My July Post @All Analytics When, for analytical purposes, you combine data extracted from database tables whose real-world meaning you d...

1. Quote of the Week Q: In a nutshell, what does RDF based Linked Data facilitate? A: The ability to find and describe stuff using att...

1. Quote of the Week Don't confuse Data(base) Modeling with Business Modeling. All DBA are correct when they are talking about Datab...

My June post @All Analytics Combining data extracts from databases for analytical purposes without knowing what the source database table...

The common and entrenched misconception about normalization was recently visible yet again in a LinkedIn exchange. R: Unless the need i...

I have corrected a mistake in For Codd's Sake : a mathematical relation is not the Cartesian product (CP) of the domains over which it...

See: Name the Relational Violation Part 1: Conditional Uniqueness Constraint