在我的SQL表中,我有"country“和"we200326”列。列"we200326“只包含"1”或"NULL“条目。我写了下面的声明,但它给出了一个错误,但我不知道我做错了什么(我对此非常陌生): SELECT country, we200326, (SUM(we200326) OVER (PARTITION BY country) AS Country
一个员工不能因为相同的原因多次加薪,所以EmployeeID和RaiseReason的组合是唯一的。 每次加薪后,我需要保持每个员工的工资总额。所以我有: SELECT CurrentSalary + SUM(RaiseAmount) OVER (PARTITION BY EmployeeID, RaiseReason ORDER BY EmployeeID, RaiseReason) AS RunningSalar
COUNT(Filetype) * 100.0) / (SELECT COUNT(*) FROM infofile)) AS DECIMAL(10,2)) AS 'Percentagem (%)',COUNT('Nº de extensões'),SUM(Filesize),
SUM(Filesize) /
我有一个sql查询,它生成以下表格,但我希望能够获得按类别分组的标记列的总数:
代码如下:pis.Code as Code,count(it.ID) as 'total count',sum(case when ito.rating <50 then 1else 0 end) as 'unfav count',
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