© George Tillmann 2017

George Tillmann, Usage-Driven Database Design, 10.1007/978-1-4842-2722-0_7

7. LDM Perils to Watch For

George Tillmann

(1)Ship Bottom, New Jersey, USA

Fools you are...who say you like to learn from your mistakes...I prefer to learn from the mistakes of others, and avoid the cost of my own.

—Otto von Bismarck

I learned an awful lot from him by doing the opposite.

—Howard Hawkes (American film director)

The last two chapters dealt with logical data modeling do’s, and don’ts. This chapter addresses characteristics that aren’t do’s and aren’t don’ts but rather somewhere in the middle. These are not wrong but, nonetheless, things to watch for.

Chapter Subjects

•    Associatives related to other associatives

•    Diagrammable objects ...

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