title: Entity Framework Code Only error: the model backing the context has changed since the database was created
body: <p>I created a "Code Only" POCO for use against an existing database using Entity Framework 4 and the CTP4.  When I run a query I get the error </p>
  
  <blockquote>
    <p>The model backing the 'xyzContext' context has changed since the database was created. Either manually delete/update the database, or call Database.SetInitializer with an IDatabaseInitializer instance. For example, the RecreateDatabaseIfModelChanges strategy will automatically delete and recreate the database, and optionally seed it with new data.</p>
  </blockquote>
  
  <p>I'm unclear on why this is happening or what I can change.  I merely created the POCO, defined a simple DbContext, made a few tweaks, and then tried to run a simple query.  Since I'm using "Code Only", I'm unaware of any configuration settings that need to be made. And I certainly don't want to recreate or delete the database since it's an existing database.</p>
  
  <p>Thanks for any ideas.</p>