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多选题
Which two database operations can be performed at the MOUNT stage of database startup?()
A

renaming of data files

B

dropping the database user

C

renaming of control files

D

multiplexing of control files

E

configuring the database in ARCHIVELOG mode


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考题 多选题Which two statements are true about the duplexing of the backups taken by RMAN? ()(Choose two.)AIt's only supported for the backups performed on the tapeBIt is not supported for backup operations that produce image copiesCDuplex backups need a parallelism for the device to be equal to number of copiesDDuplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously