Only One ____ Constraint Can Exist for Each Table

question 103

Multiple Choice

Only one ____ constraint can exist for each table.​

• A) ​PRIMARY KEY
• B) ​FOREIGN KEY
• C) ​UNIQUE
• D) ​CHECK

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Definitions:

Significance

The likelihood that a result from data collected and analyzed is not due to chance. It’s often determined through the use of a p-value.

Null Hypothesis

A hypothesis that there is no significant difference or effect in a particular situation, used as a starting point for statistical testing.

Significantly Different

A term used to describe a result in statistical analyses indicating that observed differences or effects are unlikely to have occurred by chance.

Significantly Equal

A term not typically used in statistics; might refer to the concept of achieving statistical significance to claim no difference or equivalence between groups.