CASE a WHEN 1 THEN b ELSE NULL END
CASE a WHEN 1 THEN b ELSE NULL END
(case A.ZT when 1 then 's318' else null end)
select CNAME=case when CNAME is null then '4' else '1' end f
case when.then.else.end
case when then else end
c#开发cast( (case when b.pbproject_ID is null then 1 else 0 en
SELECT CASE ABC.A WHEN'否' THEN'1' WHEN'是' THEN'-1' END AS 出入
--简单Case函数 CASE sex WHEN '1' THEN '男' WHEN '2' THEN '女' ELSE
case when语句结尾用end 还是end case
delphi if a in[1,2,3,4,5] then b='c' else b=''
将变量x y 中的最大值1赋予给变量a if y>x then a=y else a=x end if 此语句对吗
A=2:b=1:c=0 if a then if b then if c then Print “1” else Pri