var_samp ( numeric_type ) → double precision for real or double precision, otherwise numericComputes the sample variance of the input values (square of the sample standard deviation).
var_samp
Computes the sample variance of the input values (square of the sample standard deviation).
English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.
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Definition PG 18
Computes the sample variance of the input values (square of the sample standard deviation).
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center · PostgreSQL 18 · wiki-repair-20261023:33da36661c87de76ce9d85c101df865cf8af97a5f4c1fbb04570e0b73252a1da
Text language: en · wiki-repair-20261023:33da36661c87de76ce9d85c101df865cf8af97a5f4c1fbb04570e0b73252a1da