Referential _____ Dictates That the Foreign Key Must Contain Values

question 27

Multiple Choice

Referential _____ dictates that the foreign key must contain values that match the primary key in the related table, or must contain null.

• A) integrity
• B) uniqueness
• C) model
• D) attribute

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Definitions:

Store Visit

The act of potential customers or consumers physically visiting a retail or merchandise location to purchase or inspect products.

Markdown Percentage

The reduction in the selling price of goods, expressed as a percentage of the original price, usually to clear inventory or stimulate sales.

Average Transaction Size

The average amount spent by customers in a single transaction or purchase.

Transactions Per Customer

A metric that measures the average number of purchases made by a customer over a given period of time.