ER MODEL AND BUSINESS RULES QUIZ

Circle

Diamond

Rectangle

Oval

An attribute of the subtype whose values determine the supertype

An attribute of the supertype 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

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 the subtype attribute

When a supertype entity inherits values of another supertype attribute

Optional One

Attribute

Relationship

Entity

True

False

True

False

True

False

Each supertype has only one subtype.

Each supertype has only one attribute.

Each subtype has only one attribute.

Each subtype has only one supertype.

False

True

It may include restrictions.

All of these

It should not be convertible to computer code.

It should be complex.