DEC 1, 2006 1:00am ET

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There is No Single Version of the Truth

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When I started my career in data administration, it was explained that one of my tasks would be to obtain definitions of entities and attributes from business users. These definitions, I was told, had to be sufficiently specific and complete so that anyone in our enterprise could understand them, no matter where they appeared in reports, screens or specifications. In addition, I was reminded that the law of atomicity meant that there could only be one definition for each entity and attribute.

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