A Primary Key

question 9

Multiple Choice

A primary key:

• A) must include letters.
• B) must contain a unique value for each record within a table.
• C) has the same value for all records in a relational database.
• D) is a unique record within a relational database.

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Definitions:

M1 Velocity of Money

The rate at which money circulates in the economy, measured as the ratio of nominal GDP to the money supply (M1), indicating how often a unit of currency is used to purchase domestically-produced goods and services within a given time period.

Financial Innovation

The creation or improvement of financial products, services, technologies, or processes that provide new ways to invest, borrow, lend, and save.

Monetary Policy

The process by which a country's central bank controls the supply of money and interest rates to influence the economy's growth and stability.

Inflation Rate

The percentage increase in the general price level of goods and services in an economy over a period of time.