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Explain UNION,MINUS,UNION ALL, INTERSECT?
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Answer / pavan_1981
UNION:set of all rows selected by both queries excluding
duplicates rows.
UNIONALL:set of all rows selected by both queries including
duplicate rows.
MINUS:set of all rows present in the first query and not
present in the second query.
INTERSECT:set of all rows commonly returned by both the
queries.
| Is This Answer Correct ? | 20 Yes | 4 No |
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