MS Access中SQL的总和最大

Question

SELECT  
    tableResults.PoliticalParty, 
    MAX(PoliticalPartyVotes.TotalVotes) AS [EX11]
FROM
    (SELECT 
         tableResults.PoliticalParty, 
         SUM(INT(tableResults.Votes)) AS TotalVotes
     FROM tableResults 
     GROUP BY tableResults.PoliticalParty) AS PoliticalPartyVotes;

这不起作用，tableResults.PoliticalParty没有最大显示一个结果。>

SELECT tableResults.PoliticalParty，MAX（PoliticalPartyVotes.TotalVotes）AS [EX11]来自（SELECT tableResults.PoliticalParty，SUM（INT（tableResults.Votes））AS ...

Answer 1

如果您希望PoliticalParty的票数最多，则可以在现有的汇总查询中使用ORDER BY和TOP (1)：