Db2 is a family of data management products developed by IBM, including database servers, that initially supported the relational model but was later extended to support object-relational features and non-relational structures like JSON and XML. Db2 is a relational database management system (RDBMS) designed to store, analyze, and retrieve data efficiently. It is available on various platforms, including IBM mainframes, OS/2, UNIX, MS Windows servers, Linux, and PDAs. Db2 is also available for z/VSE and z/VM. Db2 includes advanced features such as in-memory technology (IBM BLU Acceleration), advanced management and development tools, storage optimization, workload management, actionable compression, and continuous data availability (IBM pureScale). Db2 is a popular database product in the contemporary software industry due to its advanced features and strong security regime.

Db2 products include operational databases, data warehouses, data lakes, and fast data. SQL allows for flexible data table manipulation by allowing multiple users to insert, delete, and update records simultaneously using specific SQL commands. Db2 is available on various platforms, including:

• Workstation, with Db2 for Linux, Unix, and Windows (LUW)
• Midrange, with Db2 for iSeries
• Mainframe, with Db2 for z/OS and VM/VSE

Db2 has different versions, and the current version is 10.5 with the features of BLU Acceleration and its code name as Kepler. Db2 is used by organizations of all sizes to provide a mission-critical data solution and integration for mobile and cloud to support thousands of users.