Wednesday, November 22, 2023
HAPPY HOLIDAYS!
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Due to: 1. Taking care of some health issues that have accumulated (not getting any younger); 2. Concentration on the Israel-Hamas War; 3...
Friday, October 13, 2023
EVERYBODY THINK THEY KNOW FIRST NORMAL FORM, BUT NOBODY DOES
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“I have read this article in an effort to boost my academic knowledge on data modeling a bit and still have no idea what this academic autho...
Sunday, September 17, 2023
DBDEBUNK REFRESH
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After 23+ years DBDebunk.com has undergone a slight refresh. Here is an outline of the changes. 1. The BOOKS and PAPERS are now unified into...
Thursday, August 17, 2023
ENTITIES, PROPERTIES AND CODD'S SLEIGHT OF HAND
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Note: This a revision of an earlier post RDM is an application to database management of mathematical relation theory (MRT) consistent wit...
Monday, July 31, 2023
ON RELATIONAL KEYS (& DOMAINS) (t&n)
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Note: "Then & Now" (t&n) is a new version of what used to be the "Oldies but Goodies" (OBG) series. To demons...
Tuesday, July 25, 2023
NULL & THE "2ND ADDRESS LINE" (sms)
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Note: In "Setting Matters Straight" posts I debunk online pronouncements that involve fundamentals which I first post on Linked...
Monday, June 19, 2023
PREDICATE LOGIC, SEMANTICS AND RDM (sms)
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Note: In "Setting Matters Straight" posts I debunk online pronouncements that involve fundamentals which I first post on Linked...
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