【单选题】Why would you execute the report obsolete command?()
A.
To list all backups that were no longer available for restore operations
B.
To list all backups that had aged beyond the RMAN retention criteria
C.
To list all backup set pieces listed in control-file or recovery-catalog metadata that are not on the backup media
D.
To list all datafiles that are no longer part of the database and thus do not need to be backed up
E.
To list all archived redo logs that are no longer needed for any database recovery
【单选题】I asked the teacher if there an English test the next day.
【单选题】After the recovery is complete, which command should you execute?()
B.
ALTER DATABASE CLEAR LOGFILE;
C.
ALTER DATABASE OPEN RESETLOGS;
D.
ALTER DATABASE OPEN NORESETLOGS;
【单选题】If I had met our Math teacher, I ______ him about the problem. [ ]
【简答题】If you execute the order carelessly, they (not place )________ another order with you in the future.
【单选题】He has promised to help you and I'm sure he will keep his _ . [ ]