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STDDEV_SAMP

Calculate sample standard deviation. This function computes the standard deviation assuming the set of values represents a sample of the population.

Syntax

STDDEV_SAMP(expr)

Returns the sample standard deviation of expr (the square root of ).

It is an , and so can be used with the clause.

STDDEV_SAMP() can be used as a .

STDDEV_SAMP() returns NULL if there were no matching rows.

_{This page is licensed: GPLv2, originally from}

Calculate sample standard deviation. This function computes the standard deviation assuming the set of values represents a sample of the population.

STDDEV_SAMP(expr)

Returns the sample standard deviation of expr (the square root of ).

It is an , and so can be used with the clause.

STDDEV_SAMP() can be used as a .

STDDEV_SAMP() returns NULL if there were no matching rows.

_{This page is licensed: GPLv2, originally from}