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单选题

Your database is configured in NOARCHIVELOG mode. Due to a media failure, you have lost one of the datafiles belonging to a read-only tablespace. You know that the last backup was performed after the tablespace was made read-only. Which action should you take to restore the missing datafile in the minimum amount of time?()

发布日期:2020-04-10

Your database is configured in NOARCHIVELOG mode. ...
A

Restore all the datafiles from the backup.

B

Restore only the lost datafile from the backup.

C

Restore all the datafiles for the lost tablespace from the backup.

D

Restore all the datafiles for the lost tablespace and all the SYSTEM and SYSAUX datafiles from the backup.

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