What's the difference between WHERE and HAVING in SQL?
~4 min by voice
How to approach it
This checks whether the candidate understands the logical order of SQL query execution: where individual rows are filtered and where groups are filtered after aggregation, and whether they can apply that in practice.
The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.