ER MODEL AND BUSINESS RULES QUIZ

False

True

It should be complex.

It may include restrictions.

All of these

It should not be convertible to computer code.

Authorization

Condition

Integrity Control

Enabler

Concise

Specific to the organization

All of these

A singular noun

False

True

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

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

True

False

No attributes apply to any of the instances of an entity type.

Attributes apply to all of the instances of an entity type.

An instance of a subtype participates in a relationship that is the same as the other subtypes.

An instance of a subtype participates in a relationship that is unique to that subtype.

Attribute

Entity

Optional One

Relationship

False

True