单项选择题
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
Whenyoureperformingactivedatabaseduplication，abackupofw...
单项选择题When youre performing active database duplication，a backup of what kind is required？（）
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.
Whichcommandisusedtobeginatablespacepoint-in-timerecove...
单项选择题Which command is used to begin a tablespace point-in-time recovery？（）
A. Restore tablespace B. Recover tablespace C. Tablespace recover D. Recover to time E. recover datafile
tablespacepoint-in-timerecoveryispossibleonlywithRMAN.（...
单项选择题tablespace point-in-time recovery is possible only with RMAN.（）
A. True B. False
