DB2 Official website - Source code - Document - Download address - 0.0

DB2 is a set of relational database management system developed by IBM in the United States. It is mainly used in large application systems, with good scalability, and can support all common server operating system platforms from mainframe to single-user environments. DB2 provides high-level Data utilization, integrity, security, recoverability, and the execution ability of small-scale to large-scale applications, with platform-independent basic functions and SQL commands.