No Orders Yet
Marketing is looking for registered users without orders. Remember that orders contains guest rows without user_id, and those rows must not break the check. Return user id values in ascending order.
Expected output sample
This is what a correct answer looks like — its row count is its own, it doesn't have to match the schema tables.
| id |
|---|
| 5 |
Sign in to see submission history
Sign inSign in to use AI Mentor
Sign in