ER Diagram with Many-to-Many Relationships

This ER diagram example illustrates a many-to-many relationship between Students and Courses using an associative entity, Enrollments. Designed in Chen notation, it clearly depicts primary keys, attributes, and relationship symbols, making it ideal for understanding database design fundamentals. The template is perfect for visualizing how entities like students and courses interact through enrollment records, including attributes such as enrollment date and grade. This entity-relationship diagram is a useful reference for database modeling, relational database design, and learning how to map many-to-many relationships effectively.

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