Kiwango cha 7.2 cha Kitabu cha Mazoezi ya SQL
Meza zilizopewa:
| id | user_id | amount | payment_type | bonuses_increases | bonuses_decreases | created_at |
| 1 | 3 | 80.50 | CARD | 0.85 | 0.00 | 2023-09-10 |
| 2 | 2 | 1700.13 | CARD | 17.00 | 1000.00 | 2023-09-27 |
| 3 | 5 | 214.34 | CARD | 2.14 | 50.00 | 2023-09-01 |
| 4 | 1 | 596.00 | CASH | 5.96 | 0.00 | 2023-10-08 |
| 5 | 3 | 800.18 | CASH | 8.00 | 0.00 | 2023-09-30 |
| 6 | 3 | 120.18 | CARD | 1.20 | 50.18 | 2023-10-03 |
| 7 | 2 | 1000.12 | CASH | 10.00 | 0.00 | 2023-09-20 |
| 8 | 1 | 81.78 | CASH | 8.17 | 0.00 | 2023-09-25 |
| 9 | 4 | 509.12 | CARD | 5.91 | 100.12 | 2023-10-07 |
| 10 | 5 | 100.50 | CASH | 1.00 | 0.00 | 2023-10-08 |
| id | name | age | city |
| 1 | Aaron | 43 | New-York |
| 2 | Marina | 20 | Minsk |
| 3 | Max | 23 | Kyiv |
| 4 | Catherine | 30 | Berlin |
| 5 | Andrew | 18 | Berlin |
Tatua matatizo yafuatayo kwa ajili yao:
Tafuta majina ya watumiaji ambao walifanya mitiririko. Kwa kutumia maswali ndogo
Tafuta mitiririko ambayo ilifanywa na kitambulisho cha mtumiaji ambacho kikubwa kuliko 3. Kwa kutumia maswali ndogo
Tafuta mitiririko ambayo ilifanywa na watumiaji umri amao mkubwa kuliko 3. Kwa kutumia maswali ndogo
