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ER Model and Business Rules

ER Model and Business Rules
A subtype entity name should be which of the following?

Specific to the organization
All of these
A singular noun
Concise

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ER Model and Business Rules
Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied.

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?

Integrity Control
Authorization
Enabler
Condition

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

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

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ER Model and Business Rules
An ERD that has had the entities clustered will display more entities.

False
True

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ER Model and Business Rules
A supertype can only have only one subtype.

False
True

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