ER Diagrams
ER Diagrams, or Entity-Relationship Diagrams, are visual representations used in database design to illustrate the relationships between different entities. An entity can be anything that holds data, such as customers, orders, or products. The diagram uses shapes like rectangles for entities, diamonds for relationships, and ovals for attributes to clearly depict how these elements interact.
These diagrams help database designers understand the structure of the data and how it will be stored. By mapping out the entities and their relationships, ER Diagrams facilitate better communication among stakeholders and ensure that the database meets the needs of the organization.