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Oracle Database 11g provides enterprise messaging infrastructure with Oracle Streams Advanced Queuing (AQ), which is a key component in automating business process workflows for distributed applications. Using AQ, businesses can take advantage of the Oracle Database 11g for enterprise messaging needs without the need for expensive, high-end message-oriented middleware products.
Organizations not only can manage all the data inside the Oracle database, but also manage the flow and exchange of data using messages to different systems in one highly reliable, available and scalable Oracle Database. AQ implements the message queuing functionality natively inside the database and leverages its easy manageability, high performance and security