I was curious that 2 and 5 were the same.  But that, in itself, doesn't make them wrong.

Are you implying we need to be able to change the Primary Key?!?  Never.  You even mention a dislike for natural attributes as primary keys.  Of course.  Because natural attributes...

I think we're rapidly moving toward user self-service.  Once upon a time secretaries took shorthand and managed all the correspondence.  Today, secretaries are a thing of the past, giving way...

Most people have mentioned the noise.  I agree, noise is a problem. I often have people lean on my 4 foot wall and talk over my head to someone 2...

Most definitely depends on use cases AND common sense.  Take 1NF.  It seems we can always divide something into even smaller units.  A street address has a number, street name,...

This article just popped into my inbox this morning.  But I see from the comments it's at least 2 years old.  In any case I've heard of data lakes but...

Great article Steve.  I love open data. I'm working on a data set of my local county's voting data.  It's presented in a series of PDFs for each election.  Good...

In general I favor "magic values".  Nulls are not transportable, being handled differently by different technologies.  I also work in data warehousing and Business Intelligence where my users have a...