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FUNCTIONS / AGGREGATE FUNCTIONS

stddev

Read PG 18 manual ↗

This is a historical alias for stddev_samp.

Signatures & examples

stddev ( numeric_type ) → double precision for real or double precision, otherwise numeric
This is a historical alias for stddev_samp.
Version history 1
  1. PG 12 → 13changed

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source