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全部科目 > Oracle认证考试 > 1Z0-032

单项选择题

Data file DF1 belongs to tablespace TS1.,and the database is in ARCHIVELOG mode. You did an incomplete recover in the following steps:  
1. Take data file DF1 offline. 
2. Copy a backup copy of DF1 into the current DF1 location. 
3. Execute RECOVER DATAFILE UNTIL TIME sometime in the past. 
4. Bring DF1 online. 
5. Execute ALTER DATABASE OPEN RESETLOGS.  
To guarantee that the database is recoverable in the future, what is the least amount of work needed?()

    A.Back up the data file.
    B.Bring tablespace TS1 online.
    C.Copy redo logs to the backup directory.
    D.Make a complete backup right after opening the database.

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