One of the trickiest aspects of relational database management can be dealing with missing information. The standard method of representing missing information is to set the “value” to null. A null ...

Unix systems make it easy to make output that you don’t want to see simply disappear. Toss output into the void. Send errors in one direction, useful output in another. Something of a bit bucket, ...

Marvel should have an evil villain named “Null.” Nulls have always been trouble in the relational world. Certainly, nulls are used all over the place by virtually everyone. Still, that does not mean ...

Have you ever stared at a massive dataset, only to realize it’s riddled with empty columns that serve no purpose? It’s a frustrating scenario—one that wastes time, clutters your workflow, and makes ...