日期:2014-05-18 浏览次数:20749 次
create table 表1
(编号 varchar(15), 数量 varchar(5), 地址 varchar(5), 产品 varchar(6))
insert into 表1(编号)
select '111206006' union all
select '111206006' union all
select '111206006' union all
select '111206006' union all
select '111206006' union all
select '111206006' union all
select '111207022' union all
select '111207022' union all
select '111207022' union all
select '111207022' union all
select '111207022'
create table 表2
(编号 varchar(15), 数量 varchar(5), 地址 varchar(5), 产品 varchar(6))
insert into 表2
select '111206006', '3', '345', 'ps01' union all
select '111206006', '6', '345', 'ps02' union all
select '111206006', '7', '353', 'ps01' union all
select '111207022', '7', '333', 'ps01' union all
select '111207022', '7', '323', 'ps01' union all
select '111207024', '2', '333', 'ps01' union all
select '111207024', '6', '323', 'ps03' union all
select '111207024', '9', '333', 'ps06' union all
select '111207024', '21', '323', 'ps09'
update t1
set t1.数量=isnull(t2.数量,''),
t1.地址=isnull(t2.地址,''),
t1.产品=isnull(t2.产品,'')
from
(select row_number() over(partition by 编号 order by getdate()) rn,
编号,数量,地址,产品 from 表1) t1
left join
(select row_number() over(partition by 编号 order by getdate()) rn,
编号,数量,地址,产品 from 表2) t2 on t1.编号=t2.编号 and t1.rn=t2.rn
select * from 表1
/*
编号 数量 地址 产品
--------------- ----- ----- ------
111206006 3 345 ps01
111206006 6 345 ps02
111206006 7 353 ps01
111206006
111206006
111206006
111207022 7 333 ps01
111207022 7 323 ps01
111207022
111207022
111207022
(11 row(s) affected)
*/