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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
A relationship is which of the following?

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

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Modeling Data in the Organization
A logical representation of the data for an organization or for a business area is known as an entity-relationship model.

True
False

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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?

Derived attribute
Weak entity
Optional one cardinality
Multi-valued attribute

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Modeling Data in the Organization
Output reports should be included as part of an ERD.

True
False

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

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

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