Multiple RMAN sessions are connected to the database instance. Examine the following output when backup commands are running in server sessions:
What could have helped you to correlate server sessions with channels?()A:Implement RMAN multiplexing
B:Set the DEBUG ON in the RMAN script
C:Specify the command ID in the RMAN script
D:Use a tag with the RMAN BACKUP command
出自:Oracle认证