POWER()

Function Description

POWER(X, Y) returns the Y power index value of X.

Function Syntax

> POWER(X, Y)

Parameter definition

Parameters	Description
X	Required parameters, any currently supported numerical data
Y	Required parameters, any currently supported numerical data

Example

drop table if exists t1;
create table t1(a int,b int);
insert into t1 values(5,-2),(10,3),(100,0),(4,3),(6,-3);

mysql> select power(a,b) from t1;
+--------------------------+
| power(a, b) |
+--------------------------+
| 0.04 |
| 1000 |
| 1 |
| 64 |
| 0.004629629629629629629 |
+--------------------------+
5 rows in set (0.01 sec)

mysql> select power(a,2) as a1, power(b,2) as b1 from t1 where power(a,2) > power(b,2) order by a1 asc;
+--------+------+
| a1 | b1 |
+--------+------+
| 16 | 9 |
| 25 | 4 |
| 36 | 9 |
| 100 | 9 |
| 10000 | 0 |
+--------+------+
5 rows in set (0.01 sec)