Purpose of 'Foreign Key' in a table is to ensure

2009

Purpose of 'Foreign Key' in a table is to ensure

Answer: B. Referential IntegrityA Foreign Key constraint ensures referential integrity. It maintains consistency by ensuring that values in a column match existing values in another table's…

  1. A.

    Null Integrity

  2. B.

    Referential Integrity

  3. C.

    Domain Integrity

  4. D.

    Null and Domain Integrity

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Correct answer: B

A Foreign Key constraint ensures referential integrity. It maintains consistency by ensuring that values in a column match existing values in another table's primary key.

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