Following is an ER diagram for a movie system. The various entities and attributes involved in the operation of the movie system are described with the aid of the ER diagram below. The diagram for a movie system provides insight into its internal operations and processes. Entities such as customer, ticket, event, movie, screen, and theater are used to represent the various components and effects in the system. Customers book tickets for shows that are shown on the screen inside the cinema, which provides a comfortable and effective view of the film.
