What Is a Foreign Key

question 16

Multiple Choice

What is a foreign key?

• A)A field that uniquely identifies a given record 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 between the two tables.
• C)A table that uniquely identifies a given record in a field.
• D)A foreign key of one table that appears as an entity in another table and acts to provide a logical relationship between the two records.

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Definitions:

Flexible Exchange Rates

Foreign exchange system where the value of currencies is determined by supply and demand in the forex market, without direct government intervention.

Services Trade

The exchange of services between countries, including sectors such as finance, insurance, transport, and tourism.

Goods Trade

The act of buying, selling, or exchanging tangible products between countries or within a country.

Balance of Payments Deficit

A situation where a country's total international payments exceed its total international receipts over a specified period, indicating more money flowing out than coming in.