VCS2010_10_01 – Using LINQ to Entities to Work with Database Data
Kicking off Day 10, Bob discusses the Entity Framework in more depth, looking at the Entity Data Model itself and three three XML sections that comprise it, the Storage (or Physical) Model, the Conceptual Model and the Mapping section. We discussed why this extra layer of abstraction between the database and class model that represents it and discovered how it is this feature that gives the Entity Framework its high degree of flexibility. We discuss the Entity Container and how it derives from ObjectContext to give us access to the Entity Classes it contains, we looked at Lazy Loading and talked about best practices for optimizing LINQ queries, especially those involving related data.
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