## Customers

customer_id | first_name | last_name | email
--- | --- | --- | ---
1 | John | Doe | john.doe@example.com
2 | Jane | Smith | jane.smith@example.com
3 | Michael | Brown | michael.brown@example.com
4 | Emma | Green | emma.green@example.com

## Reservations

reservation_id | restaurant_type | year_of_establishment | customer_id
--- | --- | --- | ---
| (→ Restaurants.restaurant_type) |  | (→ Customers.customer_id)
1 | Steakhouse | 1980 | 1
2 | Steakhouse | 2010 | 2
3 | Seafood Restaurant | 1980 | 3
4 | Seafood Restaurant | 2005 | 4

## Restaurants

restaurant_id | name | restaurant_type
--- | --- | ---
1 | The Steak House | Steakhouse
2 | New York Steak House | Steakhouse
3 | Fresh Fish Corner | Seafood Restaurant
4 | Blue Ocean Delights | Seafood Restaurant

## Years

year_id | establishment_year
--- | ---
1 | 1980
2 | 2010
3 | 2005