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Data Modeling Made Simple: A Practical Guide for Business and IT Professionals by Steve Hoberman

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CHAPTER 3 What camera settings also apply to a data model?

Cameras have settingsZoom, Focus, Timer, FilterData models, too

This chapter compares the data model to a camera, exploring four settings on the camera that equate perfectly to the data model. Understanding the impact these settings can have on a data model will increase the chances for a successful application. This chapter also compares the photograph’s format to the three levels at which the data model can exist: conceptual, logical, and physical.

The Data Model and the Camera

A camera has many settings available to take the perfect picture. Imagine facing an awesome sunset with your camera. With the same exact sunset, you can capture a very different image based on the camera’s settings, ...

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