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DBMS Nested-Loop Join Algorithm MCQs
A scanning of the inner loop can be performed alternately in _____ directions
16. A scanning of the inner loop can be performed alternately in _____ directions.
- Forward
- Reverse
- Both A and B
- None of the above
Answer: C) Both A and B
Explanation:
A scanning of the inner loop can be performed alternately in forward and reverse directions.