Choose three.
Which three are true about a whole database backup?
A.It can be created only by using RMAN. B.It always includes all data files the current control file the server正确答案CEF
Parameter file and archived redo logs. C.It can be consistent. D.It is the only possible backup type for a database in NOARCHIVELOG mode. E.It can consist of either backup sets or image copies. F.It can be inconsistent.
