List category, product_name and price of all products, sorted by category A→Z and, inside each category, cheapest first.
12 rows with columns category, product_name, price — first 3 shown:
| # | |||
|---|---|---|---|
| 1 | Electronics | Wireless Mouse | 799 |
| 2 | Electronics | Bluetooth Speaker | 2499 |
| 3 | Electronics | Smartwatch | 4999 |
Run your code to see the output here.