# sqrt¶

## Description¶

Returns the square root for a given input and null if input is negative.

numeric

## Domain¶

This is a scalar function (calculates a single output value for a single input row.)

## Usage¶

sqrt( arg )


Argument

Type

Required

Multiple

arg

numeric

Required

Only one

## Examples¶

make_col squareroot:sqrt(@.x)


Create a column ‘squareroot’ with the result of the square root of column ‘x’