Referential Integrity constraints functions using the _________ concept.
2025
Referential Integrity constraints functions using the _________ concept.
- A.
Primary key
- B.
Super key
- C.
Foreign key
- D.
Secondary key
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Correct answer: C
Referential integrity ensures relationships between database tables remain consistent and valid. This constraint is enforced using foreign keys that reference primary keys in related tables, preventing orphaned records and maintaining data accuracy across the database schema.