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Start your free trialMishu Jahur
5,238 PointsHow can "GROUP BY" act on non-column values?
There are 267 employees and 15 with last names starting with 'A'. What does this return?
SELECT COUNT(1) FROM EMPLOYEES GROUP BY 'A';
1 Answer
Steven Parker
231,184 PointsIt doesn't exactly "act on" the constant value, that's part of the point of the question. The fact that the grouping is not being done on a value related to any column determines what will be returned in the result.
Mishu Jahur
5,238 PointsMishu Jahur
5,238 PointsGreat, thanks!