Hi,
Is this what your after :
Select Top 1000000 tblAssets.AssetID,
tblAssets.AssetName,
Case
When tblAssetUserRelations.Username Is Null Then 'No'
Else 'Yes'
End As Relationship,
tsysAssetTypes.AssetTypename As AssetType,
tblAssetUserRelations.Username,
tblAssets.Scanserver
From tblAssets
Inner Join tblAssetCustom On tblAssets.AssetID = tblAssetCustom.AssetID
Inner Join tsysAssetTypes On tsysAssetTypes.AssetType = tblAssets.Assettype
Left Join tblAssetUserRelations On
tblAssets.AssetID = tblAssetUserRelations.AssetID
Left Join tblADComputers On tblAssets.AssetID = tblADComputers.AssetID
Inner Join tblState On tblState.State = tblAssetCustom.State
Left Join tsysOS On tblAssets.OScode = tsysOS.OScode
Where tblAssets.Assettype = -1
Order By tblAssets.AssetName