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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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出自：Oracle认证

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