11g Database Migration with Old 10g Application server

Hi,
Our Database version : 10.2.0.3.0 10gR2
Oracle Application Server - 10gR2.
Now we are planning to migrate our database from 10gR2 to 11g R2. But now we are not going to migrate our Application server. We are continued to use same 10gR2 application server.
Please provide me what are the pre-checks/ Checklist/ knows issues/ obsolete features i must taken care before and after migrate- from the forms&reports developer and application server admin point of view.
for example some where i seen that the DB Password for 11g is case sensitive so we have to set a variable in form env file like that.
Thanks in advance.

Hi
As a general rule, most sql will perform as fast (or faster) on 11gR2 than 10gR2 - there will always be exceptions that's depends upon each one's application So best choice is to perform a test to ur whole project application. Because as u will find out may be someone has a problem but will not face u because of different application, concepts of handeling a solution for the bussiness requiremnets of the end use but it's nice Step to Rethink before u will be in a problem to pre-consider i appreciate :)
Well, i would also recommand Studing Oracle 11gR2 Upgrade Companion
http://www.google.com.eg/search?sourceid=navclient&ie=UTF-8&rlz=1T4ADFA_enEG418EG418&q=Oracle+11gR2+Upgrade+Companion
Hope u Study and Feed ur Knowlege through it...
Step by step Upgrade from 10gR2 to 11gR2
http://sarith.wordpress.com/2010/10/26/step-by-step-upgrade-from-10gr2-to-11gr2/
Best Regards,
Abdetu...

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11g Database Migration with Old 10g Application server

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