MySQL LOG() Function

Return the natural logarithm of 2

Definition and Usage

The LOG() function returns the natural logarithm of a specified number, or the logarithm of the number to the specified base.

Note: See also the LN() and EXP() functions.

LOG(number)

OR:

LOG(base, number)

Parameter	Description
number	Required. A number. Must be greater than 0
base	The base of number. Must be greater than 1

Works in:	From MySQL 4.0

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

SELECT LOG(2, 4);

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