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Sql select sum语句_Sql - Fatal编程技术网

Sql select sum语句

Sql select sum语句,sql,Sql,我创建了这个select语句,我将转换为视图。我需要帮助。我需要能够在报告页面上添加少数民族总数=是和否显示总数 select ps.BidPackage_ID, ps.Project_ID, SUM (case ps.Minority when 'Yes' then 1 else 0 end) MinorityTotal, SUM (case ps.Gender when 'Female' then 1 else 0 end) FemaleTotal,

我创建了这个select语句,我将转换为视图。我需要帮助。我需要能够在报告页面上添加少数民族总数=是和否显示总数

select
    ps.BidPackage_ID,
    ps.Project_ID,
    SUM (case ps.Minority when 'Yes' then 1 else 0 end) MinorityTotal,
    SUM (case ps.Gender when 'Female' then 1 else 0 end) FemaleTotal,
    SUM(case ps.Cleveland_Resident when 1 then 1 else 0 end) ClevelandResidents,
    ps.SubContractor
from
    PersonnelSummary ps
group by
    ps.BidPackage_ID,
    ps.Project_ID,
    ps.SubContractor
你几乎做到了:

...
SUM (case ps.Minority when 'Yes' then 1 else 0 end) AS MinorityYes,
SUM (case ps.Minority when 'No' then 1 else 0 end) AS MinorityNo,
COUNT(*) AS Total,
...
对于
Total
我假设每一行都应该被计数。这是您想要的,如果:

  • 列中唯一存在的值是“是”和“否”或
  • 与“是”和“否”不同的值也应计入总数

    • 你逼我们猜你想要什么。你们有很多人说他们是少数民族;你想数一数说不的人吗?或者你想数一数说“是”或“否”的人数,并排除那些拒绝回答或根本不回答的人

      select
          ps.BidPackage_ID,
          ps.Project_ID,
          SUM (case ps.Minority when 'Yes' then 1 else 0 end) MinorityTotalYes,
          SUM (case ps.Minority when 'No'  then 1 else 0 end) MinorityTotalNo,
          SUM (case ps.Minority when 'Yes' then 1 when 'No' then 1 else 0 end) 
          AS StatedMinorityTotal,
          SUM (case ps.Gender when 'Female' then 1 else 0 end) FemaleTotal,
          SUM(case ps.Cleveland_Resident when 1 then 1 else 0 end) ClevelandResidents,
          ps.SubContractor
      from
          PersonnelSummary ps
      group by
          ps.BidPackage_ID,
          ps.Project_ID,
          ps.SubContractor
      

      SQL Server?还是别的?什么版本?我不清楚你到底想得到什么。你能包含一些样本数据和预期输出吗?或者试着用另一种方式解释它?所以“MinorityTotal”实际上是“Total”?