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By contrast, UNION ALL does not ____ duplicate rows between several SELECT statements, which is what sets it apart from the UNION operator
9. By contrast, UNION ALL does not ____ duplicate rows between several SELECT statements, which is what sets it apart from the UNION operator.
- Add
- Update
- Remove
- None
Answer: C) Remove
Explanation:
By contrast, UNION ALL does not remove duplicate rows between several SELECT statements, which is what sets it apart from the UNION operator.