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How recovery wrong updates in a MySQL database?

我更新了一个表,但是我的查询清除了所有列,我可以回滚此更新吗?

If you have a recent backup & binlog is active, there's a chance, see: http://dev.mysql.com/doc/refman/5.0/en/point-in-time-recovery.html If not. it's a lesson learned....

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