Thursday, March 25, 2021

OBG: Don't Confuse Levels of Representation Part 1

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Note: To demonstrate the correctness and stability due to a sound theoretical foundation relative to the industry's fad-driven "co...
Friday, March 19, 2021

Data Sublanguages vs. Programming Languages

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Revised 3/20/21 I recently came across a review of Edsger Dijkstra's work, where the following comment on a book he co-authored (referr...
Friday, March 12, 2021

TYFK: Tables Can Visualize -- But ARE NOT -- Relations!

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Note: Each "Test Your Foundation Knowledge" post presents one or more misconceptions about data fundamentals. To test your know...
Wednesday, February 24, 2021

OBG: Third Order Properties and Multi-Tuple Constraints -- An Example

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Note: To demonstrate the correctness and stability due to a sound theoretical foundation relative to the industry's fad-driven "...
Friday, February 19, 2021

TYFK: Semantics, Relations and the Missed Link - Constraints

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Note: Each "Test Your Foundation Knowledge" post presents one or more misconceptions about data fundamentals. To test your knowle...
Friday, February 12, 2021

TYFK: What Is a Relational Database and Why Is It Important?

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Note: Each "Test Your Foundation Knowledge" post presents one or more misconceptions about data fundamentals. To test your know...
Saturday, February 6, 2021

OBG: Cookbooks and Skyscrapers with Shack Foundations

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Note: To demonstrate the correctness and stability due to a sound theoretical foundation relative to the industry's fad-driven "co...