On 20/12/2011 16:55, Ram Srinivasan wrote: Hi Ram, > All: > I have an Apps Server - Solaris 9 - Oracle Forms And Reports Installation > - version 10.1.2.0.2. This was built in 2008, and noone has ever since > touched it. An application is running on this server, which is used by > hundreds of people. This application was developed and written by some team > in 2008, which does not work here anymore, as their contract expired. > This apps server is looking to a database at version 10.2.0.4.4. So far > there is no problem. Application is working all right. > > Questions: > > 1. If I upgrade the underlying database to 10.2.0.5.3, will the application > still talk to the database? > 2. Later if I upgrade the underlying database to 11.2.0.2.2, will the > application still talk to the database? > > Restrictions: I cannot touch the application software, nor the hardware. > Could you upgrade the OS? Oracle 11.2 requires at least Solaris 10 Update 6. Regards Dimitre -- //www.freelists.org/webpage/oracle-l