【oracle】oracledba28 open a connection to the RMAN recovery catalog, which contains the RMAN metada,metada

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【oracle】oracledba28 open a connection to the RMAN recovery catalog, which contains the RMAN metada,metada

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 asso

ciated with the target database is unique in the recovery catalog  

Answer: C  

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