Each Entity in a Database Has a Unique Attribute Called

question 7

Multiple Choice

Each entity in a database has a unique attribute called a(n) ________.

• A)public key
• B)identifier
• C)foreign key
• D)index field

---

Definitions:

Returned Merchandise

Items that customers bring back to the seller after purchase due to defects, dissatisfaction, or other reasons, often leading to refunds or exchanges.

Periodic Inventory System

An inventory system where inventory levels are updated at specific intervals, typically through physical counts.

Net Method

A technique for accounting where discounts for early payment are assumed to be taken and recorded as such.

Returned Merchandise

Items that have been sold and subsequently returned by the customer to the seller due to defects, dissatisfaction, or other reasons.