ER Model and Business Rules
Inheritance is which of the following?

When a subtype entity inherits values of another subtype attribute
When a supertype entity inherits values of the subtype attribute
When a subtype entity inherits values of the supertype attribute
When a supertype entity inherits values of another supertype attribute

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ER Model and Business Rules
A supertype/subtype hierarchy has which of the following features?

Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype.
Attributes are assigned at the lowest logical level.
Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype.
Attributes are assigned at the highest logical level.

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