http://www.oracle.com/technology/software/products/database/oracle11g/112010_win64soft.html から、Oracle Database 11g Release 2 (11.2) for Microsoft Windows x64 (64-Bit)のDatabase、Client、Grid Infrastructure、Fusion Middleware Web Tier Utilities、Database Gateways、Examples、De-install Utilityが、それぞれダウンロードできるようになりました。
Oracle Database Online Documentation 11g Release 2 (11.2)のInstalling and UpgradingのMicrosoft Windows Installation Guides*1にある
Oracle(R) Database Installation Guide 11g Release 2 (11.2) for Microsoft Windows Part Number E10843-02
2 Oracle Database Preinstallation Requirements
2.2 Oracle Database Software Requirements
Table 2-6 Windows x64 Software Requirements*2
http://download.oracle.com/docs/cd/E11882_01/install.112/e10843/reqs.htm#BABIICFE
Operating Systemより
Oracle Database for Windows x64 is supported on the following operating systems:
Windows Server 2003 - all x64 editions
Windows Server 2003 R2 - all x64 editions
Windows XP Professional x64 Edition
Windows Vista x64 - Business, Enterprise, and Ultimate editions
Windows Server 2008 x64 and Windows Server 2008 R2 x64 - Standard, Enterprise, Datacenter, Web, and Foundation editions. The Server Core option is not supported.
Note: Check My Oracle Support (formerly OracleMetaLink) for more information about Hyper-V support.
Windows 7 x64 - Professional, Enterprise, and Ultimate editions
Windows Multilingual User Interface Pack is supported.
See Also: "Hardware and Software Certification" for information about how to access the latest system requirements
OTN Windows Server System Technology Center
http://www.oracle.com/technology/tech/windows/
OTN-J Windows Server System Technology Center
http://www.oracle.com/technology/global/jp/tech/windows/
に、長らく
Statement of Direction: Oracle Database 11g Release 2 on Microsoft Windows 7 and Microsoft Windows Server 2008 R2
の記載がありますが、
Windows Server 2008 R2 Foundation
Windows Server 2008 R2 Standard
Windows Server 2008 R2 Enterprise
Windows Server 2008 R2 Datacenter
Windows Web Server 2008 R2
64-bit version of Windows 7 Business
64-bit version of Windows 7 Enterprise
64-bit version of Windows 7 Ultimate
をサポートするOracle Databaseのリリース11.2.0.1.0が使えるようになったとも言えます。
なお*3、Hans Forbrichさんの Hans Forbrich Blog: Oracle 11gR2 for Windows is out at Saturday, April 03, 2010 より
Keep checking for the 32 bit download if you need that.
*1:Supplementary Installation Guidesにもドキュメントが増えています
*2:各ドキュメントはリビジョンが変わるとURLも変わります
*3:New Downloads: Oracle Database 11g Release 1 (11.1.0.7.0) for Microsoft Windows Server 2008 - wmo6hash::blogを書いた約1年前はfor Microsoft Windows 32bitが先でした
