Oracle has a number of product families, such as hardware, databases (Oracle, MySQL, and so on), packaged applications (Fusion applications), and Oracle Fusion Middleware. The latter offers different suites, like Oracle SOA Suite, Oracle BPM Suite, Oracle WebLogic Server Suite, and so on.


Elementary services, either SOAP-based or REST-based services are usually exposed using a web container. In Oracle Fusion Middleware, WebLogic Server is used to host these services. This application server supports Java Enterprise Edition (JEE), including standards for web services.


JEE is divided into a number of logical layers or tiers, such as the client tier, the web tier, the business tier, and the Enterprise Information Systems (EIS ...

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