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Oracle

1Z0-083 · Question #238

You are working on an Oracle Database 19c database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true? (Choose two.)

The correct answer is A. Flashback logs are not archived. C. Flashback logs are maintained in the Flash Recovery Area. Flashback logs are written directly to the Flash Recovery Area (FRA) - a dedicated disk location managed by Oracle - making C correct, and unlike redo logs or archive logs, they are never archived, making A correct. Option B is wrong because flashback logs are entirely separate…

Backup and Recovery

Question

You are working on an Oracle Database 19c database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true? (Choose two.)

Options

  • AFlashback logs are not archived.
  • BFlashback logs are maintained in redo log files.
  • CFlashback logs are maintained in the Flash Recovery Area.
  • DFlashback logs are used to maintain Flashback Database related errors.
  • EFlashback logs need to be cleared manually after you disable Flashback Database.

How the community answered

(60 responses)
  • A
    93% (56)
  • B
    2% (1)
  • D
    3% (2)
  • E
    2% (1)

Explanation

Flashback logs are written directly to the Flash Recovery Area (FRA) - a dedicated disk location managed by Oracle - making C correct, and unlike redo logs or archive logs, they are never archived, making A correct. Option B is wrong because flashback logs are entirely separate from redo log files; redo logs record transaction changes while flashback logs capture before-images of data blocks specifically for the Flashback Database feature. Option D is wrong because flashback logs are used to restore the database to a prior point in time, not to track errors. Option E is wrong because Oracle automatically clears flashback logs when you disable Flashback Database - no manual cleanup is required.

Memory tip: Think "FRA = Flashback's home, and it never leaves home (no archiving)." Flashback logs are born in the FRA and die there - Oracle handles the lifecycle automatically.

Topics

#Flashback Database#Flashback logs#Flash Recovery Area#Recovery features

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