mysql lower()函数

mysql> select " DFREF";
+--------+
| DFREF  |
+--------+
|  DFREF |
+--------+
1 row in set (0.00 sec)

mysql
> select lower(" DFREF"); +-----------------+ | lower(" DFREF") | +-----------------+ | dfref | +-----------------+ 1 row in set (0.00 sec)

原文地址:https://www.cnblogs.com/sea-stream/p/11308143.html