sql server 跨数据库完成数据转移
删除已经存在的表 drop table [Test].dbo.[sales_tblLanguage] --这句是映射一个远程数据库 --EXEC sp_addlinkedserver '192.168.0.27\sqlexpress',N'SQL Server' --这句是登录远程数据库 EXEC sp_addlinkedsrvlogin '192.168.0.27\sqlexpress', 'false', NU
删除已经存在的表 drop table [Test].dbo.[sales_tblLanguage]
--这句是映射一个远程数据库 --EXEC sp_addlinkedserver '192.168.0.27\sqlexpress',N'SQL Server'
--这句是登录远程数据库 EXEC sp_addlinkedsrvlogin '192.168.0.27\sqlexpress', 'false', NULL, 'sa', 'sasa'
--登录后,可以用以下格式操作远程数据库中的对象
select * into [Test].dbo.[sales_tblLanguage]
from [192.168.0.27\sqlexpress].[WSSys].[dbo].[sales_tblLanguage]
exec sp_dropserver,['192.168.0.27\sqlexpress'],'droplogins'
**********************************************************************************************************************************************
开启安全权限
exec sp_configure 'show advanced options',1
reconfigure
exec sp_configure 'Ad Hoc Distributed Queries',1
reconfigure
--1、openrowset
--查询示例
select * from openrowset('SQLOLEDB','sql服务器名';'用户名';'密码',数据库名.dbo.表名)
--生成本地表
select * into 表 from openrowset('SQLOLEDB','sql服务器名';'用户名';'密码',数据库名.dbo.表名)
--把本地表导入远程表
insert openrowset('SQLOLEDB','sql服务器名';'用户名';'密码',数据库名.dbo.表名)
select *from 本地表
--更新本地表
update b
set b.列A=a.列A
from openrowset('SQLOLEDB','sql服务器名';'用户名';'密码',数据库名.dbo.表名)as a inner join 本地表 b
on a.column1=b.column1
关闭安全权限
exec sp_configure 'Ad Hoc Distributed Queries',0
reconfigure
exec sp_configure 'show advanced options',0
reconfigure
****************************************************************************************************************************************
用于数据更新,已经存在就更新,不存在就重新插入
--这句是映射一个远程数据库
EXEC sp_addlinkedserver '192.168.0.27\sqlexpress',N'SQL Server'
--这句是登录远程数据库
EXEC sp_addlinkedsrvlogin '192.168.0.27\sqlexpress','false', NULL, 'sa', 'sasa'
select * from [192.168.0.27\sqlexpress].[WSSys].[dbo].sales_tblLanguage
--登录后,可以用以下格式操作远程数据库中的对象
Merge sales_tblLanguage As Target
Using (Select * From [192.168.0.27\sqlexpress].[WSSys].[dbo].sales_tblLanguage) As Source
on Target.Code = Source.Code And Target.frmName = Source.frmName
WHEN MATCHED THEN
UPDATE Set Language02 = Source.Language02, Language03 = Source.Language03
WHEN NOT MATCHED BY TARGET THEN
Insert (Code, frmName, Language02, Language03) Values (Source.Code, Source.frmName, Source.Language02, Language03);
*******************************************************************************************************************************************

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