Linq to Entities / Entity Framework cross edmx “join”

Question

I have two entities, each from a different database and therefore different edmx files. There is, however, an infered relationship between them.

Foo has

Answer 1

You can do this by using Views to represent data in the other database. Read about cross database joins in EF

Answer 2

You can do this by adding cross-model navigation properties. This requires manually editing the EDMX. There is an example, including LINQ to Entities, here.