ER MODEL AND BUSINESS RULES QUIZ

Rectangle

Diamond

Oval

Circle

When a subtype entity inherits values of the supertype attribute

When a subtype entity inherits values of another subtype attribute

When a supertype entity inherits values of another supertype attribute

When a supertype entity inherits values of the subtype attribute

False

True

True

False

False

True

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.

An attribute of the subtype whose values determine the supertype

An attribute of the supertype whose values determine the subtype

An attribute of the subtype whose values determine the subtype

An attribute of the supertype whose values determine the supertype

Concise

Specific to the organization

A singular noun

All of these

False

True

Disjoint with total specialization

Overlap with total specialization

Disjoint with partial specialization

Overlap with partial specialization