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DBMS Merge Join Algorithm MCQs
Prior to applying the merge join algorithm, we must ____ the given input relations r and s if any of the join attributes are not sorted
8. Prior to applying the merge join algorithm, we must ____ the given input relations r and s if any of the join attributes are not sorted.
- Query
- Add
- Delete
- Sort
Answer: D) Sort
Explanation:
Prior to applying the merge join algorithm, we must sort the given input relations r and s if any of the join attributes are not sorted.