title: How to integrate table inheritance in Symfony2
body: <p>I would like to implement table inheritance in Symfony2.
  It is possible <a href="http://symfony.com/legacy/doc/more-with-symfony/1_4/en/09-doctrine-form-inheritance" rel="nofollow">here</a> with symfony1.4.</p>
  
  <p>How can I use it with symfony2 with <strong>annotations schema</strong>.?</p>
  
  <p>Thanks for taking your time to look at this!</p>