A Candidate Key That Has Been Selected as the Unique

question 102

Multiple Choice

A candidate key that has been selected as the unique, identifying characteristic for an entity type is called a(n) :

• A) attribute.
• B) identifier.
• C) secondary key.
• D) gerund.
• E) index.

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Definitions:

Acceptance Sampling

A statistical quality control method where a random sample of items from a lot is inspected to decide if the entire lot should be accepted or rejected.

Defects

Imperfections or faults in a product or process that deviate from the desired specifications, affecting quality.

Sigma Control Limits

Statistical boundaries set in process control that represent acceptable variations in product quality or process performance, typically associated with Six Sigma methodology.

Sample Ranges

The difference between the highest and lowest values in a set of data samples, often used in statistical analysis to measure variability.