> ## 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: LOG

> Compute the natural logarithm (base e) of a numeric value in your ETL pipeline. Use LOG for logarithmic data transformations and calculations.

## Description

Returns the natural logarithm of a number.

## Syntax

`LOG(numeric_expression)`

## Examples

`LOG(100)` returns 4.605.

## Return value datatype

Double

## Impact of null value

If input is null, returns null.