In this context, a model isn't just a diagram with boxes and arrows. Yes, a data model must include the visual representation of ;the data (such as an entity/relationship diagram), but it also must be ...

This type of data model is used most often to design relational databases. Image: shmai/Adobe Stock In an ER diagram, entities are represented by rectangles, and relationships are represented by ...

An enterprise conceptual data model is often seen as a high mountain to be climbed, a journey that will last a lifetime. People have visions of 10 feet or more of wall in the corporate offices ...