The Primary Key Is Used Both to Identify Unique Rows

question 66

True/False

The primary key is used both to identify unique rows in a relation and to represent rows in relationships.

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Definitions:

Equipment-based Services

Services that are primarily provided through the use of specialized machinery or equipment, often in sectors like healthcare, construction, or manufacturing.

Method of Delivery

The means or process through which a product or service is delivered to the customer.

ATMs

ATMs, or Automated Teller Machines, are electronic banking outlets that allow customers to complete basic transactions without the need for a branch representative.

Equipment-delivered Services

Services that are provided with the aid of specialized equipment, often involving maintenance, delivery, and operation of the equipment itself.