A relational database management system (RDBMS) produced by IBM which runs on Linux, Unix, or Windows operating systems (LUW) or the mainframe (z/OS).

This wiki is the collective experience of many IBM DB2 developers and DBAs.  Like Wikipedia, this wiki is an open resource for you to share your knowledge of the IBM DB2 database (both LUW and z/OS).  So, join in and create/update the articles!