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Data Modeling Made Simple with ER/Studio Data Architect by Steve Hoberman

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I was showing examples of both complete and incomplete definitions during a recent training class, when I shared the following incomplete definition for Customer ID:

A Customer ID is the unique identifier for a Customer.

What else can you say about Customer ID anyway? a participant asked.

What else can you say about Customer ID (or any identifier) to add more meaning to its definition?

See the Appendix for my answers.

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