Split EDMX into multiple EDMXs

Question

I'm having problems with a large EDMX - the diagram is massive and difficult to navigate, but more importantly merging different branches of the project creates many conflicts, which is painfull when done regularly.

What I'd like is to split my EDMX into a core EDMX, and then other EDMXs for logical sections of the project, which usually have nothing to do with each other, except the shared core entities. I would like all of these EDMXs to output entity classes to the same model project.

I've seen tantalizing mentions of splitting EDMXs in google, and possibly inheriting too, but no solid yes or no as to wether it can be done.

I'm using EF4 Self Tracking Entities, if that makes a difference. 

Answer 1

Hello,

I think that the best description about this rare topic was provided on ADO.NET Team blog: Part 1 and Part 2.

Best regards,
Ladislav

Answer 2

Hi Simon,

I am writing to check the status of the issue on your side.  Would you mind letting us know the result of the suggestions? 
 
If you need further assistance, please feel free to let me know.   I will be more than happy to be of assistance.

Have a nice day.

---

Alan Chen[MSFT]
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