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:

Test-Statistic

A value calculated from sample data during a hypothesis test that is used to determine whether to reject the null hypothesis.

Two-Tail Test

A statistical test that determines the significance of a parameter by considering both ends (tails) of the distribution to test for extreme values.

Null Hypothesis

A hypothesis used in statistics that proposes no statistical significance exists in a set of given observations.

Level Of Significance

The threshold below which a p-value must fall for an effect or difference to be considered statistically significant in hypothesis testing.