create or replace trigger pii_user_activation_trigger
  before insert on pii_user_activation
  for each row
begin
  select seq_pii_user_activation.nextval
    into :new.id
    from dual;
end;

create or replace trigger pii_user_activation_trigger
  before insert on pii_user_activation<
  for each row
begin
  IF :new.id IS NULL THEN
    select seq_pii_user_activation.nextval
      into :new.id
      from dual;
  END IF;
end;

create or replace trigger pii_user_activation_trigger
  before insert on pii_user_activation
  for each row
begin
  IF( :new.id IS NULL )
  THEN
    select seq_pii_user_activation.nextval
      into :new.id
      from dual;
  END IF;
end;

create or replace trigger pii_user_activation_trigger
  before insert on pii_user_activation
  for each row
  WHEN (NEW.id IS NULL)
begin
  select seq_pii_user_activation.nextval
    into :new.id
    from dual;
end;