单项选择题
How many database instances are used during a database-duplication process？（）
A. One
B. Two
C. Three
D. Four
E. Five
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相关考题
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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 -
单项选择题
Whenyoureperformingactivedatabaseduplication，abackupofwhatkindisrequired？（）
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. -
单项选择题
Whichcommandisusedtobeginatablespacepoint-in-timerecovery？（）
A. Restore tablespace
B. Recover tablespace
C. Tablespace recover
D. Recover to time
E. recover datafile
