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Modeling Data in the Organization

Modeling Data in the Organization
A binary relationship cannot be which of the following?

Many-to-Many
One-to-Many
One-to-One
Zero-to-Zero

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Modeling Data in the Organization
A binary relationship is a relationship between two or more entities.

True
False

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Modeling Data in the Organization
Some business rules cannot be represented in common data modeling notation.

True
False

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Modeling Data in the Organization
A good business rule is which of the following?

Compound
Imprecise
Redundant
Declarative

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Modeling Data in the Organization
No two attributes of the same entity type should have the same name.

False
True

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Modeling Data in the Organization
A relationship is which of the following?

Property or characteristic of an entity
Link between entities
A person, place, or thing
Weak entity

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