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ER Model and Business Rules

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

Enabler
Integrity Control
Condition
Authorization

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

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

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ER Model and Business Rules
A rectangle represents which of the following in an EER?

Entity
Optional One
Relationship
Attribute

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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
When an entity instance must be a member of only one subtype, it is which of the following?

Disjoint with total specialization
Overlap with total specialization
Overlap with partial specialization
Disjoint with partial specialization

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ER Model and Business Rules
Packaged data models are meant to be exactly right straight out of the box.

False
True

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