DLOG10 function - Amazon Redshift
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

DLOG10 function

The DLOG10 returns the base 10 logarithm of the input parameter.

Synonym of LOG function.

Syntax

DLOG10(number)

Argument

number

The input parameter is a DOUBLE PRECISION number.

Return type

DOUBLE PRECISION

Example

To return the base 10 logarithm of the number 100, use the following example.

SELECT DLOG10(100); +--------+ | dlog10 | +--------+ | 2 | +--------+