Level 3 · Connect data

Join different tables to discover new stories.

Complete the core concepts in level 2 before continuing.

1. Practice: Add shipping fees
2. Keep products without fees · Practice: Keep products without fees
3. Practice: Find missing shipping rules
4. Practice: Filter shipping in ON
5. Practice: Connect customers and orders
6. Practice: Customers without orders
7. Practice: Unfold an order
8. Practice: Products in paid orders
9. Practice: Products and shipping fees
10. Practice: Products and category names
11. Practice: Shipping rules and prices
12. Practice: All products and rules
13. Practice: Products with shipping rules
14. Practice: Join low shipping fees
15. Practice: Filter low shipping results
16. Practice: Customer order statuses
17. Practice: Customers and order IDs
18. Practice: All customers and orders
19. Practice: Customers with orders
20. Practice: Join paid customer orders
21. Practice: Orders from Seoul
22. Practice: Orders and items
23. Practice: Order quantities
24. Practice: Products and quantities sold
25. Practice: Price at order time
26. Practice: Items in order 102
27. Practice: Connect three tables
28. Practice: Quantities in paid orders
29. Practice: Keep every shipping rule
30. Practice: Unmatched rows on both sides

Practice opens in this page’s language. Change it in the practice options at any time.