Q45. Which three are true about the FLASHBACK DATABASE feature?
Q45. Which three are true about the FLASHBACK DATABASE feature?
- A. FLASHBACK LOGS are archived after the log switch.
- B. It requires that the target database be in ARCHIVELOG mode.
- C. FLASHBACK DATABASE only uses FLASHBACK LOGS to get the database to the desired flashback time.
- D. It always generates REDO and UNDO.
- E. A database can be flashed back using SQL*PLUS.
- F. Queries and DML have the same FLASHBACK LOG overhead when flashback is enabled for a database.
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