JavaServer Faces or JSF is grate technology for the development of user interfaces for web applications. The Java Server Faces specification is defined by JSR 127 of the Java Community Process.
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Note that the outer query references the dummy table called “dual” the dual table is used in Oracle when you need to run SQL that does not logically have a table name. For example, we can select our current user ID from dual and the current date fro
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