O'Reilly logo

An Introduction to IMS: Your Complete Guide to IBM Information Management System by Steve Nathan, Sandy Sherrill, Rick Long, Moira McFadden Lanyi, Margaret Wilson, Kenny Blackman, John Butterweck, Diane Goff, Barbara Klein

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 10. The Database Reorganization Process

This chapter provides an overview of the database reorganization tasks that an IMS database administrator performs. Specifically, this chapter:

• Introduces the requirements for and the process of IMS database reorganization.

• Describes the available IMS utilities for reorganizing hierarchical direct (HD) databases.

• Describes how to use the utilities for particular situations, including which utility must be run to reorganize an HD database with and without logical relationships or secondary indexes.

• Describes initially loading databases with logical relationships and secondary indexes, because doing so also requires the reorganization utilities to build the logical relationships and secondary ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required