Windows Phone 7.5 includes support for LINQ to SQL, allowing developers to work with relational data. In this article you'll learn how to define, create, upgrade and work with LINQ to SQL within your application.
LINQ to SQL will only create a duplicate at the point when the original is being modified. If your application works with a large number of objects, or objects that are large in size, this can significantly reduce the memory footprint of your application.
