What is a conceptual, logical and physical model?


David Hay has written an excellent short presentation that describes the differences between these and places them within the context of the Zachman Framework.

He makes a greate point – how can we expect others to think about language/definitions when those in the data management community often use these terms in such an inconsistent fashion.

The presentation can be seen in the following – Introduction to Data Modeling

David mentioned this presentation in the following – LinkedIn discussion