Normalization, simplistically, is setting up tables of data so that information is entered only one time. Access is not as malleable as Excel, so for demonstration purposes, spreadsheet entries can be used to show the concept.
"This article explains how to use Microsoft Excel to create prototypes of your Access databases and how to make sure your data adheres to a set of rules called normal forms. Normal forms aren't hard to understand, and they're critical to designing useful databases."
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