Eric Nelson explains what are ORM, EDM, and ESQL, what is the difference between LINQ to SQL and LINQ to Entities, which one is going to be further developed by Microsoft in the future, accompanied by hands on demos showing how to use them.
Eric Nelson has worked at Microsoft UK for twelve years and before joining worked exclusively as a Unix developer writing code in C and other 4GLs. He currently works in Microsoft’s partner group and focuses on working with Independent Software Vendors. You can find his blog at: http://blogs.msdn.com/ericnel.
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