Difference between generalisation and specialisation in dbms

Generalization and Specialization both the terms are more common in Object Oriented Technology, and they are also used in the Database with the same features. Generalization occurs when we ignore the differences and acknowledge the similarities between lower entities or child classes or relations (tables in DBMS) to form a higher entity. However, when we moved on to the specialization, it spilt a higher entity to form lower entities, then we discover the differences between those lower entities.

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