Here’s a quick talk on relational multiplication that gets us to take a closer look at what our joins are really doing. Here’s the vid.
Here we discuss relational division, the counterpart to relational multiplication (cross joins). We’ll hit a couple of examples, using subqueries to implement two different kinds of set division. Here’s the vid.
This is a continuation of the class at the NTSSUG. These are being held once a month before the main user group meeting. This class went much smoother than the first one. I start out with my top 10 list of how powershell is better than your wife, and I end with my top 10 […]