Identify two situations in which you can use Data Recovery Advisor for recovery. (Choose two.)

Identify two situations in which you can use Data Recovery Advisor for recovery. (Choose two.)

A.
The archived redo log files are missing for which the backup is not available

B.
The database is not opening because the required database files are missing

C.
The user has dropped an important table that needs to be recovered

D.
The database files are corrupted when the database is open