QUESTION NO: 100
Which operation requires that you create an auxiliary instance manually before executing the operation?
(Choose all that apply.)
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.
Answer: A,B
执行操作之前， 哪个操作需要你手动创建一个辅助实例？