What are E-R diagrams

E-R

diagram also termed as Entity-Relationship diagram shows relationship between various tables in the database.

The correct answer would be:

E-R diagrams, short for Entity-Relationship diagrams, are visual representations used in database design to depict the logical structure of a database. They illustrate the entities within the system and the relationships between them. These diagrams typically consist of entities (which represent real-world objects or concepts), attributes (characteristics of entities), and relationships (associations between entities). E-R diagrams serve as blueprints for designing databases and are essential for understanding the data model of a system.