8
A Sample Application Using AQ

In Chapter 1, "Introduction to Oracle Advanced Queuing" a messaging system for a hypothetical company, BooksOnLine, was described. In this chapter the features of AQ in the BooksOnLine sample application are discussed under the following headings:

• A Sample Application

• General Features of Advanced Queuing
  • System-Level Access Control

  • Message Format Transformation

  • Structured Payloads

  • Queue Payloads Containing XMLType Attributes

  • Queue-Level Access Control

  • Nonpersistent Queues

  • Retention and Message History

  • Publish-Subscribe Support

  • Support for Oracle Real Application Clusters

  • Support for Statistics Views

  • Internet Access

• Enqueue Features

• Dequeue Features

• Asynchronous Notifications

• Propagation Features