Last Logon User

For full details see: http://www.windows-noob.com/forums/index.php?/topic/7022-last-logged-user/

Select 
    R.Netbios_Name0,
    R.User_Domain0 + '\' + R.User_Name0,
    CS.UserName0
from 
    dbo.v_R_System R
    join dbo.v_GS_COMPUTER_SYSTEM CS on R.ResourceID = CS.ResourceID
    join dbo.v_FullCollectionMembership FCM on R.ResourceID = FCM.ResourceID
Where
    FCM.CollectionID = 'SMS00001'