entity framework code first migration keep existing data

Question

I am using EF 6.1 and I use code first approach with an existing database with data in a production environment.

Is it possible at all to migrate model changes and keep the existing customer`s data?

Answer 1

Yes, however, it can be complicated depending on specific case (on complexity of changes):

Overview: http://msdn.microsoft.com/en-us/library/dn579398.aspx#option1

Read this: http://msdn.microsoft.com/en-us/library/jj591621.aspx

And then this: http://msdn.microsoft.com/en-us/library/dn481501.aspx