In a "One-To-Many" Relationship,which Constraint Is Usually Added to the "Many

question 90

Multiple Choice

In a "one-to-many" relationship,which constraint is usually added to the "many" table?​

• A) ​UNIQUE
• B) ​PRIMARY KEY
• C) ​FOREIGN KEY
• D) ​NOT NULL

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Definitions:

Alternative Hypothesis

The hypothesis that proposes a significant difference exists between groups or variables, contrasting the null hypothesis.

Unemployment Rate

The unemployment rate is the percentage of the labor force that is jobless and actively seeking employment.

Null Hypothesis

A default hypothesis that there is no effect or no difference, and it is the hypothesis that researchers typically seek to disprove or reject through statistical tests.

Alternative Hypothesis

The hypothesis that proposes a significant difference, effect, or relationship between variables, tested against the null hypothesis in statistical analysis.