Returns the base 10 logarithm of a number.

Syntax

LOG10( numeric-expression )

Parameters

Remarks

The argument is an expression that returns the value of any built-in numeric data type.

This function converts its argument to DOUBLE, performs the computation in double-precision floating point, and returns a DOUBLE as the result. If the parameter is NULL, the result is NULL.

See also

• LOG function [Numeric]

Standards and compatibility

Example

The following statement returns the base 10 logarithm for 50.

SELECT LOG10( 50 );