Purpose of 'Foreign Key' in a table is to ensure
2009
Purpose of 'Foreign Key' in a table is to ensure
- A.
Null Integrity
- B.
Referential Integrity
- C.
Domain Integrity
- 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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