CASE WHEN LEN(GY_YGDM.YSSFZH)>0 THEN left(CAST(GY_YGDM.YSSFZ
CASE WHEN LEN(GY_YGDM.YSSFZH)>0 THEN left(CAST(GY_YGDM.YSSFZ
c#开发cast( (case when b.pbproject_ID is null then 1 else 0 en
case when.then.else.end
case when then else end
sql case when then ...虚心求教
--简单Case函数 CASE sex WHEN '1' THEN '男' WHEN '2' THEN '女' ELSE
e,catchword,len);ipse(250,250,0,360,right,left);
(case A.ZT when 1 then 's318' else null end)
CASE a WHEN 1 THEN b ELSE NULL END
PLSQL中,select case..when..then..怎么用?
SELECT CASE ABC.A WHEN'否' THEN'1' WHEN'是' THEN'-1' END AS 出入
=SUMPRODUCT(--(0&LEFT(A4:C4,2*LEN(A4:C4)-LENB(A4:C4))))求解释