Saturday, February 25, 2017
This Week
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1. What's wrong with this picture "A quick-and-dirty definition for a relational database might be: a system whose users view...
Sunday, February 19, 2017
Simple Domains and Value Atomicity
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09/19/23: For the latest on this subject see : FIRST NORMAL FORM - A DEFINITIVE GUIDE 11/09/22: Revised Here's what's wrong wit...
3 comments:
Sunday, February 12, 2017
This Week
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1. What's wrong with this picture "If a collection of values is atomic, store them together. Meaning, if you always care about ...
1 comment:
Sunday, February 5, 2017
Re-Write
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See Meaning Criteria and Entity Supertype-Subtypes
Tuesday, January 31, 2017
Outsmarting the DBMS: Analysts Should Beware
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Revised 5/4/2020. Last month I alerted you to the failure by data professionals to appreciate the importance, for a variety of critical...
Sunday, January 29, 2017
This Week
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1. What's Wrong with This Database Picture? "I have a database for a school ... [with] are numerous tables obviously but conside...
2 comments:
Sunday, January 22, 2017
Are You a Thinking Data Professional?
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Note: The following was intended as a comment to my post Don't Design Databases without Foundation Knowledge and Conceptual Models by...
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