mssql sqlserver 如何编写case when 多条件呢?

摘要:
下文讲述case when中多条件的编写方法，如下所示:
实验环境:sql server 2008 R2  
case when 多条件编写方法 
case when多条件编写语法：

---

case
when 条件1 and 条件2 then '1'
when 条件1 and 条件2 then '1'
else
end

---

case when 多条件编写举例  

create table [maomao365.com]
(keyId int identity,
xingBie varchar(100)
)
go

insert into [maomao365.com]
(xingbie)values(''),
(''),('')
,(''),('')
go

select
keyId,
case
when xingBie ='' or xingBie =''
then N'性别'
when xingBie =''
then N'未填写！'
else ''
end as xingBie
from [maomao365.com]

go
truncate table [maomao365.com]
drop table [maomao365.com]