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Overview: This paper published by SAS Institute describes separating, encapsulating information provides enormous benefit when making additions to data content. Relying upon the optimal relational normal forms allows to build a warehouse of lookup tables, paralleling variable dereference from other structured languages, is most space efficient, fastest manner of information access. Using the VALUES list in a pinch, when a database doesn’t have a needed abstraction layer and one don’t have create authority, quickly solves many data modeling and access problems. Creating relationships among closest siblings, children, parents keeps inter-table cohesion low, enhancing usability - true essence of the Law of Demeter.
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