For a Unary One-To-One Relationship Between Two Entities a and B,the

question 120

Multiple Choice

For a unary one-to-one relationship between two entities A and B,the relationship is represented by:

• A)adding the primary key of A as a foreign key of B
• B)adding the primary key of B as a foreign key of A
• C)combining the two entities into one relation
• D)either A or B

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Definitions:

Quantity Sold

The total number of units of a product or service that have been sold within a specific time period.

Maximum Revenues

The highest amount of income that a company can generate from its sales before any deductions.