Database Management System20795 marksRelationship Types, Relationship Sets, Roles, and Structural
Explain aggregation with example.
Explain aggregation with example. [5]
Aggregation is an abstraction concept in the Entity-Relationship (ER) model where a relationship itself is treated as a higher-level entity. It allows a relationship between entities to participate in another relationship. In other words, aggregation is used to represent a relationship among rela...