A Primary Key Used in a Database Is a ________

question 58

Multiple Choice

A primary key used in a database is a ________.

• A) group of rows that are formed to identify a unique table or file
• B) column or group of columns that identifies a unique row in a table
• C) character or byte that represents fields or columns
• D) group of tables or files formed to identify a unique field or row

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Definitions:

Reserve Requirement

A regulation set by central banks that specifies the minimum amount of reserves a bank must hold in relation to customer deposits.

Open Market Purchase

A monetary policy tool where the central bank buys government securities from the market in order to expand the money supply.

Money Supply

The total financial assets present within an economy, inclusive of cash, coins, and the amounts present in checking and savings accounts, at a certain point.

Reserve Requirement Ratio

The fraction of deposits that banks are required to hold in reserve, either in their vaults or with the central bank, not used for loans.