October 13, 2026Practice
SQL problems and Rena on request
A new set of original SQL problems is judged against hidden data.
What changed
- A new set of original SQL problems is judged against hidden data.
- Rena now starts closed on practice problems, with an Ask Rena button next to Run. The prompt to share your solution is gone.
- In a practice interview, the timer turns into a Time's up count at zero and the interviewer says time is up. You can keep working, and XP counts what passed at zero.