What Does a Primary Key Do

question 32

Multiple Choice

What does a primary key do?

• A) Identifies each row of a table.
• B) Selects a number of rows from a database.
• C) Stores a bunch of related data.
• D) None of the above.

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Definitions:

Replacement

The act of substituting one item or person for another, often to fill a vacancy or to update with something newer or better.

Favorable Response

A positive or supportive answer, reaction, or reply.

Important Question

A significant or critical inquiry that requires attention or resolution.

Order Acknowledgement

A formal confirmation sent by a seller to the buyer confirming the receipt and acceptance of an order, detailing the items purchased and the expected delivery.