SQL Server 백업/복원 예상 완료시간 확인하기

SELECT
session_id,
start_time,
status,
command,
percent_complete,
estimated_completion_time,
estimated_completion_time /60/1000 as estimate_completion_minutes,
--(select convert(varchar(5),getdate(),8)),
DATEADD(n,(estimated_completion_time /60/1000),GETDATE()) as estimated_completion_time
FROM    sys.dm_exec_requests where command = 'BACKUP DATABASE' OR command = 'RESTORE DATABASE'