A.alter tablespace DAVE_TBS backup mode B.alter tablespace DAVE_TBS start backup C.alter tablespace DAVE_TBS begin backup D.alter tablespace DAVE_TBS backup begin E.alter tablespace DAVE_TBS backup
A.alter database backup controlfile B.alter database backup controlfile to trace C.alter database controlfile backup D.alter database controlfile backup to ’/ora01/oracle/ctrl_backup.ctl’ E.alter database begin controlfile backup
A.RMAN backup-set pieces spanning backup sets B.RMAN backup-set pieces within a given backup sets C.RMAN backups D.RMAN channels E.None of the above