非归档数据文件offline的恢复(三)
------- ------------------
1 555687
2 555687
3 555687
4 555687
5 554973
SQL> select file#,checkpoint_change# from v$datafile_header;
FILE# CHECKPOINT_CHANGE#
---------- ------------------
1 555687
2 555687
3 555687
4 555687
5 555067
SQL>
alter database datafile 5 online;
alter database datafile 5 online
*
ERROR at line 1:
ORA-01113: file 5 needs media recovery if it was restored from backup, or END BACKUP if it was not
ORA-01110: data file 5: '/u01/app/oracle/oradata/ptod/zxy01.dbf'
SQL> recover datafile 5;
Media recovery complete.
SQL> alter database datafile 5 online;
Database altered.
成功online数据文件5！