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Oracle® Database 10g Insider Solutions by Richard Stroupe, John Kanagaraj, Arun Kumar R.

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Flashback Database

Oracle Flashback Database can be used to undo the following:

  • Changes that have resulted in logical data corruption

  • Changes that are a result of user error

Unlike standard point-in-time recovery methods, the time required to invoke Flashback Database for a specific time in the past is directly proportional to the number of changes made, not on the size of the database.

Flashback Database Architecture

If you have experienced physical corruption or media failure in your database, then you must use traditional recovery methods.

Flashback Database utilizes a new type of log file called flashback logs. These files are created in the flash recovery area by the Oracle server and contain data block images for changed blocks, which ...

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