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--현재서버이름확인
select @@SERVERNAME
--현재서버이름삭제
exec sp_dropserver 'WIN-W5K3Z4VQN2M\SQL2005'
--변경한서버이름등록
exec sp_addserver @server ='WIN2008\SQL2005', @local ='local'
--SQL Server 재시작필요
--변경된서버이름확인
select @@SERVERNAME