Oracle / PLSQL: LN Function
This Oracle tutorial explains how to use the Oracle/PLSQL LN function with syntax and examples.
Description
The Oracle/PLSQL LN function returns the natural logarithm of a number.
Syntax
The syntax for the LN function in Oracle/PLSQL is:
LN( number )
Parameters or Arguments
- number
- The numeric value used to calculate the natural logarithm. It must be greater than 0.
Returns
The LN function returns a numeric value.
Applies To
The LN function can be used in the following versions of Oracle/PLSQL:
- Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i
Example
Let's look at some Oracle LN function examples and explore how to use the LN function in Oracle/PLSQL.
For example:
LN(20) Result: 2.99573227355399 LN(25) Result: 3.2188758248682 LN(100) Result: 4.60517018598809 LN(100.5) Result: 4.61015772749913
Advertisements