ER MODEL AND BUSINESS RULES QUIZ

Condition

Integrity Control

Authorization

Enabler

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

Diamond

Oval

Circle

Rectangle

Relationship

Attribute

Optional One

Entity

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

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

Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype.

Attributes are assigned at the lowest logical level.

Attributes are assigned at the highest logical level.

Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype.

True

False

False

True

It should not be convertible to computer code.

All of these

It should be complex.

It may include restrictions.

True

False