case when then else end
case when.then.else.end
case when then else end
(case A.ZT when 1 then 's318' else null end)
CASE a WHEN 1 THEN b ELSE NULL END
select CNAME=case when CNAME is null then '4' else '1' end f
--简单Case函数 CASE sex WHEN '1' THEN '男' WHEN '2' THEN '女' ELSE
SELECT CASE ABC.A WHEN'否' THEN'1' WHEN'是' THEN'-1' END AS 出入
c#开发cast( (case when b.pbproject_ID is null then 1 else 0 en
case when语句结尾用end 还是end case
sql case when then ...虚心求教
IF then else end if 怎么用的?
IF-THEN-END IF和IF-THEN-ELSE-END IF这里的END IF前后意思不一样吧?