Natural Logarithm

Wed, 03/04/2009 - 20:02 |  hdanzl


Syntax

<natural logarithm> ::=


Notes

♦ The LN function returns the natural logarithm of the argument.
♦ The argument shall be greater than 0.
♦ The data type of the result is DOUBLE PRECISION.
♦ If the argument is null, then the result is null.


Examples

Expression

Result

LN( 2 )

0.693147..

LN( 7.5 )

2.014903..


Conformance

SQL:2003 standard

-

Feature T621 "Enhanced numeric functions"
‹ Modulus ExpressionupExponential Function ›
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