日期:2014-05-17 浏览次数:20481 次
if object_id('TESTA')is not null drop table TESTA
if object_id('TESTB') is not null drop table TESTB
create table TESTA
(
recdate smalldatetime,
rmk nvarchar(100)
)
create table TESTB
(
recdate smalldatetime,
rmk nvarchar(100)
)
insert TESTA
select '2012-09-01','A中第一條'
union select '2012-09-01','A中第二條'
union select '2012-09-02','A中第三條'
union select '2012-09-02','A中第四條'
union select '2012-09-02','A中第五條'
union select '2012-09-02','A中第六條'
insert TESTB
select '2012-09-01','B中第一條'
union select '2012-09-01','B中第二條'
union select '2012-09-01','B中第三條'
union select '2012-09-01','B中第四條'
union select '2012-09-01','B中第五條'
union select '2012-09-02','B中第六條'
union select '2012-09-02','B中第七條'
union select '2012-09-02','B中第八條'
;with cet1 as(select *,row_number()over(partition by recdate order by rmk) rn from testa
),
CET2 as(select *,row_number()over(partition by recdate order by rmk) rn from testb)
select isnull(a.recdate, b.recdate) recdate,
isnull(a.rmk, b.rmk) [a.rmk],case when a.rmk is null then '' else isnull(b.rmk, '') end [b.rmk]
from cet1 a full outer join cet2 b on a.recdate = b.recdate and a.rn = b.rn
/*recdate a.rmk b.rmk
----------------------- -------------------------
2012-09-01 00:00:00 A中第1條 B中第1條
2012-09-01 00:00:00 A中第2條 B中第2條
2012-09-01 00:00:00 B中第3條
2012-09-01 00:00:00 B中第4條
2012-09-01 00:00:00 B中第5條
2012-09-02 00:00:00 A中第3條 B中第6條
2012-09-02 00:00:00 A中第4條 B中第7條
2012-09-02 00:00:00 A中第5條 B中第8條
2012-09-02 00:00:00 A中第6條
(9 行受影响)
*/