> ## Documentation Index
> Fetch the complete documentation index at: https://www.integrate.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# ETL: SQRT

> Calculate the positive square root of a numeric expression in your ETL pipeline. Use SQRT for mathematical computations and data transformations.

## Description

Returns the square root of a number.

## Syntax

`SQRT(numeric_expression)`

## Examples

`SQRT(16)` returns 4.

## Return value datatype

Double

## Impact of null value

If input is null, returns null.