Am I right in assuming that installing SQLEXPRW does not allow me to have access to Database Diagram, but SQLEXPRADV does?

If that's the case should I uninstall SQLEXPRW first, or...

Thanks for the replies.

I have now downloaded and installed the actual database engine (SQLEXPRW) based on Kutang Pan's reply and attached AdventureworksDW as a sample database. I will now attempt...

Thanks BrainDonor.

This is the reply:

Cannot connect to (local)

Additional info:

Property Login was not set. (Microsoft.SqlServer.ConnectionInfo)