Script to purge orphan messages from the system notification queue (Doc ID 2223170.1)

Last updated on APRIL 26, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.

Goal

Orphan messages in the system notification queue (AQ_SRVNTFN_TABLE_Q_N) can cause the notification mechanism to stall and prevent further processing as explained in <NOTE:331372.1>.

This Note is intended to illustrate how to delete orphan messages from the notification queue without having to purge the entire queue.  This is particularly useful when there is more than one queue registered for notifications and the orphan entries are associated to only some of the queues.

Solution

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