|
0195 |
Har bir kursga nechta talaba yozilgan
SQL
group-by · left-join
|
Medium |
100% |
|
0193 |
Kim qancha xarid qildi
SQL
join · order-by · group-by
|
Medium |
0% |
|
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% |