Friday, March 25, 2016
Not Worth Repeating: Duplicates
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My March post @All Analytics. Frequent hits @dbdebunk.com are driven by the question “Are keys mandatory?” Puzzlingly, many data professi...
Sunday, March 20, 2016
This Week
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1. Q UOTE OF THE W EEK Q: I am trying to remove duplicate rows from a database containing 4446 tables and when finished, merge data ...
Wednesday, March 9, 2016
The Fourth V -- Veracity
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My February post @All Analytics. "A fact is represented in the database not because it is categorically true, or categorically false...
Sunday, March 6, 2016
This Week
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1. Quote of the Week [With] a declarative language and you have no real control over the execution plan. Heck, Oracle 12c can use multipl...
Tuesday, March 1, 2016
First Normal Form in Theory and Practice Part 1
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09/19/23: For the latest on this subject see : FIRST NORMAL FORM - A DEFINITIVE GUIDE Note: This is a 11/23/17 revision of Part 1 of a t...
Sunday, February 21, 2016
This Week
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1. Quote of the Week Karen Lopez: To bring others up to speed, Fabian is using an academic taxonomy for data modeling terms. It's val...
Sunday, February 14, 2016
Healthcare, Data Fundamentals and the PASS Summit (UPDATED)
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When, years ago in an online exchange, I argued that working with SQL DBMS's without knowledge and understanding of data and relationa...
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