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Getting Started with Oracle Event Processing 11g by Lloyd Williams, Robin J. Smith, Alexandre Alves

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Chapter 5. Coding with CQL

In this chapter, you will learn how to program with CQL, Oracle event processing language. CQL provides a high-level descriptive language for performing event processing tasks such as event filtering and event summarisation. Further, it is highly optimised and extremely efficient, therefore allowing your application to handle the ever increasing volume of events in today's systems. Some of the topics we will cover are as follows:

  • Introducing CQL
  • CQL fundamentals
  • The structure and semantics of event processing
  • SQL as a foundation
  • Typing and expressions
  • Timing models

Introducing CQL

As you have learned so far, one of the main components of Oracle Event Processing is the CQL processor. The CQL processor is the brain of the EPN. ...

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