The Admin table which is a separate table used to manage the admin login.
The Flights table which contains all the info related to the flights (airline, airport, flight_id, origin, destination, deparure_time, flight_time, gate, aircraft)
The Customers table: first_name, last_name, email, phone, notify_me(boolean)
define the relation between flights and customers tables using sequelize belongsTo method
Our Db schema includes 3 tables: