title: How can I connect to an Oracle database as SYSDBA using dbExpress?
body: <p>I have a Delphi application that connects to an oracle database.</p>
  
  <p>When I try to log in as SYSDBA, I get the error:</p>
  
  <pre><code>ORA-28009: connection as SYS should be as SYSDBA or SYSOPER
  </code></pre>
  
  <p>When I try to log in with a user of "SYS AS SYSDBA", I get the error:</p>
  
  <pre><code>ORA-01017: invalid username/password; logon denied
  </code></pre>
  
  <p><strong>How can I log in as sysdba using a dbExpress connection?</strong></p>
  
  <p><a href="https://stackoverflow.com/questions/179365/how-can-i-connect-to-an-oracle-database-as-sys-using-an-ado-connection-string">See also this related post regarding ADO</a></p>