Why use Entity Framework?

Original article: http://blogs.msdn.com/dsimmons/archive/2008/05/17/why-use-the-entity-framework.aspx

Why use Entity Framework? The author is more willing to answer entity than this question.
Framework and other data access technologies (ADO. Net sqlclient, LINQ to SQL,
Nhib.pdf.

Entity Framework vs. Traditional
Ado. net
Obviously, one is Orm and the other is not

Entity Framework vs. LINQ to SQL
Compared with EF, LINQ to SQL is An ORM with very limited functions.

Entity Framework vs. nhib.pdf
Nhib.pdf is a mature ORM product, and EF is not as good as it at present in some places. EF differs from nhib.pdf mainly in Entity Data
Model (EDM), and based on this model, Microsoft will launch many other data services. So in the long run, it's still ......

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