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SQL code:
create table ttext(a varchar2(10),b number,c number);
create or replace trigger tgtest
before insert or update on ttext
for each row
declare
flag boolean:=false;
v number;
begin
:new.b:=null;
:new.c:=null;
if :new.a is null then return; end if;
for i in 1..length(:new.a) loop
v:=case substr(:new.a,i,1) when 'Ò»' then 1
when '¶þ' then 2
when 'Èý' then 3
when 'ËÄ' then 4
when 'Îå' then 5
when 'Áù' then 6
when 'Æß' then 7
when '°Ë' then 8
when '¾Å' then 9
when 'Áã' then 0
when 'Á½' then 2 end;
if v is not null then
if flag=false then :new.b:=v;
flag:=true;
else :new.c:=v;
return;
end if;
end if;
end loop;
end tgtest;
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