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Modeling Data in the Organization

Modeling Data in the Organization
Business rules and policies are universal.

False
True

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Modeling Data in the Organization
A fact is a word or phrase that has a specific meaning for the business.

False
True

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Modeling Data in the Organization
A rectangle represents which of the following in an ERD?

Attribute
Optional One
Entity
Relationship

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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 relationship is which of the following?

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

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Modeling Data in the Organization
When the minimum and maximum number of instances of an entity is one, you know which of the following?

Optional one
Mandatory many
Mandatory one
Cannot tell

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