多选题For an incomplete recovery， which four backup types can be used by Recovery Manager （RMAN） to restore data files？ （）ARMAN image copiesBRMAN database backupsCRMAN tablespace backupsDusermanaged backups placed in the flash recovery areaEusermanaged backups that have been cataloged with RMANFusermanaged data file backups for which the full path name is specified
多选题
For an incomplete recovery， which four backup types can be used by Recovery Manager （RMAN） to restore data files？ （）
A
RMAN image copies
B
RMAN database backups
C
RMAN tablespace backups
D
usermanaged backups placed in the flash recovery area
E
usermanaged backups that have been cataloged with RMAN
F
usermanaged data file backups for which the full path name is specified
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