Do the applications built with Oracle9i JDeveloper work in any J2EE application server and database environment?
Yes. Oracle9i JDeveloper builds standards based applications that run on any J2EE certified application server and any SQL92 certified database. For the middle tier, specific features and documentation have been added to support BEA WebLogic, JBoss and IBM WebSphere. For the database tier, Oracle, DB2 and Microsoft SQL Server are tested by the development teams and any database with standard JDBC drivers will integrate seamlessly.