If One Exists, a Data Modeler Uses a _____ as the Primary

question 30

Multiple Choice

If one exists, a data modeler uses a _____ as the primary key of the entity being modeled.

• A) foreign key
• B) combination key
• C) surrogate key
• D) natural identifier

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Definitions:

Radioactive Decay

The process by which an unstable atomic nucleus loses energy by emitting radiation, such as alpha particles, beta particles, or gamma rays.

Collision of Asteroids

An event where two or more asteroids in space come into contact with each other, often resulting in fragmentation or amalgamation.

Classification Table

A systematic arrangement of elements or objects based on a set of criteria, often used in science to organize data or concepts for analysis and understanding.

Volcanic Breccia

A volcanic rock containing angular fragments in a matrix of finer material.