Far too many developers are under the impression that the business entities that Entity Framework (EF) creates in database-first mode are the business entities you're stuck with: one entity = one ...

Introduce the concepts about relational models. Train students on how to convert a conceptual entity relationship model to a relational model. Introduce students with the reasons and process of ...

Occasionally one sees an entity-relationship diagram (ERD) having an unusual characteristic. The unusual element is an entity (or more than one) that seems to have a relationship with every other ...