why code first approach does not contain .edmx file?

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why code first approach does not contain .edmx file?
how to manage object oriented language to relational without .edmx in code first?

hi please explain in simple terms...
Thank You.

Posted 8-Jan-13 1:27am

mallikharjun rao

Updated 8-Jan-13 2:49am

Sandeep Mewara

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**Zoltán Zörgő** · Answer 1 · 2013-01-08T02:57:00

Solution 1

EDMX is declarative. CodeFirst implements "convention[^] over code" concept. The mapping is derived from those conventions or DataAnnotation[^] attributes. In some cases this is not enough, and you can use Custom Mapping[^], but that's also code.

Posted 8-Jan-13 2:57am

Zoltán Zörgő