ER MODEL AND BUSINESS RULES QUIZ

True

False

True

False

False

True

Enabler

Integrity Control

Condition

Authorization

Circle

Oval

Diamond

Rectangle

Defining one or more supertypes of the subtype and not forming supertype/subtype relationships.

Defining one or more subtypes of the supertype and forming supertype/subtype relationships.

Defining one or more supertypes of the subtype and forming supertype/subtype relationships.

Defining one or more subtypes of the supertype and not forming supertype/subtype relationships.

An attribute of the supertype whose values determine the subtype

An attribute of the subtype whose values determine the supertype

An attribute of the supertype whose values determine the supertype

An attribute of the subtype whose values determine the subtype

False

True

Anchor object

Action

All of these

Corresponding object

Relationship

Optional One

Entity

Attribute