← Interviews
QUESTION
Customers who never bought
+50 XP
Professor Owl
Customers who never bought
The marketing team wants to send a welcome discount to anyone who hasn't bought yet.
Goal
Show the name of the customers who have no orders at all.
Key facts
- Tables: employees, customers, orders
- Difficulty: Easy
⏳ Preparing data…
What the database returns
Run your query and the rows will appear here.
🎯 You solve it when your query returns exactly what the goal asks for.