如何对我的问题进行Sql查询 [英] How to make Sql query for my problem
问题描述
大家好,
我在asp.net中工作.我有一张桌子MyClass.在这里,我有三列.
列是类名,性别,房子.
记录以以下格式填写:
ClassName性别之家
abc公兔
abc公牛
abc母兔
kbc公兔
kbc母公牛
kbc公兔
我的要求是我想以以下格式显示记录.
类名,男性,女性,房屋
abc 1 1兔子
abc 1 0公牛
kbc 2 0兔子
kbc 0 1公牛
类名,男性,女性,房屋
将是输出中的列名.请帮助我,对此将进行什么查询.
Hello Every One,
I am working in asp.net. I have a table MyClass. In this I have three columns.
Columns are classname, gender, house.
records are fill in following format:
ClassName Gender House
abc Male Rabbit
abc male bull
abc female rabbit
kbc male rabbit
kbc female bull
kbc male rabbit
My requirement is that i want to show records in following format.
classname, Male , Female, House
abc 1 1 rabbit
abc 1 0 bull
kbc 2 0 rabbit
kbc 0 1 bull
classname, Male , Female, House
will be column name in ouput. please help me that what query will be make for this.
推荐答案
嗨..
请使用以下查询.
这对您有帮助
Hi..
Please use the below query.
It will help u
select [ClassName],[Male],[female],[House]
from
(select * from tblex)source pivot
(count(Gender) for Gender in ([Male],[female]))pt
order by ClassName
试试这个.......................
Let''s Try with this ...................
select ClassName
, SUM(case when gender = 'Male' then 1 else 0 end) as Male
, SUM(case when gender = 'Female' then 1 else 0 end) as Female
, House
from t1
group by ClassName,House
输出
OUTPUT
--------------------------------------------------
CalssName Male Female House
--------------------------------------------------
abc 1 0 bull
kbc 0 1 bull
abc 1 1 Rabbit
kbc 2 0 Rabbit
--------------------------------------------------
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