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