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Flashback Database quickly rewinds an Oracle database to a previous point in time to
correct any problems caused by logical data corruptions or user errors. Flashback
A database is like a ‘rewind button’ for your database.

To revert the entire database to a prior point in time, you can either revert the entire database to a prior point in time by restoring a backup and doing point-in-time recovery, or you can enable Flashback Database. When you enable Flashback Database, the database generates flashback logs in the fast recovery area. These logs are used to flash back the database to a specified time. During usual operation, the database occasionally logs images of data blocks to the flashback logs. The database automatically creates, deletes, and resizes flashback logs.

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