我有以下查询来选择前10名.但是结果显示11行,当我将select更改为前20时,它显示21?
导致此问题的查询是否有问题?
SELECT TOP 10 Format([DutyDate],"ddd"", ""dd-mmm-yy") AS [Shift Date], Count(Shifts.ID) AS Shifts
FROM Shifts
GROUP BY Format([DutyDate],"ddd"", ""dd-mmm-yy")
ORDER BY Count(Shifts.ID) DESC;
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