Introduction to Database Modeling
It is said that a picture is worth a thousand words. Nowhere can that saying be truer than in the world of database modeling. As you have seen, databases are much more than groupings of tables. Databases are groupings of related business entities. Ask yourself the question of which is easier to convey: a static list of table names or a diagram that illustrates the tables and the relationships between the tables? Whether the person is technical or nontechnical, diagrams are much easier to work with. Diagrams enable people to more easily comprehend difficult problems and concepts.
Consider the blueprint of a building. Looking at a blueprint, you immediately get a sense of the building’s purpose and structure. ...
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