LOG10

Returns the base 10 logarithm of the argument, also known as the common logarithm.

Returns the base 10 logarithm of the argument, also known as the common logarithm. The data type of the return value is the same as the data type of the passed parameter.

Behavior type

Immutable

Syntax

LOG10 ( expression )

Parameters

expression
An expression of type INTEGER or DOUBLE PRECISION

Examples

=> SELECT LOG10(30);
       LOG10
------------------
 1.47712125471966
(1 row)