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Redbooks Draft

Book Title : LOBs with DB2 for z/OS: Stronger and Faster
eBook download format(s) : PDF HTM 
ISBN-10 : 0738496936 
ISBN-13 : 978-0-738496-93-1 
Author(s) : Paolo Bruni  Patric Becker Tim Bohlsen Burkhard Diekmann Dima Etkin Davy Goethals  
Publisher : IBM.Com/Redbooks (26 Nov 2006)
Section : Redbooks Draft
Book Review:

Book Description
The requirements for a database management system (DBMS) have included support for very large and complex data objects.
DB2 UDB for OS/390 Version 6 has introduced the support for large objects (LOBs): they can contain text documents, images, or movies, and can be stored directly in the DBMS with sizes up to 2 gigabytes per object and 65,536 TB for a single LOB column in a 4,096 partition table. The introduction of these new data types has implied some changes in the administration processes and programming techniques. The Redbook Large Objects with DB2 for z/OS and OS/390, SG24-6571, introduced and described the usage of LOBs with DB2 for z/OS at Version 7 level.
Major enhancements for LOB manipulation have been introduced with DB2 UDB for z/OS Version 8 and DB2 Version 9.1 for z/OS (DB2 9 in this IBM Redbook). These enhancements include performance functions such as the avoidance of LOB locks and DRDA LOB flow optimization, usability functions such as file reference variables, FETCH CONTINUE, and the automatic creation of objects. DB2 utilities provide integrated support with LOAD and UNLOAD, Cross Loader, REORG, CHECK DATA, and CHECK LOB.
In this IBM Redbook, we provide a totally revised description of the DB2 functions for LOB support as well as useful information about how to design and implement them. We also offer examples of their use, programming considerations, and the enhanced processes used for their administration and maintenance. We also detail how SAP solutions use LOBs.
This IBM Redbook replaces the previous IBM Redbook, Large Objects with DB2 for z/OS and OS/390, SG24-6571, for DB2 Version 8 and Version 9.1.

Table of Contents
Chapter 1. Introduction
Chapter 2. Large objects with DB2
Chapter 3. Creating LOBs
Chapter 4. Using LOBs
Chapter 5. SAP and LOBs
Chapter 6. Utilities with LOBs
Chapter 7. Data administration with LOBs
Chapter 8. Performance with LOBs
Appendix A. Additional material

Special Notices
These pages are Web versions of IBM Redbooks- and Redpapers-in-progress. They are published here for those who need the information now and may contain spelling, layout and grammatical errors.
This material has not been submitted to any formal IBM test and is published AS IS. It has not been the subject of rigorous review. Your feedback is welcomed to improve the usefulness of the material to others.

IBM assumes no responsibility for its accuracy or completeness. The use of this information or the implementation of any of these techniques is a customer responsibility and depends upon the customer's ability to evaluate and integrate them into the customer's operational environment.
PDF Size: (4.5 MB)

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