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.

  1. Query
  2. Add
  3. Delete
  4. 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.

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