Monday, October 30, 2017
The Importance of Understanding Classes, Sets, and Relations for Analytics
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One of the clearest indications of poor foundation knowledge in data management practice is misuse and abuse of terminology. Many data pro...
Sunday, October 29, 2017
Database Design: What It Is and Isn't
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Revised 10/31/17. Note: Posts starting with this one will be consistent with the TERMINOLOGY page. Fundamental terms -- the grasp of whic...
Sunday, October 22, 2017
This Week
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1. Database Truth of the Week "The original normal form and the later First Normal Form (1) are distinct. In the early 1969 RDM t...
Monday, October 9, 2017
This Week
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1. Database Truth of the Week “A DBMS using the RDM for all its functionality would be very limited. The RDM only requires that the d...
Monday, October 2, 2017
Understanding the Division of Labor between Analytics Applications and DBMS
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I am coming across, on the one hand, instructions on how to do "analytics with SQL " and, on the other, tools purporting to enable...
Sunday, October 1, 2017
Re-write
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This post has been re-written as two posts: Understanding Domains and Attributes Class, Type, Set, Relvar, and Relatio
Friday, September 22, 2017
This Week
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1. Database Truth of the Week “If the data sub-language ... has the power of second order predicate logic (SOPL), expressions are poss...
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