Database downgrade - MOS useful notes

Are you planning a database upgrade keeping a back-out (downgrade) plan in mid? Here are a few very important MOS docs explains all about:

• How To Downgrade From Database 11.2 To Previous Release (includes 11.2.0.3-11.2.0.1) [ID 883335.1]
• Database Server Upgrade/Downgrade Compatibility Matrix [ID 551141.1]
• Master Note For Oracle Database Downgrade [ID 1151427.1]
• Downgrading Database Without Executing catdwgrd.sql (11.1.0.x to 10.2.0.x/10.2.0.x to 10.2.0.x) [ID 783643.1]
• Complete Checklist For Downgrading The Database From 11.1 To Lower Releases [ID 443890.1]

Welcome to the IOUG Cloud Computing Special Interest Group (SIG)

The IOUG Cloud Computing Special Interest Group (SIG) is dedicated to communication and information interchange around the subject matter of Cloud Computing centric to Oracle.
 The main purpose of the SIG is to discuss and share independent thought, challenges, options, and best practices on key areas of Cloud Computing from the perspective of Oracle. Topics will be discussed freely in this open forum and touch on prevalent Cloud Computing Paradigms/Technologies. 
The IOUG Cloud Computing SIG is led by the following thought leaders in the Oracle Community:

• · President - Tariq Farooq, BrainSurface - Oracle ACE Director
• · Vice President - George Trujillo, HortonWorks - Oracle ACE
• · Vendor Liaison Chair - Michael Corey, Ntirety - Oracle ACE / VMware vExpert
• · Vendor Liaison Co-Chair - Charles Kim, Viscosity NA - Oracle ACE Director
• · Content and Resource Chair - Dr. Bert Scalzo, Dell - Texas Publishing / Oracle ACE
• · Web Events Chair - Kai Yu, Dell - Oracle ACE Director
• · Website Chair - Ron Batra, Oracle ACE Director
• · Member at Large - Michael Ault, Oracle ACE - Texas Memory Systems
• · Member at Large - Syed Jaffar Hussain, Al Inma Bank - Oracle ACE Director
• · Board Liaison - Alex Gorbachev, Pythian - Oracle ACE Director"

 For more details and signing, visit here