title: How to change a database to postgresql with Symfony 2.0?
body: <p>I have a Symfony2 project under Debian. What are the steps to change my database to postgresql ?</p>
  
  <p><em>Note: The question has been asked <a href="https://stackoverflow.com/questions/2840061/using-symfony-with-postgresql">here</a>, but it is with symfony 1.4, I believe.</em></p>