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MySQL | LOG2 method

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schedule Mar 10, 2022
Last updated
local_offer MySQL
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MySQL's LOG2(~) method returns the value of the base-2 logarithm of X. If we provide an input less than or equal to 0 we will return NULL.

Parameters

1. X | number

The number to return the base-2 logarithm for.

Return value

The value of base-2 logarithm of X.

Examples

To return base-2 logarithm of 256:

SELECT LOG2(256);
+-----------+
| LOG2(256) |
+-----------+
| 8 |
+-----------+

To return base-2 logarithm of 0:

SELECT LOG2(0);
+---------+
| LOG2(0) |
+---------+
| NULL |
+---------+
robocat
Published by Arthur Yanagisawa
Edited by 0 others
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