MySQL 算術運算符
阿新 • • 發佈：2017-05-22
算術運算 lec nbsp ins 算術運算符 lin int 求余 microsoft
+------+--------+-------+-------+---------+-------+
| 64 | 74 | 61 | 192 | 21.3333 | 1 |
+------+--------+-------+-------+---------+-------+
(1) + ：加法運算
(2) - ：減法運算
(3) * ：乘法運算
(4) / ：除法運算，返回商
(5) % ：求余運算，返回余數
mysql> CREATE TABLE tmp14 ( num INT ) ;
mysql> INSERT INTO tmp14 VALUE(64);
mysql> SELECT num, num+10, num-3, num*3, num/3, num%3 FROM tmp14;
+------+--------+-------+-------+---------+-------+
| num | num+10 | num-3 | num*3 | num/3 | num%3 |
+------+--------+-------+-------+---------+-------+
| 64 | 74 | 61 | 192 | 21.3333 | 1 |
+------+--------+-------+-------+---------+-------+
MySQL 算術運算符