A ____ Key Is a Field in a Relational Database

question 41

Multiple Choice

A ____ key is a field in a relational database table whose value must be unique for each row.

• A)foreign
• B)primary
• C)secondary
• D)link

---

Definitions:

Future Earnings

The expected profit or income generated by an investment, job, or business over a future period.

Younger Workers

Individuals entering or in the early stages of their professional careers, often characterized by being newer to the workforce.

Moving Costs

Expenses associated with relocating resources or operations from one location to another, including transportation, labor, and setup costs.

Pre-Migration Labor Force

This term could refer to the workforce available or engaged in employment in a region or country before significant migration flows occur.