Monday, December 23, 2019
Wishing You and Yours
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Friday, December 20, 2019
The RDM and Model Stability
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“3rd normal form data models in data warehousing efforts struggle when changes impact parent child relationships. These impacts cause cas...
Saturday, November 30, 2019
TYFK: 5NF, Association Relations and Join
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Ass ume a conceptual model of a multigroup consisting of two related entity groups, Customers and Orders, where a customer can issue multi...
Friday, November 8, 2019
The CAP Theorem and the RDM: Consistency, Availability, Partitioning
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by David McGoveran I have recently posted on LinkedIn two "To Laugh or Cry?" quotes about advantages and disadvantages of ...
Friday, November 1, 2019
Comments on a Stonebraker Article
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These comments were prompted by a LinkedIn post referencing Michael Stonebraker's Those Who Forget the Past Are Doomed to Repeat It -...
Saturday, October 26, 2019
Data Sublanguage Part 4: Conclusion
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In Parts 1 , 2 , and 3 we showed that when the RDM is the data model: A data sublanguage is short for data manipulation language (DML) ...
Saturday, October 19, 2019
Brother, Spare Me the "Paradigms"
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Note: This is a revised version of an old column @All Analytics in response to a recent LinkedIn exchange (check out my comments in the e...
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