pow

description

Syntax

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

example

1. mysql> select pow(2,0);
2. +---------------+
3. | pow(2.0, 0.0) |
4. +---------------+
5. |             1 |
6. +---------------+
7. mysql> select pow(2,3);
8. +---------------+
9. | pow(2.0, 3.0) |
10. +---------------+
11. |             8 |
12. +---------------+
13. mysql> select pow(3,2.4);
14. +--------------------+
15. | pow(3.0, 2.4)      |
16. +--------------------+
17. | 13.966610165238235 |
18. +--------------------+

keywords

1. POW