create trigger trg_fee_before_insert
before insert on Fee
for each row
begin
insert into Exam (AppNo)
values :new.AppNo
exception
when dup_val_on_index then
null;
when others then
....;end if;
before insert on Fee
for each row
begin
insert into Exam (AppNo)
values :new.AppNo
exception
when dup_val_on_index then
null;
when others then
....;end if;
before insert on Fee
for each row
begin
insert into Exam (AppNo)
values :new.AppNo
exception
when dup_val_on_index then
null;
when others then
....;end;
before insert on Fee
for each row
begin
insert into Exam (AppNo)
values :new.AppNo;
exception
when dup_val_on_index then
null;
when others then
....;end;