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Oracle9i SQL Reference
Release 2 (9.2)

Part Number A96540-02
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LN

Syntax

ln::=

Text description of functions152.gif follows
Text description of ln


Purpose

LN returns the natural logarithm of n, where n is greater than 0.

Examples

The following example returns the natural logarithm of 95:

SELECT LN(95) "Natural log of 95" FROM DUAL;

Natural log of 95
-----------------

4.55387689