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Oracle认证考试

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Which three statements are true about Flashback Database?()

  • A、Flashback logs are written sequentially, and are archived.
  • B、Flashback Database uses a restored control file to recover a database.
  • C、The Oracle database automatically creates, deletes, and resides flashback logs in the Fast RecoveryArea.
  • D、Flashback Database can recover a database to the state that it was in before a reset logs operation.
  • E、Flashback Database can recover a data file that was dropped during the span of time of the flashback.
  • F、Flashback logs are used to restore to the blocks' before images, and then the redo data may be used to roll forward to the desired flashback time.
正确答案:B,C,F
答案解析:
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