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单选题

You have a read-only tablespace on read-only media. You want to perform a media recovery on the existing data files, but using a backup control file. The backup control file indicates that the status of the read-only tablespace was read/write when the control file was backed up. What should you consider?()

发布日期:2020-04-10

You have a read-only tablespace on read-only media...
A

take data files from the read-only tablespace offline before performing a recovery

B

recovery using backup control file is not possible, so restore all the files from the last full database backup, and then open the database

C

drop the read-only tablespace and re-create the tablespace after recovery

D

perform a recovery; status of the tablespace in control file will be changed automatically

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