Vlak 7.2 van SQL probleemoplosser
Tabelle word gegee:
| 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 |
Los die volgende probleme daarvoor op:
Vind die name van gebruikers wat transaksies gedoen het. Gebruik sub-navrae
Vind transaksies wat deur gebruikers gemaak is waarvan die identifikasienommer groter as 3 is. Gebruik sub-navrae
Vind transaksies wat deur gebruikers gemaak is waarvan die ouderdom groter as 3 is. Gebruik sub-navrae
