SQL topshirig'larining 6.8 darajasi
Quyidagi jadvallar berilgan:
| id | name | |
|---|---|---|
| 1 | John | john@gmail.com |
| 2 | Max | max@gmail.com |
| 3 | Andrew | andrew@gmail.com |
| id | name | price |
|---|---|---|
| 1 | product-12311 | 350 |
| 2 | product-69993 | 899 |
| 3 | product-75757 | 799 |
| id | product_id | customer_id | order_date |
|---|---|---|---|
| 1 | 3 | 1 | 2023-01-10 |
| 2 | 3 | 2 | 2023-01-12 |
| 3 | 2 | 3 | 2023-01-13 |
| 4 | 3 | 3 | 2023-01-14 |
| 5 | 3 | 1 | 2023-01-15 |
| 6 | 1 | 2 | 2023-01-20 |
| 7 | 2 | 3 | 2023-01-21 |
| 8 | 1 | 1 | 2023-01-22 |
| 9 | 2 | 2 | 2023-01-30 |
Ularni quyidagi topshiriqlarni yeching:
Eng katta miqdordagi mahsulotlarni buyurtma qilgan mijozlar ro'yxatini tuzing. Ularni kamayish tartibida chiqaring.
Mahsulotlar va ular necha marta buyurtma qilinganligi sonini ko'rsatuvchi ro'yxat tuzing.
