Kiwango cha 8.7 cha Kitabu cha Kazi cha SQL
Meza zilizopewa:
| 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 |
Tatua matatizo yafuatayo kwa ajili yao:
Задание 1
Tafuta daktari ambaye amefanya idadi kubwa zaidi ya mikutano katika miezi mitatu iliyopita. Toa jina lake na idadi ya mikutano iliyofanyika.
Задание 2
Tafuta mteja ambaye amefanya idadi kubwa zaidi ya mikutano kwa daktari mmoja aliye sawa. Toa jina lake na idadi ya mikutano kwa daktari huyo.