SQL vazifa to'plami 4.6 Darajasi

Quyidagi jadval berilgan:

user_transactions
id user_id amount payment_type bonuses_increases bonuses_decreases created_at
1 12355 80.50 CARD 0.85 0.00 2023-09-10
2 52421 1700.13 CARD 17.00 1000.00 2023-09-27
3 125355 214.34 CARD 2.14 50.00 2023-09-01
4 9392 596.00 CASH 5.96 0.00 2023-10-08
5 23511 800.18 CASH 8.00 0.00 2023-09-30
6 125355 120.18 CARD 1.20 50.18 2023-10-03
7 52421 1000.12 CASH 10.00 0.00 2023-09-20
8 125355 81.78 CASH 8.17 0.00 2023-09-25
9 52421 509.12 CARD 5.91 100.12 2023-10-07
10 125355 100.50 CASH 1.00 0.00 2023-10-08

Uning uchun quyidagi masalalarni yeching:

Задание 1

Barcha cheklarni foydalanuvchilar bo‘yicha guruhlang va cheklar yig‘indisini hisoblang. Cheklar yig‘indisi 300 dan katta bo‘lgan foydalanuvchilarni tanlang.

Задание 2

Barcha cheklarni to‘lov turi bo‘yicha guruhlang. To‘lov turini va cheklar yig‘indisini yaxlitlangan holda tanlang, shuningdek yig‘indi 5000 dan katta bo‘lish shartini qo‘ying.

Задание 3

'2023-10-01' dan keyin yaratilgan barcha cheklarni to‘lov turi bo‘yicha guruhlang. To‘lov turini va cheklar yig‘indisini yaxlitlangan holda tanlang, shuningdek yig‘indi 4500 dan kichik bo‘lish shartini qo‘ying.