| customer_id,first_name,last_name,email,age,signup_date | |
| 1,John,Smith,john.smith@email.com,28,2024-01-15 | |
| 2,Jane,Doe,jane.doe@email.com,32,2024-01-16 | |
| 3,Bob,Johnson,bob.johnson@email.com,45,2024-01-17 | |
| 4,Alice,Williams,alice.williams@email.com,29,2024-01-18 | |
| 5,Charlie,Brown,charlie.brown@email.com,35,2024-01-19 | |