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DBMS Higher Degree Relationship MCQs
A one-to-one relationship occurs when one occurrence of one entity occurs in ___ instance of another entity
3. A one-to-one relationship occurs when one occurrence of one entity occurs in ___ instance of another entity.
- More than two
- Multiple
- Only Two
- Only One
Answer: D) Only One
Explanation:
A one-to-one relationship occurs when one occurrence of one entity occurs in only one instance of another entity.