delete from entPhysical where deleted != 'NULL';

 select
  devices.hostname,
  ports.ifName,
  ports.port_descr_descr,
  ports.ifAdminStatus,
  ports.ifOperStatus,
  entPhysical.entPhysicalVendorType,
  entPhysical.entPhysicalDescr,
  entPhysical.entPhysicalSerialNum
 from
  ports
   Inner Join devices        On devices.device_id = ports.device_id
   Inner Join entPhysical    On entPhysical.device_id = ports.device_id
                            And ( entPhysical.entPhysicalName = ports.ifName
                             Or   entPhysical.entPhysicalName = ports.port_label 
                             Or   entPhysical.entPhysicalName = CONCAT(ports.ifname, '(volt)')
                                )
 where entPhysicalSerialNum != '';