SQL vazifa to'plami 8.7 Darajasi
Berilgan jadvallar:
| id | first_name | last_name |
|---|---|---|
| 1 | Joe | Doe |
| 2 | Erick | Brown |
| 3 | Max | Red |
| 3 | Alisa | Green |
| id | first_name | last_name |
|---|---|---|
| 1 | Maison | Molina |
| 2 | Mari | Mathews |
| 3 | Ciaran | Byrd |
| 4 | Levi | Miller |
| 5 | Emre | Benjamin |
| 6 | Kadie | Herrera |
| 7 | Lucas | Hussain |
| 8 | Joe | Solis |
| 9 | James | Curry |
| 10 | Wade | Baldwin |
| id | date | client_id | provider_id |
|---|---|---|---|
| 1 | 2022-01-18 | 2 | 3 |
| 2 | 2022-02-21 | 1 | 3 |
| 3 | 2022-03-31 | 1 | 3 |
| 4 | 2022-04-20 | 2 | 3 |
| 5 | 2022-05-17 | 5 | 2 |
| 6 | 2022-06-15 | 2 | 1 |
| 7 | 2022-07-13 | 9 | 1 |
| 8 | 2022-08-12 | 3 | 2 |
| 9 | 2022-09-09 | 1 | 1 |
| 10 | 2022-10-10 | 3 | 3 |
Ular uchun quyidagi vazifalarni yeching:
So'nggi uch oy davomida eng ko'p uchrashuv o'tkazgan shifokorni toping. Uning ismi va o'tkazgan uchrashuvlari sonini chiqaring.
Bir xil shifokorda eng ko'p uchrashuv qilgan mijozni toping. Uning ismini va shu shifokordagi uchrashuvlari sonini chiqaring.
