【oracle】oracledba28 open a connection to the RMAN recovery catalog, which contains the RMAN metada
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时间：2015年06月12日
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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