title: C# Edmx - update a database
body: <p>I have a question. I have a project that uses an edmx and all hooks up fine to the sql server.
  I have installed it in several servers.</p>
  
  <p>What I want to know is, having made changes in development so m database and my edmx are change,s say a new table and a modified one.
  How do I make it so these updates are aplied automatically when I publish an app update?
  I remember once a long time ago doing code first database work and making some kind of file or procedure that would automatically apply these changes when the app ran.</p>
  
  <p>Can any one fill me in again.</p>