Sunday, June 28, 2020

TYFK: Misconceptions About the Relational Model

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“The most popular data model in DBMS is the Relational Model. It is more scientific a model than others. This model is based on first-orde...
Friday, June 12, 2020

Semantics and the Relational Model

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“The RDM is semantically weak ... struggles with consistent granularity and has limitations at the property level... it has no concept of d...
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...