Sunday, December 23, 2018
Happy holidays and a new year!
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Sunday, December 2, 2018
What Is a Data Model, and What It Is Not
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“The term data model is used in two distinct but closely related senses. Sometimes it refers to an abstract formalization of the objects a...
Sunday, November 25, 2018
Data and Meaning Part 1: The RDM Is Applied Theory
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“Fabian - With respect, maybe it's time to' shake the formal foundations' of data management, especially given the rising cost...
Saturday, November 10, 2018
Conceptual Modeling Is Not Data Modeling
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“Ok, now that we have those two (Parts 3 and 4 of your series) 'on the table' so to speak, perhaps you would address these question...
Saturday, November 3, 2018
Understanding Conceptual vs. Data Modeling Part 4: Properties-object Modeling
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Revised 6/26/19. In Part 1 and Part 2 we explained that when the RDM (1969-70) and the E/RM (1976) were introduced, there was no distin...
Sunday, October 28, 2018
Understanding Conceptual vs. Data Modeling Part 3: Don't Conflate Reality and Data
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In Part 1 and Part 2 we explained that between 1975-81, when the E/RM and RDM were introduced, there was no distinction between an inform...
Thursday, October 18, 2018
Understanding Conceptual vs. Data Modeling Parts 1-4
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As parts of a new multipart series, I have rewritten two previous posts that merit a new read. Understanding Conceptual vs. Data Modeli...
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