Which of the following commands will perform an active database duplication of the ORCL database to the ORCL2 database?()
A.A B.B C.C D.D E.E
A. A current RMAN backup-set backup is required. B. No backup is required. C. An RMAN image backup is required. D. A manual backup is required. E. A "duplicate" preparatory backup is required.
A. Restore tablespace B. Recover tablespace C. Tablespace recover D. Recover to time E. recover datafile