Sunday, March 26, 2017
This Week
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1. What's wrong with this picture? "Things get more complex when NULLable columns are used in expressions and predicates. In ...
Sunday, March 19, 2017
New Paper: The Interpretation and Representation of Database Relations
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The data management field cannot and will not progress without educated and informed users. Recently I announced UNDERSTANDING THE REAL RDM,...
Saturday, March 11, 2017
What Is a True Relational System (and What It Is Not)
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(This is a rewrite of a 12/10/16 post , to bring it in line with McGoveran's interpretation of Codd's RDM.) Here's what's...
1 comment:
Thursday, March 2, 2017
The Trouble with Data Warehouse Analytics
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You've probably heard the frequent argument that relational databases (which, unfortunately, in practice, means SQL ones) do not serve ...
1 comment:
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:
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