EventTypes
| id | name |
| 1 | Tennis Tournament |
| 2 | Golf Tournament |
| 3 | Concert |
| 4 | Theater Performance |
| 5 | Art Exhibition |
Events
| id | eventTypeId | racquetSport |
| (→ EventTypes.id) | |
| 1 | 1 | 1 |
| 2 | 2 | 0 |
| 3 | 3 | None |
| 4 | 4 | None |
| 5 | 5 | None |
Sponsors
| id | sponsorName |
| 1 | Nike |
| 2 | Adidas |
| 3 | Reebok |
| 4 | Puma |
| 5 | Under Armour |
Sponsorships
| id | eventId | sponsorId |
| (→ Events.id) | (→ Sponsors.id) |
| 1 | 1 | 1 |
| 2 | 2 | 1 |
| 3 | 1 | 2 |
| 4 | 2 | 3 |
People
| id | firstName | lastName | role |
| 1 | John | Doe | Player |
| 2 | Jane | Smith | Coach |
| 3 | Michael | Brown | Umpire |
| 4 | Emily | Green | Organizer |
| 5 | David | White | Spectator |
Participants
| id | personId | eventId |
| (→ People.id) | (→ Events.id) |
| 1 | 1 | 1 |
| 2 | 2 | 1 |
| 3 | 3 | 1 |
| 4 | 4 | 1 |
| 5 | 5 | 2 |