ADO.NET Entity Framework Query Samples is a small Windows Forms program which contains several basic Entity SQL and LINQ to Entities queries against that NorthwindEF Entity Data Model (a modified version of Northwind).
Its goal is to help you learn the features of the different query languages available in the Entity Framework, and to let you visualize how the results and the translated store queries look like.
UPDATE: The samples have been updated for VS 2010 Beta2.
The project supports querying multiple backends. Included are:
Previous versions of these samples can be found at
CodePlex.com