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