Entity Framework Design

We recently shipped Entity Framework 4.1 , and it has been exciting to see the reception the new Code First and DbContext APIs have been getting in the developer community. What is also exciting is to be able to start talking more about other features...

When you write a LINQ to Entities query today, the Entity Framework walks over the expression tree generated by the C#/VB compiler and translates (or compiles) that into SQL. Compiling the expression tree into SQL involves some overhead though...