Flashback Functions – One Name, different Techniques
Since version 9i there is the term “Flashback” in the Oracle Technology. However it is often hard to harmonize the different terms and corresponding technologies. Let’s start with the definitions: Flashback means, at least in the Oracle terminology, that a past state shall be restored. Might be you want to see the state of a data set one hour ago, the table before it was deleted or the change from last month. And here we are at the actual question: What have I got to do to meet requirements like these?
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