A Candidate Key Must Satisfy All of the Following Conditions

question 92

Multiple Choice

A candidate key must satisfy all of the following conditions EXCEPT:

• A) the key must uniquely identify the row.
• B) the key must indicate the row's position in the table.
• C) the key must be nonredundant.
• D) each nonkey attribute is functionally dependent upon it.

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Definitions:

Implausible

Lacking a sense of plausibility or credibility; unconvincing.

Informative

Providing useful or interesting information or data.

Patterns Of Explanation

Structured frameworks or methods used to elucidate how or why certain phenomena occur, aimed at enhancing understanding through logical reasoning.

Plausible

Appearing reasonable or probable.