A Foreign Key Is a Primary Key of a Relation

question 28

True/False

A foreign key is a primary key of a relation that also is a primary key in another relation.

---

Definitions:

Total Output

The total value of goods and services produced by an economy over a specific period of time.

Total-Cost Curve

A graphical representation showing the total cost of producing varying quantities of output.

Economic Profit

The surplus gained from undertaking an activity after accounting for both explicit and implicit costs, differing from accounting profit.

Accounting Profit

The financial gain calculated by subtracting total explicit costs from total revenue, reflecting the company's bookkeeping earnings.