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In computing, Oracle Advanced Queuing is a sort of message-oriented middleware developed by Oracle Corporation and integrated into its Oracle database.

AQ uses database structures as a repository for asynchronous queuing as an element in various Oracle-oriented and heterogeneous operations. Oracle features utilising Advanced Queuing include:

In Oracle Data Guard primary databases the queue monitor process interacts with AQ.

As of Oracle release 9.2, AQ comes bundled with Standard Edition and Enterprise Edition at no extra cost.

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