Whichoperationrequiresthatyoucreateanauxiliaryinstancemanuallybeforeexecutingthe
2021-05-05
A.Backup-baseddatabaseduplication.
B.Activedatabaseduplication.
C.Tablespacepoint-in-timerecovery.
D.Nooperationrequiresthecreationofanauxiliaryinstance.
正确答案：参考A, B
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