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Modeling Data in the Organization

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

Optional One
Attribute
Entity
Relationship

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Modeling Data in the Organization
A ternary relationship involves how many entities?

3 or more
More than 3
3 or less
3

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

True
False

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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 good identifier is which of the following?

Can be null
Be intelligent
One that can change over time
One that is unique

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

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

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