James,

J> Just want to know if there are things to do after committing a
J> transaction which result to a failure due to some exception raise.

I'm not sure I got the question right, but here is a pretty common
usage pattern for transactions:

starttransaction;
try
// do things
commit;
except
rollback;
raise;
end;

Ciao
--
Nando Dessena
mailto:nandod@...