Operational or Transaction Databases Are Product Oriented, Handling Transactions That

question 13

Multiple Choice

Operational or transaction databases are product oriented, handling transactions that update the database. In contrast, data warehouses are

• A) subject-oriented and nonvolatile.
• B) product-oriented and nonvolatile.
• C) product-oriented and volatile.
• D) subject-oriented and volatile.

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Definitions:

Dolphins

A group of aquatic mammals within the family Delphinidae known for their intelligence, social behavior, and vocalizations.

Fick's Law

Fick's law describes the rate of diffusion of a substance across a membrane, based on the concentration gradient, membrane surface area, and diffusion distance.

Diffusion

The passive movement of molecules from an area of higher concentration to an area of lower concentration until equilibrium is reached.

Alveolus

An air sac of the lung through which gas exchange with the blood takes place. Saclike unit of some glands (e.g., mammary glands). One of several flattened vesicles located just inside the plasma membrane in alveolate protists.