Steps to upgrade to 10g R2

Our unit will soon be deploying IE7 to our machines. I'm looking for simple instructions to upgrade to 10g R2. We are currently on 10g R1 (9.0.4). I assume it will be a simple de-install of DevSuite R1 and re-install of DevSuite R2 (10.1.2.0.2). But is there also a patch I need to install? I also found a whitepaper to help in understanding how to use JRE w/ running forms in IE7 as I understand the JRE is recommended over JInitiator. Is that correct?
So to recap the steps:
1. de-intall DevSuite R1 (9.0.4)
2. Install DevSuite R2 (10.1.2.0.2)
3. Install a patch? (not sure on this part)
4. Install JRE - is this just on the client side or is there something necessary on the server?
Am I missing anything?
Thanks, phil

I have forms running on my test machine after installing the Forms and Reports Services standalone product. I also installed the DevSuite on a separate home. I am having trouble with the OPatch for installing patch 3 but I have been able to test the forms successfully. Though I need to set up the db connection. I get the ORA-12154 TNS error. I have the info in the tnsnames file but I assume I need to configure w/ the Net Configuration Assistant?
I also have this running w/ JRE instead of the JInitiator which seems to be working very well.
So if anyone can point me in the right direction for:
1. Setting up db connection to my forms
2. OPatch use for installing patches
3. info on webutil...do I need the webutil object and library as I did in the 10g 9.0.4 version?
thank you.

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Hi gerardnico,
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(PRESENTATION = RO)
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SQL*Plus: Release 10.2.0.1.0 - Production on Thu Jun 16 04:36:10 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
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Oracle Upgrade from 10g to 11g [BRANCHED BY MODERATOR]

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Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
Version:       2.1.15
Revision:      5.1.2.26
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PSUs:          supported
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Strpd. Readmes:<none>
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========================================================
GENERIC OPATCH VERSION - FOR USE IN SAP ENVIRONMENT ONLY
========================================================
Oracle Interim Patch Installer version 11.2.0.3.3
Copyright (c) 2012, Oracle Corporation. All rights reserved.
Oracle Home       : /oracle/<SID>/11203
Central Inventory : /oracle/<SID>/oraInventory
   from           : /oracle/<SID>/11203/oraInst.loc
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LsInventorySession failed: OracleHomeInventory gets null oracleHomeInfo
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APS

FOLLOW UP QUESTION BRANCHED:
Oracle Upgrade from 10g to 11g [BRANCHED BY MODERATOR]

Requirement to upgrade OBIEE 10g on Windows to OBIEE 11g on Linux

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Edited by: user10615659 on May 23, 2013 11:22 AM
Edited by: user10615659 on May 23, 2013 12:26 PM

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Hello,
not sure exactly what do you want.
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Yes, me, for example
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