首页计算机考试Oracle认证
(单选题)

You executed the following command in Recovery Manager (RMAN):  RMAN> RESTORE CONTROLFILE;  Which operation must you perform before this command is executed?()

A back up the control file to trace

B bring database to the MOUNT state

C open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target database

D set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

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