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？（）<br>A: Restore all the datafiles from the backup.<br>B: Restore only the lost datafile from the backup.<br>C: Restore all the datafiles for the lost tablespace from the backup.<br>D: Restore all the datafiles for the lost tablespace and all the SYSTEM and SYSAUX datafiles from the backup.

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？（）
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.

出自：Oracle认证

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