@EndUserText.label: 'Emergency calls of centre A'
@AbapCatalog.enhancement.category: #NOT_EXTENSIBLE
@AbapCatalog.tableCategory: #TRANSPARENT
@AbapCatalog.deliveryClass: #A
define table {{p}}alert_a {
  key call_id : abap.char(10) not null;
  priority    : abap.int1 not null;
  call_date   : abap.dats not null;
  call_time   : abap.tims not null;
  district    : abap.char(4) not null;
}