多项选择题
A.backups that can be deleted
B.stored scripts in the recovery catalog
C.backup sets and image copies that are obsolete
D.only the most recent backup sets or image copies
E.backups that do not have the AVAILABLE status in RMAN repository
单项选择题 You executed the following command in Recovery Manager （RMAN） against your Oracle 10g database： RMAN> REPORT NEED BACKUP days 3 What would be the output of this command？（）
多项选择题 WhenperformingabackupusingRecoveryManager（RMAN），whichfourtypesoffilescanbebackedupwiththeRMANBACKUPcommand？（）
多项选择题 Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups. Which two backups would you be able to perform when the database is being accessed by users？（）