microsoft