多项选择题

Which operation requires that you create an auxiliary instance manually before executing the operation？（）

A. Backup-based database duplication.
B. Active database duplication.
C. Tablespace point-in-time recovery.
D. No operation requires the creation of an auxiliary instance.

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多项选择题

When youre performing a tablespace point-in-time recovery， which tablespaces will always be restored to the auxiliary instance？（）

A. The SYSTEM tablespace.
B. The UNDO tablespace.
C. All tablespaces with tables.
D. All tablespaces with indexes.
E. No tablespaces are automatically restored.

多项选择题

What are the two different types of database duplication？（）

A. Active
B. Passive
C. Online
D. Backup-based
E. Failure driven

单项选择题

Which of the following commands will fail？（）

A. report schema
B. report need backup
C. report need backup days 3
D. report user
E. report obsolete