Monday, February 2, 2026
DATA MUDDLING
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Chris Date once published an article at the old DBDebunk titled “Models, Models, Everywhere, Nor Any Time to Think” . If you want to get a...
Sunday, January 25, 2026
WHAT MEANING MEANS: BUSINESS RULES, PREDICATES, CONSTRAINTS, AND SEMANTIC CONSISTENCY
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“ If we step back and look at what RDBMS is, we’ll no doubt be able to conclude that, as its name suggests (i.e., Relational Database Ma...
Monday, December 22, 2025
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Tuesday, January 14, 2025
NEW PAPER: THE FINAL NULL IN THE COFFIN - A RELATIONAL SOLUTION TO MISSING DATA
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Friday, December 27, 2024
Ssason's Greetings!
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Monday, July 22, 2024
NEW PAPER: FIRST NORMAL FORM - A DEFINITIVE GUIDE
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Sunday, July 14, 2024
NEW PAPER: UNDERSTANDING THE REAL RDM - E.F. CODD 1969-70 PAPERS PART 2
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Table of Contents Introduction 1. Logical Symmetric Access 2. Universal Data Sublanguage 2.1. FOPL vs. SOL 2.2. Relational Completeness ...
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