See: Understanding Relations Part 1: Tables? So What?

My May post @All Analytics: We are constantly told how data scientists must be “jacks of many skills”, but one of the most important i...

I am changing the format of the posts on DBDebunk. "This Week" posts every other week will continue to be followed by posts on dat...

Note: This is a rewrite of a 09/07/14 post. A LinkedIn exchange initiated by the question What is a weak entity? diversified into vari...

1. What's wrong with this picture? The query framework, as it exists in modern day MongoDB, supports the following functionality: F...

My April column @All Analytics . A R-table with attributes defined only on simple domains takes a less convoluted form -- a normal form -...

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 3 of a t...