ER Diagram
9/6/2026
Entity-relationship diagram for a hotel reservation system showing guests, hotels, rooms, reservations, payments, services, reviews, and the join table used to attach multiple services to a reservation.
entity relationship diagramhotel reservation systemreservationsroomspaymentsdatabase design
Flowchart
9/6/2026
System architecture for a ride-sharing app showing rider and driver mobile apps connecting through an API gateway to services for users, trips, matching, location, pricing, payments, and notifications, with supporting databases, event streaming, analytics, maps, and Stripe.
ride-sharingsystem architecturemicroservicesapi gatewayevent streamingpayments
Class Diagram
9/6/2026
Class diagram of an airline reservation system showing how passengers make bookings for flights, receive tickets, choose seats, and submit payments. It also connects flights to airports, aircraft, and the airline that operates them.
class diagramairline reservationbooking systemflight managementticketingpayments
