%,MOD
运算符说明
%,MOD
运算符用于取余运算。返回结果为 N 除以 M 的余数。
语法结构
> SELECT N % M, N MOD M;
示例
mysql> select 12 mod 5;
+--------+
| 12 % 5 |
+--------+
| 2 |
+--------+
1 row in set (0.00 sec)
create table t2(c1 int, c2 int);
insert into t2 values (-3, 2);
insert into t2 values (1, 2);
mysql> select c1 mod 2 from t2;
+--------+
| c1 % 2 |
+--------+
| -1 |
| 1 |
+--------+
2 rows in set (0.01 sec)
mysql> select c1 mod c2 from t2;
+---------+
| c1 % c2 |
+---------+
| -1 |
| 1 |
+---------+
2 rows in set (0.01 sec)