1. Quote of the Week The ER notation consists a set of constructs, such as, a rectangle to represent an entity types, an ellipse to repre...

My October column @AllAnalytics. We have seen that the usefulness of the relational data model (RDM) is in its dual theoretical foundatio...

See series starting at The First Normal Form in Theory and Practice, Part  I

Housekeeping: Added following to LINKS page: Why is it so hard to get SQL performance right the first time Why Are There No Relational D...

From an online exchange in response to A Tiny Intro to Database Systems : C: As a non-CS grad coming fresh to databases, I found both th...

UPDATE : I have posted, via David McGoveran, an update to last week's post on Codd's 12 rules. Reactions to my presentation ...

My September post @AllAnalytics.  We have seen that if database tables are designed to represent a set of (facts about) a single class of...