sqrt

Square root

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

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group: math
group label: 数学函数和操作符
lang: en
layout: table-new
pages: functions-math.html
prose only: false

Definition PG 18

Square root

Signatures and overloads

sqrt ( numeric ) → numeric → numeric

Square root

sqrt ( double precision ) → double precision → double precision

Square root

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Complete source facts

documentation revision

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Source references

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:4be78310d5d6960e79470ef34e2d9729596126ffc561678d8a04c800b583b33f

Text language: en · wiki-repair-20261023:4be78310d5d6960e79470ef34e2d9729596126ffc561678d8a04c800b583b33f