求百分比的有关问题
日期：2014-05-16 浏览次数：20685 次
求百分比的问题
select SUM(case when isnull(t3.BAG16,'0')<>'0' then 1 else 0 end )as jiyao,
COUNT(1) as heji
from V_VAJ5 t1 join BBY1 t2 on t1.BBY05=t2.BBY05 join BAG1 t3 on t2.BBY01=t3.BBY01
where t1.VAJ46 between '2014-01-01' and '2014-01-30'
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需要得到jiyao/heji*100+'%'的值
------解决方案--------------------
改成这样：
select SUM(case when isnull(t3.BAG16,'0')<>'0' then 1 else 0 end )as jiyao,
COUNT(1) as heji
from V_VAJ5 t1 join BBY1 t2 on t1.BBY05=t2.BBY05 join BAG1 t3 on t2.BBY01=t3.BBY01
where t1.VAJ46 between '2014-01-01' and '2014-01-30'
----------------------------------------
需要得到jiyao/heji*100+'%'的值
------解决方案--------------------
改成这样：
select * , cast(cast(jiyao*1.0/heji*100.0 as numeric(10,2)) as varchar)+'%' as '百分比' from (
select SUM(case when isnull(t3.BAG16,'0')<>'0' then 1 else 0 end )as jiyao,
COUNT(1) as heji
from V_VAJ5 t1 join BBY1 t2 on t1.BBY05=t2.BBY05 join BAG1 t3 on t2.BBY01=t3.BBY01
where t1.VAJ46 between '2014-01-01' and '2014-01-30') a
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