我觉得这很常见,是吗?
如果你有一张桌子SALES {Customer_ID, Price, SmallDateTime date}
.您如何报告每月的所有销售额?
SELECT Sum(Price) As Total Sales FROM SALES Group By What Having What
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谢谢
mel*_*okb 27
SELECT YEAR(date) as SalesYear,
MONTH(date) as SalesMonth,
SUM(Price) AS TotalSales
FROM Sales
GROUP BY YEAR(date), MONTH(date)
ORDER BY YEAR(date), MONTH(date)
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