Inheritance Relations

• A table may also play the role of a superclass ‘generalization’ or subclass ‘specialization’ in an ‘inheritance’ relation.

• This relation associates exactly one instance of the superclass generalization type AA with one of a set of subclass or specialization types BB, CC, etc.

AA

BB

This relation associates exactly one instance of the superclass generalization type AA with one of a set of subclass or specialization types BB, CC, etc.

CC

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