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Summary

DB2 UDB Version 8 must read and update data rows in the database buffer pools. To be able to do this as efficiently and effectively as possible, it is important that the buffer pools be sized correctly and assigned to the correct table spaces. DB2 UDB V8 can manipulate the data in parallel, using intra-partition parallelism, inter-partition parallelism, or a combination of both.

It is important to remember that parallelism will not help all database workloads and that it should be enabled only where appropriate.



    		IBM Press Series?Information Management
    		About Prentice Hall Professional Technical Reference
    		Foreword
    		Preface
    		Chapter 1. Data Storage
    		Chapter 2. Data Manipulation
    		The Buffer Pools
    		Parallelism
    		Types of Database Objects
    		Summary
    		Chapter 3. Database Availability
    		Chapter 4. Database Security
    		Chapter 5. Multi-Dimensional Clustering
    		Chapter 6. The DB2 Optimizer
    		Chapter 7. Federated Database Access
    		Chapter 8. Performance Tuning
    		Chapter 9. Database Communications
    		Chapter 10. Performance Tuning Examples
    		Appendix A. Useful DB2 Commands
    		Appendix B. parseSQL.pl
    		Appendix C. exfmtDIF.pl
    		Appendix D. Comparing Index Advisor Recommended Indexes with Existing Indexes
    		Appendix E. Configuration Parameters That Can Be Changed Online
    		Appendix F. Explain Tools
    		Appendix G. Starting and Stopping a DB2 Instance
    		Appendix H. LDAP Integration in DB2 UDB Using Microsoft Active Directory
    		Appendix I. Tuning DB2 UDB in the IBM LDAP Environment
    		Appendix J. DB2 Support Information
    		Appendix K. DB2 Connect Implementation
    		Appendix L. Sample Questions
    		Appendix M. Answers to Sample Questions
    		About the CD-ROM
    		Article