/

运算符说明

/ 运算符用于除法运算。

语法结构

> SELECT value1/value2;

> SELECT column1/column2... FROM table_name;

除法运算不可以除以 O。

示例

mysql> select 1123.2333/1233.3331;
+-----------------------+
| 1123.2333 / 1233.3331 |
+-----------------------+
|    0.9107298750       |
+-----------------------+
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 c1/2 from t2;
+--------+
| c1 / 2 |
+--------+
|   -1.5 |
|    0.5 |
+--------+
2 rows in set (0.00 sec)

mysql> select c1/c2 from t2;
+---------+
| c1 / c2 |
+---------+
|    -1.5 |
|     0.5 |
+---------+
2 rows in set (0.01 sec)