You can upgrade from Oracle Reports 11g Release 1 to 11g Release 2. To upgrade from Oracle Reports 11g Release 1 to Oracle Reports 11g Release 2, see Oracle Fusion Middleware Upgrade Guide for Oracle Forms and Reports.
Upgrading from Oracle Reports 10.1.2.x to 11g Release 2 (11.1.2) is fully automated:
Integrated with Oracle Fusion Middleware Upgrade framework.
Automated configuration reduction mapping.
Extensive logging and diagnostics.
No loss of functionality.
Oracle Reports 11g Release 2 (11.1.2) is fully backward compatible and interoperable with 10.1.2.x:
10.1.2.x server/client compatible with 11g Release 2 (11.1.2) server/client.
Note:
This interoperability scenario requires the Patch 7597820 to be installed. You can download this patch from the following URL:
http://updates.oracle.com/download/7597820.html.
This patch is required to address the CORBA IDL changes between the two releases for the Job Status information. If you want to use rwservlet of Reports 10g Release 2 (10.1.2.3) with the Reports 11g Release 1 (11.1.1) Server, ensure that you install this patch on your 10.1.2.3 installation. You can download this patch from http://support.oracle.com.
10.1.2.x reports can be run without any changes or loss of functionality.
Support for Oracle Portal and Oracle Internet Directory based security along with new Java EE security.
Support for 10.1.2.x Toolkit-based font model along with new Java-based font model.
Support for interoperability with 10.1.2.x Oracle Forms Services, Oracle Portal, and Oracle Internet Directory.