> Our "gotcha," which doesn't apply to most languages anymore is, "What's the difference between a function and a procedure." It's a one sentence answer, but people who didn't know it would give some pretty enlightening answers.

If you're asking this question (by virtue of the present-tense "is") in the year 2025 even though by your own admission

> it's not really relevant in today's languages.

then you aren't giving candidates a good impression. Even though I would have nailed this question I would have serious reservations about any job that would ask it in an interview because it means that the person interviewing me has more concern for legacy minutiae than broad technical knowledge or problem-solving skills.

Ya sorry, this was way back in the late 90s-early 00s. It's still only relevant in SQL dev.