Generalization, Specialization and Aggregation dbms-tutorials

Generalization, Specialization and Aggregation are the ways to represent special relationships between entities and attribute

Generalization

Generalization is a bottom-up approach in which two lower level entities combine to form a higher level entity. In generalization, the higher level entity can also combine with other lower level entity to make further higher level entity.
Generalization, Specialization and Aggregation dbms-tutorials

Generalization