Sunday, August 25, 2019

Meaning Criteria and Entity Supertype-Subtypes Relationships

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Note: This is a re-write of a previous post. "I have a database for a school ... [with] numerous tables obviously, but consider th...
Saturday, June 29, 2019

Re-write

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Understanding Conceptual vs. Data Modeling Part 4: Properties-object Modeling        
Friday, June 21, 2019

Data Meaning and Mining: Knowledge Representation and Discovery

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Note: This is a re-write -- prompted by a LinkedIn exchange -- of two columns I published @All Analytics. “Scientific research experime...
Friday, June 14, 2019

Normalization and Further Normalization Part 3: Understanding Database Design

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Note: This is a re-write of two older posts, to bring them into line with McGoveran's formalization, re-interpretation, and extension[...
Sunday, June 2, 2019

Normalization and Further Normalization Part 2: If You Need Them, You're Doing It Wrong

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In Part 1 we outlined some fundamentals of database design, namely the distinction between normalization to 1NF, and further normalizatio...
Friday, May 31, 2019

Normalization and Further Normalization Part 1: Databases Representing ... What?

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Note: This is a re-write of older posts (which now link here), to bring them into line with the McGoveran formalization, re-interpretation...
Saturday, May 25, 2019

Reader Mail: Sets vs. Graphs, Education vs. Training

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GK writes: “I just wanted to drop a note of thanks for the website, especially the latest articles on understanding data modeling, which ...