1.exec sp_dropserver 'srv','droplogins'
exec sp_addlinkedserver 'srv','','SQLOLEDB','172.16.20.11'
exec sp_addlinkedsrvlogin 'srv','false',null,'sjsqladmin','sql3125'
exec sp_serveroption 'srv','rpc out','true'
select top 10 * from srv.CCLFawillHR312.dbo.emp1000c
exec sp_helpserver
select * from sysservers where srvname='srv'
2.select * from
OPENDATASOURCE(
'SQLOLEDB',
'Data Source=172.16.21.166;User ID=sa;Password='
).pms.dbo.plan_index