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Entity Framework
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<p>Entity Framework (EF) is an open source <a href="/facts/Object%25E2%2580%2593relational_mapping/sjIPEIfq">object–relational mapping</a> (ORM) framework for <a href="/facts/ADO.NET/j8ynkv5q">ADO.NET</a>. It was originally shipped as an integral part of <a href="/facts/.NET_Framework/J6QDAUhP">.NET Framework</a>, however starting with Entity Framework version 6.0 it has been delivered separately from the .NET Framework. </p><p>Entity Framework 6.4 was the latest release of the classic framework. Although Entity Framework 6 is still supported, it is no longer being developed and will only receive fixes for security issues. </p><p>A new framework known as Entity Framework Core (EF Core) was introduced in 2016 with similar but not complete feature parity. Version numbering of this framework restarted from 1.0 and the latest version of EF Core is 9.0.4. </p>