IBM发布与商业版相似的免费DB2数据库
为吸引更多的应用服务开发者，IBM周一宣布发布一款免费版的数据库产品DB Express-C，此套产品与正式的商业版没有什么大的区别，只不过，限制了使用的硬件平台。
此系统可以在AMD或者英特尔的双内核芯片上运行，最多支持CPU数为2枚，内存必须在4GB以下，同时该免费数据库对使用人数没有限制，看来现在的免费午餐越来越多啦^_^
显然这是IBM与Oracle、微软竞争数据库产品的一项重要举措，微软去年在发布SQL Server 2005的Express免费版本，Oracle也发布了免费版Oracle 10g Express Edition。去年免费的开源数据库产品MySQL也日益走红。
详情请见：http://www-306.ibm.com/software/data/db2/udb/db2express/
安装要求如下：
IBM DB2 Universal Database Express Edition V8.2 is the lowest priced full function relational database, featuring self-tuning and self-configuring autonomic capabilities for ease of manageability on Linux or Windows platform choices. DB2 UDB Express Edition, is designed to reduce the total costs of ownership for mid-market businesses.
Complementary products that integrate with and support DB2 UDB Express Edition include WebSphere Application Server - Express, Websphere Application Server Community Edition, WebSphere Commerce – Express and Workplace Server Express as well as a wide range of Business Partner applications.
Licensing Metrics for DB2 UDB Express Edition: Metrics for DB2 UDB Express Server Edition: Licensed by installed server and user license. Both are server and user licenses are required as follows: Each installation of the program must have a separate entitlement. Users are counted as named users. A named user is a person entitled to establish one or more connections to any authorized server install of a DB2 Universal Database product in the customer's enterprise, either directly or through a multiplexing program or application server. Metrics for DB2 UDB Express CPU Edition: Each CPU available to the installed software must have a separate entitlement
Priced Options: HADR
Restrictions: Maximum processors: 2 Maximum addressable memory: 4GB Database Partitioning Feature N/A Connection Concentrator N/A DB2 Geodetic Extender N/A Query Patroller N/A Net Search Extender N/A
Supported Operating Systems Linux Windows
Boost the power of DB2 Express with support for 64-bit databases on Windows x64 and Linux distributions
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