Data normalization is fundamental to database design. Properly normalized data makes it easy to support an application over time and simplifies the querying, displaying, and reporting features of an application.
Unfortunately, we don't always receive or have normalized data. Tables that require adding fields as the data changes over time are particularly problematic and violate the basic premise of database design where adding records is free, but adding fields is expensive:
Here are some updated resources detailing the value of data normalization, including a sample database and VBA code to transpose and normalize your existing data.
These and other related papers are part of our developer centers:
Hope these help you create more scalable, maintainable, and analyzable databases.
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