I am administering an Oracle 8.1.7 database. One of the nonsystem datafiles is lost. When I try to create the file it gives the following error though I have the entry of the same in v$datafile. I have tried recreating the control file and then creating the datafile, but still, it gives the following error:
SQL> alter database create datafile 'c:oracleoradatapractpract01.dbf'; alter database create datafile 'c:oracleoradatapractpract01.dbf' * ERROR at line 1: ORA-01178: file 9 created before last CREATE CONTROLFILE, cannot recreate ORA-01110: data file 9: 'C:ORACLEORADATAPRACTPRACT01.DBF'Few days back I had recreated the control file but that also had the entry for this file.
You cannot create the file in this manner. While other vendor's RDBMS platforms may support this convention, Oracle does not. Why not drop the entire tablespace and then recreate it? Use the DROP TABLESPACE and CREATE TABLESPACE commands. When creating the tablespace again, you will be creating the datafile at the same time. This is akin to what you are trying to accomplish. Otherwise, use a backup to restore the lost datafile.
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