## 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