For a Binary Many-To-Many Relationship Existing Between Entity Types a and B

question 111

Multiple Choice

For a binary many-to-many relationship existing between entity types A and B:

• A)a separate relation C is created;the primary key of relation C is a composite key consisting of the primary key for each of the two entities in the relationship
• B)the primary keys of relation A and relation B are designated as functionally dependent attributes
• C)secondary keys are used to establish the relationship
• D)place the primary key of either entity in the relation for the other entity or do this for both entities

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Definitions:

Net Exports

The value of a country's total exports minus its total imports, representing the net trade of goods and services with other countries.

Net Capital Outflows

The value of domestic assets purchased by foreigners minus the value of foreign assets purchased by residents of a country.

GDP

Gross Domestic Product, the total market value of all final goods and services produced within a country in a given period of time.

Imports

Goods and services that are produced abroad and sold domestically