.NET Framework 3.5 SP1 introduces ADO .NET Entity Designer

ADO .NET Entity Designer -- a tool that permits direct mappings between a database schema and a conceptual schema. This tool permits designers to relate tables from a database schema to Entity Types that the ADO .NET Entity Designer can create and manipulate LINQ may be used to query Entities within the ADO.NET Entity Framework to create code that is easy to maintain, and that works with strongly typed data objects as well as with various types of business entities. For more information, visit the download page. If you have already installed any Visual Studio 2008 Hotfixes, be sure to run the Hotfix Cleanup Utility before installing this beta code.