title: how to perform full outer join using tJoin in talend
body: <p>I am trying to implement full outer join using tJoin component but I am not getting as expected results. Could anyone help me on this?</p>
  
  <p>Screenshot of tJoin:</p>
  
  <p><img src="https://i.stack.imgur.com/11TRB.png" alt="Screen shot of tjoin "></p>