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Modeling Data in the Organization

Modeling Data in the Organization
An attribute name should be which of the following?

Singular verb or verb phrase
All of these
Use a alias
Follow a standard format

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Modeling Data in the Organization
Relationships cannot have attributes.

False
True

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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
A composite attribute is which of the following?

An attribute that can be broken into components
Multiple attributes
An attribute that cannot be broken into components
An identifier

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Modeling Data in the Organization
If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist?

Weak entity
Multi-valued attribute
Optional one cardinality
Derived attribute

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Modeling Data in the Organization
An entity name should be which of the following?

All of these
Specific to the organization
Concise
A singular noun

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