Kiwango cha 5.3 cha Kikokotoo cha SQL
Tabla zifuatazo zimetolewa:
| id | first_name | last_name | date_of_birth |
|---|---|---|---|
| 1 | John | Smith | 1987-12-12 |
| 2 | Alex | Cooper | 1999-02-20 |
| 3 | Agata | Leyla | 1970-01-30 |
| 4 | Ivan | Ivanov | 1994-05-31 |
| 5 | Peter | Petrov | 1991-08-24 |
| id | title | body | author_id |
|---|---|---|---|
| 1 | Post-1 | Lorem ipsum dolor sit amet, consectetur adipiscing elit. | 12 |
| 2 | Post-2 | Duis aute irure dolor in reprehenderit in voluptate. | 24 |
| 3 | Post-3 | Sed ut perspiciatis, unde omnis iste natus error. | 2 |
| 4 | Post-4 | Ut enim ad minima veniam, quis nostrum. | 1 |
| 5 | Post-5 | Quis autem vel eum iure reprehenderit. | 34 |
| 6 | Post-6 | Et harum quidem rerum facilis est et expedita. | 31 |
| 7 | Post-7 | Excepteur sint occaecat cupidatat. | 22 |
| 8 | Post-8 | Ullam corporis suscipit laboriosam, nisi ut aliquid. | 11 |
Tatua matatizo yafuatayo kwa ajili yao:
Pata orodha yote ya machapisho na waandishi wake hata kama chapisho halina mwandishi.
Pata orodha yote ya waandishi na machapisho yao hata kama mwandishi hana hata moja.
Pata majina na mwaka wa kuzaliwa kwa waandishi na jina la chapisho alilochoandika. Zingatia kuwa mwandishi anaweza asiandike hata chapisho moja.
Pata majina ya waandishi na machapisho yao. Na haswa kwa waandishi wote ambao hawana hata chapisho moja.
