MySQL数学函数简明总结(4)
2015-04-11 00:14 来源: 锦尚中国 点击:
mysql> select RAND(10), RAND(10), RAND(2), RAND(-2);
+--------------------+--------------------+--------------------+--------------------+
| RAND(10) | RAND(10) | RAND(2) | RAND(-2) |
+--------------------+--------------------+--------------------+--------------------+
| 0.6570515219653505 | 0.6570515219653505 | 0.6555866465490187 | 0.6548542125661431 |
+--------------------+--------------------+--------------------+--------------------+
RAND(): 不带参数的RAND()每次产生不同０～１之间的随机数
复制代码 代码如下:
