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I took a datafile offline but when I tried to take it online again, I
got the following error. Why is that? I have the archivelog mode
turned on already.
SQL> alter database datafile 'c:\oracle\oradata\db\usr.dbf' online;
alter database datafile 'c:\oracle\oradata\db\usr.dbf' online
*
ERROR at line 1:
ORA-01113: file 8 needs media recovery
ORA-01110: data file 8: 'c:\oracle\oradata\db\usr.dbf'
Received on Sun May 04 2003 - 19:46:55 CDT