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Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning， media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday.What would you do in this situation？（）
A:recover using Oracle Flashback Database technology
B:restore the data files from backup and perform a complete recovery
C:restore only the corrupted data file and perform tablespace recovery
D:restore the data files from backup and perform cancel­based recovery
E:restore the entire database from the most recent backup and start the instance and open the database

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出自：Oracle认证

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