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Oracle® Database Patch Set Notes 11g Release 2 (220.127.116.11) Patch Set 2
*7 Installation and Upgrade*
Review Oracle Database Readme and your platform-specific Oracle Database Release Notes before installing Oracle software. For new installations, refer to the appropriate installation guide for the product you are installing.
See "How to Upgrade to Oracle Grid Infrastructure 11g Release 2" in Oracle Grid Infrastructure Installation Guide for details about performing Oracle Clusterware and Oracle Automatic Storage Management upgrades. See Oracle Database Upgrade Guide for complete information about planning and executing Oracle Database upgrades.
Oracle installation guides and release notes for each platform, the readme, and the upgrade guide are available at