Select Distinct Top 1000000 tblAssets.Domain,
tblAssets.AssetID,
tblAssets.assetname,
tblAssets.oscode,
tblProcesses.ExecutablePath,
tblProcesses.Caption,
Max(tblProcesses.Lastchanged) last_scan
From tblAssets
Inner Join tblProcesses On tblAssets.AssetID = tblProcesses.AssetID
Where tblProcesses.caption Like 'CcmExec.exe'
Group By tblAssets.Domain,
tblAssets.AssetID,
tblAssets.assetname,
tblAssets.oscode,
tblProcesses.ExecutablePath,
tblProcesses.Caption