Version select versionnumber, version_timestamp from sysibm.sysversions; Comments select blah from foo; -- comment like this Current User select user from sysibm.sysdummy1; select session_user from sysibm.sysdummy1; select system_user from sysibm.sysdummy1; List Users N/A (I think DB2 uses OS-level user accounts for authentication.) Database authorities (like roles, I think) can be listed like t..