MySQL LOG10() Function

Return the base-10 logarithm of 2:

SELECT LOG10(2);

Definition and Usage

The LOG10() function returns the natural logarithm of a number to base-10.

Note: See also the LOG() function.

LOG10( number)

Parameter	Description
number	A number greater than 0

Works in:	From MySQL 4.0

Return the base-10 logarithm of 4.5:

SELECT LOG10(4.5);