IT conservations

Today I learned that you essentially cannot concatenate ( concat, || ) nullable columns properly in DB2/SQL. To be honest, I should have kno...

 I've already shown how to create a year-month function in DB2, which - when it comes to date arithmatic - is quite straightforward, be...

I quickly needed to check the monthly progress of a certain variable over time. Problem was that those bookings/incomes are spread over the...

The other day, when I had to post an important letter, I was wondering if there is any post office close to an underground station on my co...

In a hack I'm currently working on (to be published soon) I needed to calculate the distance between two locations (on the surface of o...

Just recently we changed the ERP system in the company I work for. Amongst other (more important) things the structure and format of product...

This is just fantastic: xkcd - A webcomic of romance, sarcasm, math, and language - By Randall Munroe