MariaDB: LOG2 Function
This MariaDB tutorial explains how to use the MariaDB LOG2 function with syntax and examples.
Description
The MariaDB LOG2 function returns the base-2 logarithm of a number.
Syntax
The syntax for the LOG2 function in MariaDB is:
LOG2( number )
Parameters or Arguments
- number
- The number to take the base-2 logarithm of. Must be greater than 0.
Note
- The LOG2 function will return NULL, if number is less than or equal to 0.
- See also the LOG function.
Applies To
The LOG2 function can be used in the following versions of MariaDB:
- MariaDB 10
Example
Let's look at some MariaDB LOG2 function examples and explore how to use the LOG2 function in MariaDB.
For example:
SELECT LOG2(0.7); Result: -0.5145731728297583 SELECT LOG2(3); Result: 1.5849625007211563 SELECT LOG2(3.25); Result: 1.7004397181410922 SELECT LOG2(0); Result: NULL
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