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Sql 显示列中值的最小数目_Sql_Db2 - Fatal编程技术网

Sql 显示列中值的最小数目

Sql 显示列中值的最小数目,sql,db2,Sql,Db2,我使用select语句获取俱乐部列表的计数: SELECT club,COUNT(club) as mycount FROM member GROUP BY club CLUB COUNT --------------- ----------- UCLA Club 5 George Club 11 我需要显示计数表的最小数量: CLUB COUNT ---

我使用select语句获取俱乐部列表的计数:

SELECT club,COUNT(club) as mycount FROM member GROUP BY club


   CLUB            COUNT      
--------------- -----------

UCLA  Club                 5
George Club                11
我需要显示计数表的最小数量:

    CLUB            COUNT
--------------- -----------
UCLA Club                  5
我使用了这个语句,但它只显示了最小计数为1列。我需要表格看起来像上面的表格。我如何才能获得俱乐部的名称:

从选择俱乐部中选择MINmycount作为计数,按俱乐部从成员组中选择COUNTclub mycount

我试着做:

SELECT club,MINmycount作为SELECT club的计数,COUNTclub mycount作为yrb_会员组的计数

但是,当我在选择“使用order by”和“先取”后放入club时,会出现一个错误:

注意:如果存在连接,则返回多行

编辑:

如果您需要处理领带,请使用RANK:

使用order by和fetch first:

注意:如果存在连接,则返回多行

编辑:

如果您需要处理领带,请使用RANK:


我的回答长了一点,但我没有想到:

SELECT cl.club, cnt.mincnt FROM
    (SELECT club, COUNT(*) cnt FROM member GROUP BY club) cl,
    (SELECT MIN(cnt) mincnt FROM (SELECT club, COUNT(*) cnt FROM member GROUP BY club)) cnt
WHERE cl.cnt = cnt.mincnt;

我的回答长了一点,但我没有想到:

SELECT cl.club, cnt.mincnt FROM
    (SELECT club, COUNT(*) cnt FROM member GROUP BY club) cl,
    (SELECT MIN(cnt) mincnt FROM (SELECT club, COUNT(*) cnt FROM member GROUP BY club)) cnt
WHERE cl.cnt = cnt.mincnt;

如果有两个俱乐部的会员数量相同,我需要同时显示这两个怎么办?如果有两个俱乐部的会员数量相同,我需要同时显示这两个怎么办?
SELECT cl.club, cnt.mincnt FROM
    (SELECT club, COUNT(*) cnt FROM member GROUP BY club) cl,
    (SELECT MIN(cnt) mincnt FROM (SELECT club, COUNT(*) cnt FROM member GROUP BY club)) cnt
WHERE cl.cnt = cnt.mincnt;