Thursday, May 28, 2020

No Such Thing As "Current Relational Data Models"

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“... the concept of a state group is indeed a missing modeling concept in relational/current data models...” Thus in a LinkedIn exchange....
Sunday, May 10, 2020

TYFK: What Is A Database Relationship?

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Note: This is a re-write of an earlier post. About TYFK posts (Test Your Foundation Knowledge) see the post insert below. “Here two or ...
Monday, April 27, 2020

TYFK: "Multi-model DBMSs" is an Empty Set

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Note: About TYFK posts (Test Your Foundation Knowledge) see the post insert below. “Traditional databases ... don't have a multi-mod...
Monday, March 23, 2020

TYFK: How (Not) to Compare NoSQL Systems and RDBMSs

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Note: About TYFK posts (Test Your Foundation Knowledge) see the post insert below. “But if you still want to compare NOSQL databases wit...
Thursday, March 12, 2020

Muddling Modeling Part 2: An Example

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In an old article I used a Hay-Ross exchange to illustrate how disregard for fundamentals and the associated name proliferation -- which un...
Sunday, March 1, 2020

Muddling Modeling Part 1: Fundamentals

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“Data modelling, star schema, snow flakes, data vault. Implementing virtual data warehouses (many stage to modify relationships). Normalis...
Friday, February 14, 2020

TYFK:What Is a Relational Schema?

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Note: About TYFK posts (Test Your Foundation Knowledge) see the post insert below. “A relational database stores information in a structu...