I had installed Oracle 11g on windows 07,everything was working fine.But today it is giving me an error saaying ORA-01033: ORACLE initialization or shutdown in progress . I followed the steps mentioned in the different communities but unable to solve the error. After connecting as sqlplus sys/sys as sysdba. and executing below statement,i got following error. How to solve this error?
SQL> recover database;
ORA-00283: recovery session canceled due to errors
ORA-01110: data file 9: 'C:APPMKHATALORADATAORCLVELODBDATA.DBF'
ORA-01157: cannot identify/lock data file 9 - see DBWR trace file
ORA-01110: data file 9: 'C:APPMKHATALORADATAORCLVELODBDATA.DBF'
Thanks in advance!!
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