| Holat | # | Nomi | Qiyinlik | Yechilish |
|---|---|---|---|---|
| 0189 | Har yili nechta xodim ishga olingan SQL date-functions · group-by | Easy | 0% | |
| 0185 | O‘rtacha bali 70 dan yuqori guruhlar SQL group-by · having | Easy | 0% | |
| 0183 | Kategoriyadagi narxlar oralig‘i SQL group-by · aggregation | Easy | 0% | |
| 0182 | Guruhlarning o‘rtacha bali SQL group-by · aggregation | Easy | 0% | |
| 0181 | Har bir shahardan nechta talaba SQL group-by · aggregation | Easy | 0% |