In Oracle/PLSQL, the ln function returns the natural logarithm of a number.
Syntax
The syntax for the ln function is:
ln( number )
number must be greater than 0.
Applies To
For Example
| ln(20) | would return 2.99573227355399 |
| ln(25) | would return 3.2188758248682 |
| ln(100) | would return 4.60517018598809 |
| ln(100.5) | would return 4.61015772749913 |