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Yes, but not for this usage. It’s a set combiner like UNION and INTERSECT. IIRC, Tutorial D has an operator like this use of EXCEPT for attributes called ALL BU
by grzm 8y ago
Yes, but not for this usage. It’s a set combiner like UNION and INTERSECT. IIRC, Tutorial D has an operator like this use of EXCEPT for attributes called ALL BUT.