Chapter 35. Catalog Manipulation Utilities

The DB2 Catalog and the DB2 Directory are essential to the continuing performance of your DB2 subsystem. This chapter discusses several utilities that can help you keep these system databases and structures in an optimal state.

The CATENFM Utility

You can use the CATENFM utility to change the mode of a DB2 subsystem and to enter enabling-new-function (ENF) mode and new-function (NF) mode.


All new functionality of a DB2 version is unavailable until the DB2 subsystem enters new-function mode.

This utility ...

Get DB2 Developer’s Guide: A Solutions-Oriented Approach to Learning the Foundation and Capabilities of DB2 for z/OS, Sixth Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.