OCT(N)

OCT()函數返回數字N的八進製數的字符串表示，這相當於使用CONV(N,10,8)。

mysql>SELECT OCT(12);
+---------------------------------------------------------+
| OCT(12)                                                 |
+---------------------------------------------------------+
| 14                                                      |
+---------------------------------------------------------+
1 row in set (0.00 sec)