How to read LONG RAW data from one table and insert into another table

Question

Hello EVERYBODY
I have a table called sound with the following attributes. in the music attribute i have stored some messages in the different language like hindi, english etc. i want to concatinate all hindi messages and store in the another table with only one attribute of type LONG RAW.and this attribute is attached with the sound item.
when i click the play button of sound item the all the messages recorded in hindi will play one by one automatically. for that i'm doing the following.
i have written the following when button pressed trigger which will concatinate all the messages of any selected language from the sound table, and store in another table called temp.
and then sound will be played from the temp table.
declare
     tmp sound.music%type;
     temp1 sound.music%type;
     item_id ITEM;
cursor c1
is select music
from sound
where lang=:LIST10;
begin
     open c1;
     loop
          fetch c1 into tmp; //THIS LINE GENERATES THE ERROR
          temp1:=temp1||tmp;
          exit when c1%notfound;
     end loop;
CLOSE C1;
insert into temp values(temp1);
item_id:=Find_Item('Music');
go_item('music');
play_sound(item_id);
end;
but when i'm clicking the button it generates the following error.
WHEN-BUTTON-PRESSED TRIGGER RAISED UNHANDLED EXCEPTION ORA-06502.
ORA-06502: PL/SQL: numeric or value error
SQL> desc sound;
Name Null? Type
SL_NO NUMBER(2)
MUSIC LONG RAW
LANG CHAR(10)
IF MY PROCESS TO SOLVE THE ABOVE PROBLEM IS OK THEN PLESE TELL ME THE SOLUTION FOR THE ERROR. OTHER WISE PLEASE SUGGEST ME,IF ANY OTHER WAY IS THERE TO SOLVE THE ABOVE PROBLEM.
THANKS IN ADVANCE.
D. Prasad

Answer 1

You can achieve this in many different ways, one is
1. Create another VO based on the EO which is based on the dest table.
2. At save, copy the contents of the source VO into the dest VO (see copy routine in dev guide).
3. commiting the transaction will push the data into the dest table on which the dest VO is based.
I understand that if we attach VO object instance to region/page, we only can pull and put data in to only one table.
if by table you mean a DB table, then no, you can have a VO based on multiple EOs which will do DMLs accordingly.Thanks
Tapash