This IBM Redbooks publication provides an overview of the new functions and enhancements in IBM Information Management System (IMS) Version 9. IMS Version 9 contains over 50 enhancements, in all areas of the product. that address availability, scalability, capacity, usability, manageability, operations, on demand business, and application development requirements from its huge customer base. All of the enhancements in this new version resulted from specific customer requirements. The major enhancements include: Improved database availability for HALDB databases is provided by the long-awaited online reorganization (OLR) enhancement. The functionality of the IMS Connect product is included as an integrated function of IMS. DBRC provides a new API that allows assembler programs to query the RECON. IMS Java users will have new JDBC SQL calls and DLI Model Utility support for retrieving existing IMS data in XML format as well as storing, indexing, searching, and retrieving valid XML documents into new or existing IMS databases. We describe these enhancements and all other major changes in IMS Version 9. This book gives you the essential information that you need when you are migrating your IMS systems to IMS Version 9.

This IBM Redbooks publication describes the High Availability Large Database (HALDB) capability available with IMS. IMS HALDB was introduced with IMS Version 7. It allows IMS databases to grow to almost unlimited sizes while providing increased availability. This book updates IMS Version 7 High Availability Large Database Guide, SG24-5751, as well as adding topics that were not covered in the previous book. This publication provides a broad explanation of HALDB and its uses. Specific areas covered include: -HALDB overview, definition, and structure This publication documents our hands-on experience in a test environment. It includes migration and administration examples. Some IBM Data Management Tools for IMS are also discussed in this publication. Special emphasis is given to the IMS HALDB Conversion and Maintenance Aid product. Examples of the use of these tools are provided.