pow

description

Syntax

DOUBLE pow(DOUBLE a, DOUBLE b) 返回a的b次方.

example

mysql> select pow(2,0);
+---------------+
| pow(2.0, 0.0) |
+---------------+
|             1 |
+---------------+
mysql> select pow(2,3);
+---------------+
| pow(2.0, 3.0) |
+---------------+
|             8 |
+---------------+
mysql> select pow(3,2.4);
+--------------------+
| pow(3.0, 2.4)      |
+--------------------+
| 13.966610165238235 |
+--------------------+

keywords

POW