What Is a Primary Key

question 208

Multiple Choice

What is a primary key?

• A)a field (or group of fields) that uniquely identifies a given entity in a table
• B)a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship among the two tables
• C)characteristics or properties of an entity
• D)a field (or group of fields) that uniquely identifies a given attribute in a table

---

Definitions:

Real GDP

Represents the total value of all goods and services produced within a country's borders, adjusted for price changes or inflation.

Cost of Capital

The rate of return a firm must earn on its investments to maintain its market value and attract funds.

DCF Approach

The Discounted Cash Flow approach, a valuation method used to estimate the value of an investment based on its future cash flows.

Cost of Equity

The return a company requires to decide if an investment meets capital return requirements, often calculated using the Capital Asset Pricing Model (CAPM).