I create query for cascade combo boxes:
SELECT tblLocations.LocationID, tblLocations.FacilityID, tblLocations.BuildingID, tblLocations.WingID, tblLocations.FloorID, tblFacilities.Facility & " " & tblBuildings.Building & " " & tblWings.Wing & tblFloors.Floor & "-" & tblLocations.Room AS Location...