1Z0-052 · Question #164
Identify two situations in which you can use Data Recovery Advisor for recovery. (Choose two.)
The correct answer is A. The database files are corrupted when the database is open D. The database is not opening because the required database files are missing. Oracle Data Recovery Advisor (DRA) is designed to automatically diagnose and repair physical database failures. It can be used in two modes: when the database is open (for accessible failures like block corruption) and when the database is mounted or unmounted (for failures…
Question
Identify two situations in which you can use Data Recovery Advisor for recovery. (Choose two.)
Options
- AThe database files are corrupted when the database is open
- BThe user has dropped an important table that needs to be recovered
- CThe archived redo log files are missing for which the backup is not available
- DThe database is not opening because the required database files are missing
How the community answered
(23 responses)- A78% (18)
- B13% (3)
- C9% (2)
Explanation
Oracle Data Recovery Advisor (DRA) is designed to automatically diagnose and repair physical database failures. It can be used in two modes: when the database is open (for accessible failures like block corruption) and when the database is mounted or unmounted (for failures preventing startup). Option A is valid because DRA can detect and repair data file corruption even while the database is open, using techniques like block media recovery. Option D is valid because DRA can diagnose missing datafiles that prevent the database from opening and recommend recovery steps using RMAN. Option B is incorrect because DRA handles physical failures only - a dropped table is a logical failure, which requires Flashback Table or other logical recovery methods, not DRA. Option C is incorrect because if archived redo logs are missing and no backup exists for them, DRA cannot provide a viable recovery path - recovery is simply not possible in that case without the logs.
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