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insert into   table_name(colum1,colum2)
select  colum1,colum2
 from  opendatasource('sqloledb','data source=·þÎñÆ÷Ãû;user id=Óû§Ãû ;password=ÃÜÂë ').database_name.dbo.table_name
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  select * from dba_users;
  select * from all_users;
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  select * from user_sys_privs;
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¡¡¡¡select instance_name,logins from v$instance;
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