As LINQ to Entities is part of the Entity Framework, let's now learn what that is.
ADO.NET Entity Framework (EF) is an addition to the Microsoft ADO.NET family. It enables developers to create data access applications by programming against a conceptual application model instead of programming directly against a relational storage schema. The goal is to decrease the amount of code and maintenance required for the data-oriented applications. The Entity Framework applications provide the following benefits: