Find all PCs without .Net 2.0

select distinct
 SMS_G_System_SYSTEM.Name
from 
 SMS_R_System inner join SMS_G_System_SYSTEM on SMS_G_System_SYSTEM.ResourceID = SMS_R_System.ResourceId
where
 SMS_R_System.ResourceId not in (select distinct
   SMS_G_System_COMPUTER_SYSTEM.ResourceID
     from 
   SMS_G_System_COMPUTER_SYSTEM inner join SMS_G_System_ADD_REMOVE_PROGRAMS on SMS_G_System_ADD_REMOVE_PROGRAMS.ResourceID = SMS_G_System_COMPUTER_SYSTEM.ResourceId
     where
   SMS_G_System_ADD_REMOVE_PROGRAMS.DisplayName like “%.NET Framework 2.0%”)
order by
 SMS_G_System_SYSTEM.Name