log2
Description
Syntax:
DOUBLE log2(DOUBLE x)
This function returns the logarithm of x to the base of 2.
Example
mysql> select log2(1);
+-----------+
| log2(1.0) |
+-----------+
| 0 |
+-----------+
mysql> select log2(2);
+-----------+
| log2(2.0) |
+-----------+
| 1 |
+-----------+
mysql> select log2(10);
+--------------------+
| log2(10.0) |
+--------------------+
| 3.3219280948873622 |
+--------------------+Keywords
LOG2