Oracle / PLSQL: LOG Function
This Oracle tutorial explains how to use the Oracle/PLSQL LOG function with syntax and examples.
Description
The Oracle/PLSQL LOG function returns the logarithm of n base m.
Syntax
The syntax for the LOG function in Oracle/PLSQL is:
LOG( m, n )
Parameters or Arguments
- m
- Value used in the calculation. It must be a positive number, except 0 or 1.
- n
- Value used in the calculation. It must be a positive number.
Returns
The LOG function returns a numeric value.
Applies To
The LOG 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 LOG function examples and explore how to use the LOG function in Oracle/PLSQL.
For example:
LOG(10, 20) Result: 1.30102999566398 LOG(2, 15) Result: 3.90689059560852 LOG(100, 1) Result: 0
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