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sqlsErvEr Count CAsE

CASE WHEN price

select sum(case when A.CLOSE_ID='T' then 1 else 0 end) from (select distinct A.CLOSE_ID,A.MO_NO from A) T '完成种数'=COUNT(CASE WHEN A.CLOSE_ID='T' THEN A.MO_NO ELSE 0 END)这句的逻辑就有问题,你要求A.CLOSE_ID='T' 时, A.MO_NO ...

count函数计算的条数和用户的分组类别字段有关; sql1:select count(*) from tablename ; 解释:上面的语句就是查询出tablename表总条数。 sql2:select count(name) from tablename group by name; 解释:上面的语句就是将tablename表通过name...

sum(case when 条件 then 1 else 0 end) 你说的是这种的吧 ,如果统计条数的话就要用sum ,用count无论是1还是0都是都会统计进去

没有看到整个存储过程的语句,当就这一条语句看不出什么东西。

select count(case when status='success' then 1 else 0 end),count(case when status='failed' then 1 else 0 end) ,convert(char,created,112) from biao group by convert(char,created,112)

select 班级编号,case con when isnull(con,0)>0 then '该班级有党员' end as 是否有党员 from ( select 班级编号,count (*) as con from 学生基本信息表 where 班级编号=20041001 and 政治面貌='党员' group by 班级编号,政治面貌) taba

select count(case 分数字段 when 100 then 1 end) as [满分],count(case when 分数字段 between 90 and 99 then 1 end) as[90-99分],count(case when 分数字段 between 80 and 89 then 1 end) as[80-89分],count(case when 分数字段 between 70...

Select A, count(B) as total, sum(case when B > 30 then 1 else 0 end) as total1, sum(case when B > 20 then 1 else 0 end) as total2 from ABC group by A

selectsum(casewhenA.CLOSE_ID='T'then1else0end)from(selectdistinctA.CLOSE_ID,A.MO_NOfromA)T'完成种数'=COUNT(CASEWHENA.CLOSE_ID='T'THENA.MO_NOELSE0END)这句的逻辑就有问题,你要求A.CLOSE_ID='T'时,A.MO_NO的个数吗?那样你直接写selec...

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