Shulou(Shulou.com)06/01 Report--

First query the status of the data file

select name,status,file# from v$datafile;

2. Shut down the database and stop listening.

shutdown immediate;

3. Open the database

startup

4. Take recover status database offline 15 represents data file number

alter database datafile 15 offline;

5. Recover data files

recover datafile 15;

If there is no problem, it will prompt for recovery mode. Enter AUTO.

6. After successful recovery, put data files online

alter database datafile 15 online;

7. Open the monitor, the first step of the operation checks the status of the data file

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