ER MODEL AND BUSINESS RULES QUIZ

Each subtype has only one attribute.

Each supertype has only one attribute.

Each subtype has only one supertype.

Each supertype has only one subtype.

Corresponding object

All of these

Anchor object

Action

True

False

All of these

It should be complex.

It should not be convertible to computer code.

It may include restrictions.

Overlap with total specialization

Overlap with partial specialization

Disjoint with partial specialization

Disjoint with total specialization

When a supertype entity inherits values of the subtype attribute

When a subtype entity inherits values of another subtype attribute

When a supertype entity inherits values of another supertype attribute

When a subtype entity inherits values of the supertype attribute

Rectangle

Circle

Diamond

Oval

True

False

Specific to the organization

Concise

All of these

A singular noun

False

True