title: Joining 4 queries
body: <p>I have to create a query which on the entry of the user_name should display the responsibilities under that particular user_name. How can I do that?
  The tables that should be used are:</p>
  
  <pre><code>FND_USER
  FND_RESPONSIBILITITY_VL
  FND_APPLICATION_VL
  FND_USER_RESP_GROUPS_DIRECT
  </code></pre>
  
  <p>Please help...
  the username is the mandatory field. </p>