SQL Taskbook Level 7.2
The tables are given:
| 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 |
Solve the following tasks for them:
Find the names of users who made transactions. Using subqueries
Find transactions that were made by user id in which are greater than 3. Using subqueries
Find transactions that were made by users whose age is greater than 3. Using subqueries
