Computer Science · Database Management Systems
How does the UNION ALL operator structurally differ from the standard UNION operator in SQL?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1UNION ALL removes duplicate records from the final combined result-set
- 2UNION ALL retains duplicate records in the final combined result-set✓
- 3UNION ALL automatically sorts the combined results in ascending order
- 4UNION ALL allows filtering rows using a WHERE clause while UNION does not
Correct answer
UNION ALL retains duplicate records in the final combined result-set
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