In a Database, the Primary Key Is Used to _____

question 8

Multiple Choice

In a database, the primary key is used to _____.

• A) specify an entity
• B) create linked lists
• C) identify duplicated data
• D) uniquely identify a record
• E) uniquely identify an attribute

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Definitions:

Real GDP

The measure of the value of all goods and services produced within a country's borders, adjusted for inflation, over a specific time period.

GDP

Gross Domestic Product, the total market value of all final goods and services produced within a country in a given period, used as a broad measure of economic performance.

Deflation

A decrease in the general price level of goods and services, often leading to increased purchasing power of money.

Real GDP

The measurement of a country's economic output adjusted for price changes (inflation or deflation), reflecting the real quantity of goods and services produced.