SELECT Unitid FROM AssetManagement_Water.Compwmtr
EXCEPT
SELECT UnitID --,
--Compwmtr.Position,
--RouteID,
--Seqno
FROM AssetManagement_Water.Compwmtr,
Metermanagement_Water.RTADDR,
Metermanagement_Water.Route
WHERE Compwmtr.Addrkey = RTADDR.Addrkey
AND RTADDR.Routekey = ROUTE.Routekey
AND RTADDR.Position = Compwmtr.Position