डेटाबेस से प्रत्येक समूह में अंतिम रिकॉर्ड प्राप्त करना - SQL सर्वर 2005/2008

;with cteRowNumber as (
    select COMPUTERNAME, SERIALNUMBER, USERNAME, LASTIP, LASTUPDATE, SOURCE,
           row_number() over(partition by COMPUTERNAME order by LASTUPDATE desc) as RowNum
        from YourTable
)
select COMPUTERNAME, SERIALNUMBER, USERNAME, LASTIP, LASTUPDATE, SOURCE
    from cteRowNumber
    where RowNum = 1