IBM Db2 Tools for z/OS Unicode support

You can use IBM® Db2 Tools for z/OS® on Unicode data, objects, and applications.

Db2 High Performance Unload for z/OS
You can use this tool to unload table data in any encoding scheme. You can also change the encoding scheme for its output.
Db2 Query Management Facility (QMF)
You can use this tool to query and report on Unicode data in Db2 for z/OS. Use QMF for Workstation for complete Unicode support.
Db2 Table Editor for z/OS
You can use the Db2 Table Editor for z/OS to create, view, or update Unicode data in Db2 for z/OS.