A Key Is a Combination of One or More Columns

question 7

True/False

A key is a combination of one or more columns that is used to identify particular rows in a relation.

---

Definitions:

Market Price

The current price at which a good or service can be bought or sold in the market.

Costs Of Production

The expenses incurred in manufacturing a product or providing a service, which may include raw materials, labor, overhead, and any other costs directly tied to the production process.

Basketball

A team sport in which two teams, typically of five players each, opposing one another on a rectangular court, compete with the primary objective of shooting a basketball through the defender's hoop.

U.S. Tariff

A tax imposed by the United States government on imports or exports of goods.