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MySQLLOG() Function

Example

Return the natural logarithm of 2:

SELECT LOG(2);
Try it Yourself »

Definition and Usage

The LOG() function returns the natural logarithm of a specifiednumber, or the logarithm of thenumber to the specifiedbase.

Note: See also theLN() andEXP() functions.

Syntax

LOG(number)

OR:

LOG(base, number)

Parameter Values

ParameterDescription
numberRequired. A number. Must be greater than 0
baseThe base ofnumber. Must be greater than 1

Technical Details

Works in:From MySQL 4.0

More Examples

Example

Return the natural logarithm of 4 to a specified base (2):

SELECT LOG(2, 4);
Try it Yourself »

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