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STDEV « Analytical Functions « SQL Server / T-SQL Tutorial
SQL Server / T-SQL Tutorial
Analytical Functions
STDEV
14.10.STDEV
14.10.1.
Aggregate Functions STDEV and STDEVP
14.10.2.
STDEV() Function is a calculation based on the variance of a numeric range of values.
14.10.3.
STDEV returns the standard deviation of all the values provided in the expression, based on a sample of the data population.