The Logical View of a Database

question 10

Multiple Choice

The logical view of a database:

• A) shows how data are organized and structured on the storage media.
• B) presents an entry screen to the user.
• C) allows the creation of supplementary reports.
• D) presents data as they would be perceived by end users.
• E) shows the relationships between entities and attributes.

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Definitions:

OPEC

The Organization of the Petroleum Exporting Countries (OPEC) is an intergovernmental organization of oil-producing countries that coordinates and unifies the petroleum policies of its member states.

Efficient Allocation

The distribution of resources in a way that maximizes the net benefit to society or achieves a desired outcome effectively.

Equitable Allocation

The fair and just distribution of resources among different groups or individuals.

Gains From Trade

The increase in utility or welfare that countries or individuals can achieve by specializing in the production of goods they are relatively more efficient at and exchanging them.