Ask HN: Old CS lecturer looking for advice from current and recent students 317 by geophile | 126 comments on Hacker News. I am 61, with an academic background in computer science, and many years in industry, mostly startups. I taught many years ago, and have resumed teaching, a database course: data modeling, relational algebra, SQL, application programming and architecture (e.g. 2-tier vs. 3-tier, web & mobile), database internals. Student evaluations were pretty good for the most part, but quite a few students found the presentation a bit dry: I prepared every lecture as HTML ahead of time, made it available online, and presented it in class. A couple of times, I would do interactive things, e.g. tuning queries using EXPLAIN and playing with indexes. That proved pretty popular, but of course, it's difficult to capture this material, (I recorded a log of the session, but extemperaneous discussion was not captured). Looking for advice on how to balance prepared material and...