oracle行列转换简单方法

creaet table tmp_cs1

nologging as

select a.subsid,

a.yxplanid,

a.yxplanname,

row_number() over (partition by a.subsid order by a.yxplanid) rn

from tmp_cs a

where 1=1;

select a.subsid from tmp_cs1 a group by a.susid having count(*)>1;

select b.susid,

/* 转换语句*/

max(decode(b.rn,1,trim(b.yxplanname),null))||max(decode(b.rn,2,','||trim(b.yxplanname),null))) new

from tmp_cs1 group by b.subsid

常用做报表语句：

select a.subsid,

sum(case when validbillcnt=201001000 then a.amt esle 0 end) as amt10,

sum(case when validbillcnt=201001100 then a.amt esle 0 end) as amt11

from tmp_tb0 a

group by a.subsid