Each round deals one of each, picked from the questions you haven't solved or opened the solution to in Practice. Nobody gets the same question twice.
SQL compete
Leaderboard
Three fresh questions, thirty minutes on the clock, every answer graded on our server. Faster and cleaner means more points.
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How points work
Points shrink as the 30 minutes run, down to half at the buzzer. The clock runs on our server from the moment you press Start.
Each wrong submission takes 10% off that question, down to half. A query that fails to run costs nothing but time, and Run is always free.
Most points wins; ties go to more questions solved, then to whoever got there first. The weekly board resets every Monday at 00:00 UTC.
Players appear under the nickname they pick, never their name, email or photo. Solves are checked, and players who copy answers are taken off the boards.