The lines between entities within an Entity-Relationship Diagram [ERD] represent an interdependency between the involved entities. In a normalized designed, this interdependency is both semantic and ...

In building a logical data model, some entities are considered strong, other entities are considered weak. Strong entities are the most foundational elements within a nascent Entity-Relationship ...

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 ...

I've never been someone who enjoys making diagrams. It's not that there aren't good diagramming and visualization tools out there — it's that I get caught up in the details. I'd spend more time ...