You need the Enterprise version to access these tools. Here is Microsoft's link to show what additional features you get with the Enterprise version:

http://msdn.microsoft.com/vstudio/productinfo/features/edfeatures.asp


>Is it possible to design a database in Visual Studio.net Professional? I came across an article in SQL Server Magazine that seemed to indicate that you could create a database diagram from within the Server Explorer window. Is that only with the Enterprise version, because I could not figure out how to do it.