Preamble
The Oracle/PLSQL LOG function returns the logarithm n at the base m.
Syntax of the Oracle/PLSQL LOG function
LOG( m, n )
Parameters and arguments
- m must be a positive number, except 0 or 1.
- n must be a positive number.
The LOG function returns a numeric value.
The LOG function can be used in the following versions of Oracle/PLSQL
|
Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i
|
Let’s consider some examples of the LOG function and learn how to use the LOG function in Oracle/PLSQL.
SELECT LOG(10, 20) FROM DUAL;
--Result: 1,30102999
SELECT LOG(2, 15) FROM DUAL;
--Result: 3.90689059
SELECT LOG(100, 1) FROM DUAL;
--Result: 0
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