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MYSQL Tutorial

MySQL LOG2() function

LOG2() function

MySQL LOG2() returns the natural logarithm of a number to the base 2.


Syntax:

LOG2(N);

Argument

Name Description
N A number.

Note :The equivalent expression for this function is LOG(N) / LOG(2).

Syntax Diagram:

MySQL LOG2() Function - Syntax Diagram

MySQL Version: 5.6


Pictorial presentation of MySQL LOG2() function

pictorial presentation of MySQL LOG2() function

Example of MySQL LOG2() function

Code:

SELECT LOG2(256);

Explanation

The above MySQL statement returns the natural logarithm of 256 as specified in the argument to the base 2.

Sample Output:

mysql> SELECT LOG2(256);
+-----------+
| LOG2(256) |
+-----------+
|         8 | 
+-----------+
1 row in set (0.00 sec)

All Mathematical Functions

MySQL Mathematical Functions, slide presentation

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