/* Good */
        $sql="SELECT host.host_uid,
                     host.host_display,
                     location.location_display
              FROM host,
                   location
              WHERE host.location_uid=location.location_uid
              ORDER BY host.host_display,
                       location.location_display";


        /* Bad */
        $sql="SELECT host.host_uid,host.host_display,location.location_display FROM host,location WHERE host.location_uid=location.location_uid ORDER BY host.host_display,location.location_display";