我有以下查询:SUM基于不同类型
SELECT
ISNULL(DrugName,'Sub Total:') as Drug,
SUM(COUNT) as Count,
Percentage
FROM
(
SELECT
DrugName,
DrugCategoryName,
COUNT(*) as Count,
CONVERT(DECIMAL(10,2),COUNT(*) * 100.0/SUM(COUNT(*)) over()) as Percentage
FROM
Visit V
INNER JOIN Drug D on
V.DrugID = D.DrugID
INNER JOIN DrugCategory DC on
D.DrugCategoryID = DC.DrugCategoryID
GROUP BY GROUPING SETS
((DrugName, DrugCategoryName))
) a
GROUP BY GROUPING SETS
((DrugName, DrugCategoryName, Percentage), (DrugCategoryName))
其结果如下:
Drug Count Percentage
Amphetamines 401 4.24
Benzodiazapine 435 4.60
Biodone 459 4.85
Sub Total: 1295 NULL
Brown Heroin 436 4.61
Buprenorphine 396 4.18
Cocaine 444 4.69
Did not inject 404 4.27
Endone 450 4.75
Fentanyl Patch 404 4.27
Heroin 1365 14.42
Heroin & Cocaine 448 4.73
Ice/Crystal/Meth 889 9.39
Sub Total: 5236 NULL
Kapanol 427 4.51
Methadone 430 4.54
Methadone Syrup 394 4.16
Morphine 417 4.41
MS Contin 438 4.63
MS Mono 424 4.48
Other Amphetamines 404 4.27
Sub Total: 2934 NULL
什么我也需要做的是计算小计百分比,所以例如第一个小计总计为1295,因此计算基于1295 + 5236 + 2934的百分比并获得13.68%的值,以此类推其他小计总计行。
这怎么能动态完成,所以无论小计总量是多少,它都能正确计算出来?
你尝试过做SELECT ISNULL(DrugName, '小计:' )as Drug, SUM(COUNT)as Count, SUM(Percentage)/ SUM(COUNT)AS perc ...然后全部和以前一样 – Cato
是的,我感谢@Cato - 没有好处。 – Philip
您将需要在那里通过DrugCategoryName'订购。 – shawnt00