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Each Record in a Database Needs an Attribute (Field)to Uniquely

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Essay

Each record in a database needs an attribute (field)to uniquely identify it so that the record can be retrieved,updated,and sorted.This unique identifier field is called the __________.


Definitions:

Exchange Rates

The rate at which one country's currency can be exchanged for another country's currency.

British Pounds

The currency of the United Kingdom, also known as sterling.

Currency Exchange

The process of exchanging one form of currency for another, based on current exchange rates.

Euros

The official currency used in 19 of the 27 European Union countries, known as the Eurozone.

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