Tag: pattern

Oracle SQL – spotting combinations that occur and those that do not – demonstrating Analytical Functions, Outer Join and SubQuery Factoring

Lucas Jellema February 28, 2013 Database, Oracle No Comments

The challenge in this article is a simple one. I have a table with records (duh!) and each record describes the occurrence of a certain payload. In this example …

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JavaOne 2010 presentation: Why and how to engage a Complex Event Processor from a Java Web Application

Lucas Jellema September 22, 2010 Java, Oracle, Oracle WebLogic Server, Web HTML5 CSS3 No Comments

Complex Event Processors are capable of handling large volumes of events – by filtering, aggregating or detecting patterns. Java Applications use a CEP to pre-process incoming signals. These applications …

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