What is entity relationship?

[anshika-sharma-ac2988d4 (Anshika Sharma)]

What is entity relationship?

[sakshi-srivastava-f3c2a4a4 (Sakshi Srivastava)]

Simply, its graphical representation of entities and their relationships to each other. This illustrates how “entities” such as people, objects or concepts relate to each other within a system.

ER Diagrams are composed of entities, relationships and attributes. They also depict cardinality, which defines relationships in terms of numbers.