The Number of Instances of Entity B That Can (Or

question 101

Multiple Choice

The number of instances of entity B that can (or must) be associated with each instance of entity A refers to:

• A) cardinality.
• B) domain.
• C) ternary occurrence.
• D) participation level.
• E) join level.

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Definitions:

Exposure-Disease Relationship

The association between a specific factor or exposure and the risk of developing a particular disease or health condition.

Factor X

An element, influence, or set of circumstances that contributes to a result or outcome.

Selection Bias

A distortion in statistical analysis resulting from the method of collecting samples, leading to an unrepresentative sample and misleading results.

Cohort Study

An observational study in which a defined group of people (the cohort) is followed over time to study the incidence of disease or various outcomes.