.NET 4 ships with a new and much improved version of Entity Framework (EF) – a data access and OR/M  library that lives within the System.Data.Entity namespace.When Entity Framework was first introduced with .NET 3.5 SP1, developers provided a lot of feedback on things they thought were missing or incomplete with that first release.

The SQL team did a good job of listening to this feedback, and really focused the EF that ships with .NET 4 on addressing it Some of the big improvements in EF4 include:...
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