Level 1 · Discover data

Discover data by choosing columns and changing their order.

Start with rows and columns; no prior SQL knowledge is required.

1. Explore all products · Practice: Explore all products
2. Practice: Choose your columns
3. Practice: Unique categories
4. Practice: Most expensive first
5. Practice: The top two products
6. Practice: Product IDs and names
7. Practice: Product names and stock
8. Practice: Categories and names
9. Practice: Explore all customers
10. Practice: Customer names and cities
11. Practice: Customer IDs and names
12. Practice: Order IDs and status
13. Practice: Orders and customer IDs
14. Practice: Order dates
15. Practice: Order item identifiers
16. Practice: Products and quantities
17. Practice: Quantities and unit prices
18. Practice: Shipping rules
19. Practice: Products by name
20. Practice: Cheapest first
21. Practice: Highest stock first
22. Practice: Customers by name
23. Practice: Names within cities
24. Practice: Oldest orders first
25. Practice: Newest orders first
26. Practice: Three low-stock products
27. Practice: List of cities
28. Practice: List of order statuses
29. Practice: Reorder customer columns
30. Practice: Stock and prices

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