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 sit
题目
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？（）
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 cancel-based recovery
E
restore the entire database from the most recent backup and start the instance and open the database
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参考答案和解析
正确答案：
B
解析：
暂无解析