（单选题）
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？（）
Arecover using Oracle Flashback Database technology
Brestore the data files from backup and perform a complete recovery
Crestore only the corrupted data file and perform tablespace recovery
Drestore the data files from backup and perform cancelbased recovery
Erestore the entire database from the most recent backup and start the instance and open the database
正确答案
答案解析
略
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