The ____ Constraint Is Similar to the PRIMARY KEY Constraint

question 40

Multiple Choice

The ____ constraint is similar to the PRIMARY KEY constraint because both enforce unique values;the difference is that it allows null values in the column or columns that are named in the constraint.

• A) CHECK
• B) FOREIGN KEY
• C) UNIQUE
• D) NOT NULL

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Definitions:

Operating Lease

An Operating Lease is a lease agreement that allows for the use of an asset but does not convey rights of ownership of the asset.

Sales-Type Lease

A Sales-Type Lease is a lease agreement where the lessor recognizes immediate profit on the leased asset as if it were sold, typically used in lease financing.

Prepaid Asset

An asset representing goods or services paid for in advance but not yet used or consumed.

Unearned Income

Income received by an individual or a company for which the services have not yet been performed or goods have not yet been delivered. It is considered a liability until the services or goods are provided.