Oracle 11gR2

Oracle 11gR2 is the second and terminal release of the Oracle 11g database. The common theme for this release is "Consolidate. Compress. Control.".

History and Support Status

Oracle 11gR2 (for Linux 32-bit and 64-bit) was released on 1 September 2009.

The first patch-set, Oracle 11.2.0.2 was released in September 2010. A new Oracle home instead of in-place patching is now preferred.

The terminal patch set for 11gR2 is Oracle 11.2.0.4.

Premier Support Ended: 31-Jan-2015

Extended Support Ends: 31-Dec-2020

For Oracle Database 11.2.0.4 Oracle will waive (no extra cost, no action required) Extended Support to every customer with a valid support contract until 31-Dec-2018. (MOS Note:742060.1)

New options

• Oracle RAC One Node, solution for consolidating less mission critical databases on the grid with most of the redundancy and availability provided by RAC. An Omotion utility is provided to migrate One Node instances to other nodes in the cluster without any downtime to the application.

New features

Some of the new features include:

• Improved data compression ratios (up to 20x).
• Ability to upgrade database applications while users remain online.
• New ease-of-use features that make Grid computing more accessible.
• Automation of key systems management activities.

External links

• Oracle's 11gR2 home page
• Oracle 11gR2 documentation
• Oracle's press announcement