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ER Model and Business Rules

ER Model and Business Rules
An action assertion is a statement that expresses some aspect of the static structure of the organization.

False
True

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ER Model and Business Rules
Which of the following statements concerning business rules is true?

It should not be convertible to computer code.
It may include restrictions.
It should be complex.
All of these

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ER Model and Business Rules
An entity cluster is a set of one or more entity types and associated relationships.

False
True

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ER Model and Business Rules
Total specialization is represented by double lines between the supertype and subtype on an EER.

True
False

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ER Model and Business Rules
Which of the following is not one of the three ways to classify an action assertion?

Enabler
Condition
Integrity Control
Authorization

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ER Model and Business Rules
Action assertions have traditionally been implemented within an application program.

False
True

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