Oracle DB change notification is not working ..pls help

Question

Can anyone help on my problem ?
Here is the step i done :
Step 1.       Run the following command login as sysdba:
GRANT CHANGE NOTIFICATION TO COPS;
GRANT EXECUTE ON DBMS_CHANGE_NOTIFICATION TO COPS;
Step 2.       Run following create table script and commit:
CREATE TABLE COPS.employees
employee_id NUMBER NOT NULL,
first_name VARCHAR2(10),
last_name VARCHAR2(10),
salary NUMBER
LOGGING
NOCOMPRESS
NOCACHE
NOPARALLEL
NOMONITORING;
ALTER TABLE COPS.employees ADD (
CONSTRAINT employees_PK
PRIMARY KEY
(employee_id));
INSERT INTO employees
VALUES(149,'ALEX','TAN',5000);
Step 3 :Query “select from DBA_CHANGE_NOTIFICATION_REGS”*
I manage to get the notification for insert record appear.
Step 4: Run update query:
update employees set salary = salary + 10 where employee_id = 149;
commit;
Step 5: Re-run the “select from DBA_CHANGE_NOTIFICATION_REGS”*
There is no rows returned.
Can anyone help me on this ? how to trace why the updates notification is not trigger ?

Answer 1

Hi,
I had the same situation in this post by 814992
[Database Change notification running on Unix with c# |http://forums.oracle.com/forums/thread.jspa?messageID=9167210&#9167210]
Can somebody help why database notification cannot works in unix platform ?
Regards,
Chua
Edited by: user13476831 on Dec 14, 2010 7:00 PM