ORACLE TECHNOLOGY

Why ADF ?     Oracle ADF (Application Development Framework) is state of the art technology to rapidly build enterprise application. ADF is a mature J2EE development framework and many other products under Oracle Fusion Middleware stack are build upon ADF 11g. ADF provides variety of inbuilt components that minimizes the need to write code allowing users to focus more on features and business aspects of the application. With WebCenter and SOA plugins, we can also integrate WebCenter Services and SOA into your application making it rich and extensible. Explain about JSF lifecycle ? The six phases of the JSF application lifecycle are as follows (note the event processing at each phase): -Restore view -Apply request values; process events -Process validations; process events -Update model values; process events -Invoke application; process events -Render response Immediate=true : A command button that does not provide any navig

1. What is policy store and identity store in OID?                          Identity Store is used to store information about users and groups while the Policy Store is used to store information about security policies. 2. What is the difference between databindings.cpx and datacontrol.dcx? DataBindings.cpx : It contains the Oracle ADF binding context for your entire application and provides the metadata from which the Oracle ADF binding objects are created at runtime. JDeveloper creates this file the first time you bind data to a UI component. DataControls.dcx  : It  contains information needed to initialize the data control to work with a particular service (JavaBean, EJB, XML, Webservice and so on). JDeveloper creates this file the first time you create data control i.e when you register data controls on the business services. This file is not generated for Oracle ADF Business Components. It identifies the Oracle ADF model layer data control classes(factory classes) t