UNION, INTERSECT, and EXCEPT Options
The following query engine hints are available for the three set operations UNION, INTERSECT, and EXCEPT:
| • | DISABLE_PUSH (UNION, INTERSECT, and EXCEPT Option) |
| • | FORCE_DISK (UNION, INTERSECT, and EXCEPT Option) |
| • | PARALLEL (UNION, INTERSECT, and EXCEPT Option) |
| • | ROUND_ROBIN (UNION, INTERSECT, and EXCEPT Option) |
| • | SORT_MERGE (UNION, INTERSECT, and EXCEPT Option) |
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