| Holat | # | Nomi | Qiyinlik | Yechilish |
|---|---|---|---|---|
| 0198 | Uch kun ketma-ket SQL join · date-functions | Hard | 0% | |
| 0197 | Oyma-oy tushum SQL date-functions · window-functions | Hard | 100% | |
| 0189 | Har yili nechta xodim ishga olingan SQL group-by · date-functions | Easy | 0% |
| Holat | # | Nomi | Qiyinlik | Yechilish |
|---|---|---|---|---|
| 0198 | Uch kun ketma-ket SQL join · date-functions | Hard | 0% | |
| 0197 | Oyma-oy tushum SQL date-functions · window-functions | Hard | 100% | |
| 0189 | Har yili nechta xodim ishga olingan SQL group-by · date-functions | Easy | 0% |