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Oracle Flashback闪回机制

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Release: 2016-06-07 17:29:04
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在有Flashback之前,如果你对数据误操作,并已提交,这时想回退该误操作,将会是很件麻烦的事情。有人可能会说可以用备份恢复到误

在有Flashback之前,如果你对数据误操作,并已提交,这时想回退该误操作,将会是很件麻烦的事情。有人可能会说可以用备份恢复到误操作之前,,但正确的操作数据也一起没了。唯一可能的办法就是日志挖掘,但日志挖掘非常繁琐,很难定位。

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