Pls see PAPERS page for the current version of this paper, when it becomes available.

Conveying the theoretical foundation of database management to practitioners without losing either precision/rigor, or the audience is a no...

1.   Quote of the Week As you might have gathered, I think NoSQL is technology to be taken very seriously. If you have an application pro...

To all my readers and colleagues, happy holidays and a healthy and prosperous new year!

I've finally found a concrete case to share that demonstrates most of the costly consequences of what happens when you engage in databa...

1. Quote of the Week If SQL is based on relational algebra which is based on set theory where the concept of null set (empty set) is an ...

WS writes: I thought Happiness is a glass half empty might be suitable for the "and now for something completely different" par...