How to create trigger to log inserts/updates on table?

All,

as our client 'plays' always with the parameters in the database, we'ld like to have a logging of what they did. The easiest way for me seems a trigger, but I always get the erro ORA-4082: can't use old and new in table trigger.

CREATE OR REPLACE TRIGGER OMS.configdicttrig
AFTER INSERT OR UPDATE
ON configdict
BEGIN
insert into configdict_log
values (:old.CATEGORY ,
:old.PARAM,
:old.VALUE ,
:old.OWNER ,
configdictseq.nextval);

insert into configdict_log
values (:new.CATEGORY ,
:new.PARAM,
:new.VALUE ,
:new.OWNER ,
configdictseq.nextval);
commit;
end;

Can you help me on how I can log the old line and the new line?

Thx,

Rik

If you want to use :OLD and :NEW you need to specify for each row in the trigger creation command.

Thx Gandolf, works great now...

Rik