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In Entity-Framework, you can create a DB schema, and then generate your ORM classes. Is there any software that does this in reverse? For example you create a few classes that have relationships, and software generates a database schema with the relevant primary and foreign key relationships?

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use code-first approach starting from EF4.1 –  Yusubov Jun 30 '12 at 2:20

2 Answers 2

up vote 6 down vote accepted

Yes, it is available in EF starting from version EF 4.1.

You can do it with Entity Framework, using Code First.

EF 4.3 even has Migrations built-in.

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Migrations are already available in EF 4.3. One of the new EF5 features shown in the video are spatial datatypes and spatial searches. –  Kristof Claes Jun 30 '12 at 8:56
    
@KristofClaes: Thanks. Didn't realise that. –  pdr Jun 30 '12 at 13:13

I've done this with DataNucleus/JDO, with Derby as the underlying database engine. It works, but you have to be ever so careful when doing it because effectively your classes are the schema and need to be subject to the usual level of carefulness with schema management.

I'm not sure I'd do it the same way again if I was starting out afresh.

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