mysql 更新 语句中 的 safe_mode_MySQL
- WBOYOriginal
- 2016-06-01 13:17:301368browse
在mysql5中,可以设置safe mode,比如在一个更新语句中
UPDATE table_name SET bDeleted=0;
执行时会错误,报:
You are using safe update mode and you tried to update a table without a WHERE clause that uses a KEY column.”
原因是在safe mode下,要强制安全点,update只能跟where了,
要取消这个限制,可以:
SET SQL_SAFE_UPDATES=0;
即可
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