The data modeling course entails all the important points related to conceptual, logical, and physical approaches. You will learn to draw Entity-Relationship Diagrams (ERDs) and the normalization ...

Building an Entity Relationship Model The Erwin modeling program from CA Technologies stands for Entity Relationship for Windows. In this order processing example, ...

Entity-relationship (ER) model. The entity-relationship model is a graphical representation of a business’s data structure. It contains boxes with various shapes and lines to represent ...

To support a real page, your entity model is going to need multiple entities and associations between them. Here's how to add them. By Peter Vogel; 10/22/2008; This column continues my exploration of ...

The two biggest examples of that are closely related - by a mistake: the relational database has no technical relationship to entity-relationship modelling. Written by Paul Murphy, Contributor Oct ...

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 ...