AB两个数据库间需要同步复制表A。两个表的数据结构一样。fid1+fid2组成联合主键。
在当前数据库的查询分析器执行:
insert into dbo.Int_Sales_Orders
select * from ert.Intface_4_FS_KD.dbo.Int_Sales_Orders a
where a.FOrder_Number+a.Forder_Line_Number not in
(select FOrder_Number+Forder_Line_Number from dbo.Int_Sales_Despatch)
提示:“违反了 PRIMARY KEY 约束 'PK_Int_Sales_Orders'。不能在对象 'Int_Sales_Orders' 中插入重复键。
语句已终止。”
请教解决方法。
在当前数据库的查询分析器执行:
insert into dbo.Int_Sales_Orders
select * from ert.Intface_4_FS_KD.dbo.Int_Sales_Orders a
where a.FOrder_Number+a.Forder_Line_Number not in
(select FOrder_Number+Forder_Line_Number from dbo.Int_Sales_Despatch)
提示:“违反了 PRIMARY KEY 约束 'PK_Int_Sales_Orders'。不能在对象 'Int_Sales_Orders' 中插入重复键。
语句已终止。”
请教解决方法。
gocreate table t1(col1 int,col2 char(1))
create table t2(col1 int,col2 char(1))
goinsert t1 select 1,'a'
union all select 1,'b'
goinsert t2 select 1,'b'
union all select 1,'c'
union all select 2,'d'
go
select * from t1
select * from t2
goinsert t2(col1,col2)
select
a.col1,
a.col2
from t1 a
where not exists(
select
*
from t2
where col1 = a.col1
and col2 = a.col2)select * from t1
select * from t2
go
drop table t1
drop table t2
go你的代码是想当然的写法,理会一下这个例子.