Over the holidays I was having a discussion with my cat, Ms. Trixie Lou. A question that often arises during the first programming class is the following: how do I find the variables that are in common to these two or three data sets? As it turns out, Ms. Trixie
What tiny looking operator packs a mighty punch with large datasets? Your queries are big. Your reports span multiple columns. To top it all you have to summarize data in multiple ways. Are you tempted to throw in the towel? Do you feel like saying a firm “Can’t be done”
Picture this – a student grabs the Programming 1 textbook, scans it quickly seemingly searching for something specific, and shakes his head indicating an unsuccessful search. He plants himself smack dab in the front row, looks me squarely in the eye, raises one eyebrow quizzically and says, “Bad words?” I
