时间:2021-07-01 10:21:17 帮助过:245人阅读
mysql> SELECT CEILING(3.46);
+---------------------------------------------------------+
| CEILING(3.46) |
+---------------------------------------------------------+
| 4 |
+---------------------------------------------------------+
1 row in set (0.00 sec)
mysql> SELECT CEIL(-6.43);
+---------------------------------------------------------+
| CEIL(-6.43) |
+---------------------------------------------------------+
| -6 |
+---------------------------------------------------------+
1 row in set (0.00 sec)
注意:该函数是向上取整,返回的是大于x的最小整数值。注意负数值的情况。