STDDEV_POP( )

This MySQL function returns the population standard deviation of the given column.

Syntax

Below is the syntax for this command. Text within square brackets (i.e, [ and ] ) are optional. Choices are separated by bars (i.e, | ). Ellipses preceded by a comma indicates a repeating pattern. Ellipses before or after syntax are used to highlight a relevant except from the larger syntax. Text displayed in italic letters represent text that should be replaced with the specific names related to the database (e.g., column with the name of the column).

STDDEV_POP(expression)

Explanation

This function returns the population standard deviation of the given column. It was added in version 5.0.3 of MySQL for compliance with SQL standards. This function is an alias for STDDEV(); see the description of that function for an example of its use.