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5NF and Database Design
Author: Alexey Makhotkin squadette@gmail.com, (~3900 words) One of the goals of this publication is to deconstruct the traditional ways of teaching basic topics in relational databases. Previously we discussed the fourth normal form (4NF): “Historically, 4NF explanations are needlessly confusing”. Let’s discuss the ultimate beast: fifth normal form (5NF). Often it’s presented even more confusingly than 4NF is, and we can show that this presentation is unnecessary, and the confusion is completely artificial.
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