【IT168 专稿】DB2是美国IBM公司开发的一套关系型数据库管理系统,它主要的执行环境为UNIX、Linux、z/OS，以及Windows服务器操作 ...

DB2对SQL语句书写的要求较高，这给应用开发人员带来了挑战。 比如TPCH的第20个查询，下面2种逻辑上完全等价的写法，在db2 10.1执行效果却是天壤之别，运行时间差不多差了24倍。

To help organizations unlock the full potential of their data for the AI era, IBM is unveiling IBM Db2 12.1.2, the latest iteration of its flexible, AI-powered database. With enhancements to security, ...

IBM released a free version of its flagship DB2 database today, sweetening the pot by eliminating some of the key user limits imposed by rival vendors. IBM’s DB2 Universal Database Express-C is ...