The ER diagram illustrates the functioning of the online booking cinema, which consists of different entities such as customer, movie, screening, booking, and payment. All the relationships are presented within it whereby a user books the seat for the film scheduled to screen at a particular time and pays. It elaborates on user specifics, movie names, showing times, Customer IDs, and payment conditions. The ER diagram in question aids in organizing the database for proper management of reservations, recording of payments, and giving accurate details to users concerning the availability of films in addition to their seats
