title: oracle INACTIVE session is blocking active session need a way to find sqlid which is blocking
body: <p>I'm getting locks on oracle 11g database with information as follows</p>
  
  <pre><code>06112017:11:00:09    WELOPP@n1pv97/46581  (Session=('300,19867')Status=INACTIVE sqlid=&gt;) blocking WELOPP@n1pv97/45876          (Session=('1803,10683')
                        Status=ACTIVE sqlid=fp5x2quh0zpqk) for the last 91850 seconds.
  
  06112017:11:00:09    WELOPP@n1pv97/46581  (Session=('300,19867')Status=INACTIVE sqlid=&gt;) blocking WELOPP@n1pv97/59864          (Session=('843,58185')
                         Status=ACTIVE sqlid=fp5x2quh0zpqk) for the last 5388 seconds.
  </code></pre>
  
  <p>How can an INACTIVE session can block an ACTIVE one?
  How can I get more information on this INACTIVE session?</p>