How to dequeue a message from a queue

I am able to Queue a request from a trigger. How do i dequeue this message.
SELECT consumer_name, enq_txn_id, enq_time, enq_timestamp, user_data
FROM AQ$PROCESSASSETS_Q;
CONSUMER_NAME     ENQ_TXN_ID     ENQ_TIME     ENQ_TIMESTAMP     USER_DATA
ASSET     8.5.12279     2/12/2008 4:07:36 PM     2/12/2008 4:07:36.225870 PM     (286689, 12/10/2007 8:00:00 AM, 12/16/2007 10:00:00 PM)
ASSET     3.20.181957     2/13/2008 3:18:45 PM     2/13/2008 3:18:45.137110 PM     (286689, 12/10/2007 8:00:00 AM, 12/16/2007 11:00:00 PM)
Thanks
-Prasad

Have you looked at
DBMS_AQ.DEQUEUE(
   queue_name          IN      VARCHAR2,
   dequeue_options     IN      dequeue_options_t,
   message_properties OUT     message_properties_t,
   payload             OUT     "type_name",
   msgid               OUT     RAW);or other functionality offered by package dbms_aq.

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http://download.oracle.com/docs/cd/E17904_01/apirefs.1111/e13952/taskhelp/jms_modules/queues/ManageQueues.html
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void TryAnydataDequeue(oracle::occi::Connection * conn)
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After you have done this processing and successfully performed a commit, what is the output of the following query:
SQL> connect AQADMIN/password
SQL> select msg_state from aq$<your_queue_table_name_goes_here> ;?
If it is PROCESSED, check your queue retention settings.
Additionally, make sure that the init.ora parameter AQ_TM_PROCESSES is set to a NON-ZERO value for this to happen.

Dequeueing message from xmltype queue

I have the queue build upon the XMLType (too complex to use it as a payload). When I'm trying to dequeue messages with ESB AQ Adapter they are not passing through. When building the service adapter I've specified the same schema file as destination payload type so it's rather impossible to have any differences. Is it necessary to do anything special (transformations or so) to make it working ?

This is not a supported feature. The best solution is to write a java callout to pull the message from the queue.
Gregory Haardt
ALSB Prg. Manager
[email protected]
Edited by ghaardt at 09/11/2007 4:00 PM

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http://www.oratechinfo.co.uk/aq.html
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I think just for deleting the jobs you can do this only
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How to dequeue a message from a queue

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