Alerting about new records in to the database (in perticular table).

Dear membsers,
Alerting about new records in to the database (in perticular table).
i have a sample application like this.
A form based on purchase_requisitions, the data being entered from a network computer by a user with datanetry privileges. let's say the columns are
req_id,req_date,red-from_dept,req_from_emp,req_item_req_qty,req_status. (initially by default req_status is 'NEW').
next..
i have a form based on Pending_requisitions_view for the managers who approves the requisitions, the columns are just req_date,req_from_dept,req_from_emp. all the pending requisitions will come here every 5 minitues it gets refreshed by a timer. and it is a multi record block. from here the manager selects the record and he changes the status to APPROVED or DENIED. this is common scenario.
here is the main problem, the manager has to keep open his form all the time, or if he is working on any other things/forms, it is not possible for him to see requisiotns unless he has to open that form and timer re-freshes the records then only he can see. and again when the application in minimised state we cant see any updates/new entries into requissitions.
im trying to make a full pledges online system. im using Oracle 8i,forms 6i under win 2000.
is there any possibility if there is any new records gets into that table we can have alerts like Yahoo messenger it changes color to Blue when it gets new message if it is minimised state.
Please im keen to get this type of environment.
Thanks in advance

Hi,
i tested like this,
create a table-1 with tow coumns
table-2 clone to table-1, on table-1 i put on-insert trigger insert into table-2. so far it is good, table-2 is getting values.
on table-2 i wrote a database trigger like this
CREATE.. ON INSERT on each row..
begin
IF INSERTING THEN
raise_application_error;
END IF;
end;
now the data not at all getting inserted into any table raising_application_error, so i could not proceed into further..
please advise me..
Thanks a lot

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