sqlserver建dblink

--建立连接
exec sp_addlinkedserver'ITSV' ,'' , 'SQLOLEDB' ,'IP地址不加端口'

exec sp_addlinkedsrvlogin'ITSV' ,'false' ,null , 'username' ,'password'
--测试
select* from ITSV.Meetrend.dbo.TcCustomerAuth


drop table TcCustomerAuth从正式库复制数据select * into TcCustomerAuth from ITSV.Meetrend.dbo.TcCustomerAuth;