ER diagram for movies shows entities such as movies to actors, actors, movies, users, movies to directors, directors, and users, and movies to users. These movie production entities include movie id, year, English, country, running time, user id, U gender, occupation, rating, etc. It should be noted that in entity-relationship diagrams, the relationship type is represented by a diamond, with lines connecting the entities. As the movie production illustrates, the ERD is a graphical representation of an ER diagram for movies. At present, it is known as one of the most popular and widely used database design tools. Entities, attributes, and relationships are known to be the three main components of the ER model, as illustrated graphically below.
