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Editorial Team
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Asked: 2026-06-04T06:34:03+00:00

I have a MVC3 website I have been playing with, and the database is

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I have a MVC3 website I have been playing with, and the database is quite well populated. I need to change the underlying models, but of course, the standard approach would drop all data. Having the CREATE SQL (so I can ensure all fields/relationships are in line with the models), and the calculated hash (so EF thinks the models match the database) would allow me to manually make changes to the database.

Is there a way to interrogate a DataContext (or some other object) to:
1. Get the SQL it would use to generate the dataschema; and
2. Get the ERM Metadata hash

I have considered some other migration options, but just want to explore this avenue.

Edit: This is EF4.1, and is running against SQL 2008 R2 if that is of any relevance.

Thanks
Andrew

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  1. Editorial Team

    You can do it with EF Migrations. You’d need to upgrade your project to EF 4.3. You’d use the “Update-Database -Script” ps command.

    Here is a link to the ASP.Net team blog on it: http://blogs.msdn.com/b/adonet/archive/2012/02/09/ef-4-3-code-based-migrations-walkthrough.aspx

    Pluralsight also has a course on it. They also have a free trial. http://www.pluralsight-training.net/microsoft/Courses/TableOfContents?courseName=efmigrations

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