Tuesday, March 27, 2018
Name the Relational Violation Part 1: Conditional Uniqueness Constraint
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Note: This is a rewrite of of an older post (which now links here), to bring it into line with the McGoveran formalization and interpretati...
Saturday, March 24, 2018
Data Modeling and NoSQL
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Revised 3/25/18 "To the question “How relevant is data modeling in the world of NoSQL?” I give the following answer. The main pur...
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Saturday, March 17, 2018
Physical Independence Part 2: Logical-physical Confusion
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Note: This is a rewrite of older posts (which now link here), to bring them into line with the McGoveran formalization and interpretation [...
Monday, March 5, 2018
Physical Independence Part 1: Don't Mix Model with Implementation
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Note: This is a rewrite of several older posts (which now link here), to bring them into line with the McGoveran formalization and interpr...
Monday, February 26, 2018
Re-write
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See: Relationships and the RDM Part 1: Kinds of Relationships
Sunday, February 18, 2018
This Week
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1. Database Truth "The RDM is a formal system. It has two parts. Semantics its outside the formal language (which is Deductive Su...
Sunday, February 11, 2018
The Key to Relational Keys - A New Understanding
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Version 3 of paper #4 in the PRACTICAL DATABASE FOUNDATION series is now available to order here . The Key To Relational Keys: A New Unders...
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