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Code Only
10 June 09 09:04 PM | efdesign | 27 Comments   

There are currently two ways to get Entity Framework apps up and running, we call these Database First and Model First respectively. Database First has been with us since .NET 3.5 SP1, and involves reverse engineering an Entity Data Model from an existing Read More...

Filed under: Entity Framework, Mapping, ObjectServices, CodeOnly, Entity Framework Futures

N-Tier Improvements for Entity Framework
20 November 08 05:33 AM | efdesign | 51 Comments   

The first version of Entity Framework provides convenient ways to load, manipulate and persist objects and relationships. As with many other O/RMs, Entity Framework has a state manager that tracks every change made. Existing objects are typically loaded Read More...

Filed under: Entity Framework, POCO, ObjectServices, N-Tier, Entity Framework 4

Foreign Keys in the Conceptual and Object Models
27 October 08 05:48 PM | efdesign | 36 Comments   

If you are reading this, you have probably heard by now about the so called impedance mismatch between the relational world and the object world – and there are a number of concepts in the relational database that don’t translate easily to corresponding Read More...

Filed under: Entity Framework, ObjectServices, Linq to Sql, Entity Framework 4