Differentiate sub-class and super-class, Database Management System

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Differentiate sub-class and super-class?

The specialization of a class is known as subclasses.eg: employee is a subclass of person and teller is a subclass of employee. Conversely, employee is a super class of teller, and person is a super class of employee.

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Datamanagement, What is Information System?

What is Information System?

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