Radio buttons with validate item trigger

Question

hi,
how can execute this trigger
I am completely new in oracle
would it be like this?
using trigger when_radio_changed
>
declare
quantityA number;
begin
IF :radio_button1=1 THEN
SELECT quantity_on_hand
into quantityA
FROM INVENTORIES
WHERE Product_ID = :Product_ID;
IF :quantity > QuantityA THEN
MESSAGE ('the inventory is not enough');
raise form_trigger_failure;
else
null;
END IF;
Exception when no_data_found then
message('Invalid product ID');
raise form_trigger_failure;
end ;
end if;>
thank you very much

Answer 1

Hi,
if five radio buttons are in a single group , you need to write only one trigger
when-radio_changed
syntax
Declare
v_local_varaible <datatype>;
Begin
If :radio_group:=1 then
elsif radio_group=2 then
elsif  radio_group=3 then
elsif radio_group=4 then
elsif radio_group =5 then
end if;
end;