EF Core 1.0 - Include() generates more than one queries

Question

I am using EF 7.0.0-rc1-final.

The following statement generates multiple queries on the server. Is this normal or I am missing something ?

Group myG         


        

Answer 1

Yes, it’s normal even in one to many scenarios.

EF7 generates multiple queries to avoid returning the same data multiple times.

Here is a great post about EF6 Include to understand why this change was required for EF7: Entity Framework pitfalls, include