DB2 Version 8

PAUL C. ZIKOPOULOS is Database Specialist, DB2 Certified Advanced Technical Expert, and DB2 Certified Customer Solutions Expert for IBM in Toronto, Canada. He is a co-author of DB2: The Complete Reference, DB2 Fundamentals Certification for Dummies, DB2 For Windows For Dummies, and A DBA's Guide to Databases on Linux. GEORGE BAKLARZ, IBM Senior Manager for DB2 Technical Sales Support, works closely with customers to help them understand new DB2 technology, and to gain their feedback for improving DB2 products. George is also a co-author of the DB2 Universal Database v8 for Linux, UNIX, and Windows Database Administration Certification Guide. DIRK deROOS is a member of the DB2 Information Development team, specializing in database monitoring and DB2 application development. Dirk is a DB2 Certified Solutions Expert. ROMAN B. MELNYK is a senior member of the DB2 Information Development team, specializing in database administration, DB2 utilities, and SQL. During more than eight years at IBM, Roman has written numerous DB2 books, articles, and other related materials. Roman recently co-authored DB2: The Complete Reference, DB2 Fundamentals Certification for Dummies, and DB2 For Windows For Dummies.

Foreword.


Dedications and Acknowledgments.
I. PACKAGING AND LICENSING.

1. Changes to DB2 Universal Database and DB2 Connect Packaging and Licensing.


DB2 Universal Database and DB2 Connect Supported Operating Systems. Changes to DB2 Universal Database Licensing and Packaging. DB2 UDB Personal Edition. DB2 UDB Express. DB2 UDB Workgroup Server and Workgroup Server Unlimited Editions. DB2 UDB Enterprise Server Edition and the Database Partitioning Feature. DB2 UDB Data Warehouse Edition. Changes to DB2 Connect Licensing and Packaging. DB2 Connect Application Server Edition. Integrated DB2 Connect Component in DB2 Universal Database Enterprise Edition. Miscellaneous Changes. Changes to Related DB2 Universal Database Products.

II. PERFORMANCE.

2. Multidimensional Clustering Tables.


MDC 101: A Simple Contrast between Traditional and Multidimensional Tables. Terminology Required to Understand MDC Tables. MDC Table. Dimension. Slice. Cell. Block. Block Size or Blocking Factor. Block Index. Block ID. Generated Column. Monotonicity. How MDC Tables Work. Creating an MDC Table. Indexes and MDC Tables. MDC and Query SELECT, INSERT, UPDATE, and DELETE Operations. Picking a Dimension for an MDC Table. Summary.

3. Declared Global Temporary Tables.


Index Support for DGTTs. Index Restrictions on a DGTT. Creating an Index on a DGTT. Minimal Undo Logging to Support the Rollback of Data Changes to DGTTs. Statistics Support on DGTTs.

4. System Default Value and NULL Compression.


How Data Compression Works in DB2 UDB. The New Row Record Format. Compression Example. Supported Data Types for Compression. How Do I Know if Compression Is Turned On? Estimating Compression Savings.

5. Informational Constraints.


Why Informational Constraints? Using Informational Constraints. Informational Constraints Example. Usage Considerations.

6. Connection Concentrator.


Connection Management Improvements. Activating the Connection Concentrator. Connection Concentrator Operation.

7. User-Maintained Materialized Query Tables.


Restrictions. Creating Materialized Query Tables. Populating Materialized Query Tables. Leveraging Materialized Query Tables for Improved Query Performance.

8. Database System Monitoring Enhancements.


Preventing the Collection of Timestamps. Enhanced Deadlock Monitoring. SQL Access to Event Monitor Data. SQL Access to Snapshot Monitor Data. SNAPSHOT_FILEW Snapshot Request Types. Capturing a Snapshot to a File with SNAPSHOT_FILEW. Capturing a Snapshot From a File. DB2_SNAPSHOT_NOAUTH Registry Variable. Performance Monitor Control Center Tool Has Been Deprecated.

9. Miscellaneous Performance Enhancements.


Distributed Catalog Cache. Prefetching Enhancements with Block-Based Buffer Pools. Page Cleaner I/O Improvements. Multithreading of Java-Based Routines. 64-Bit Support. Automatic Relationship and Association Management (ARAM). New Join Variations. Increased Opportunity for Selection of Bit-Filters.

III. MANAGEABILITY.

10. Logging.


Transactional Logging Improvements. Increased Log Space. Infinite Active Log Space. Controlling the Consumption of Log Space. Transactional Logging Performance Improvements. Log Mirroring. Blocking Transactions When the Logs Are Full. Diagnostic Logging Improvements.

11. Load Enhancements.


Online Load. Locking Behavior. New Table States. Loading Data into Partitioned Databases. Loading Data from a Cursor. Load Wizard.

12. DB2 Tools.


Configuration Assistant. Health Center. Memory Visualizer. Memory Tracker. Storage Management. Storage Management View Columns. Indoubt Transaction Manager. Fault Monitor.

13. Container Operations.


Table Space Maps. Dropping Containers from a DMS Table Space. Reducing the Size of Containers in a DMS Table Space. Adding Containers to a DMS Table Space without Rebalancing.

14. Dynamic Memory Allocation and Online Reconfiguration.
15. Online Utilities.


Online Reorganization. Table Reorganization. Index Reorganization. Online Database Inspection Tool. Incremental Maintenance of Materialized Query Tables.

16. Miscellaneous Manageability Enhancements.


Throttling Utilities. New Administration Notification Log. Table Space Change History File. QUIESCE Command. RUNSTATS Command Enhancements. Point-in-Time Rollforward Recovery to Local Time. XBSA Support. Data Movement Enhancements for Original Equipment Manufacturer Databases. Trace Facility Enhancements. Multiple Service Level Install for UNIX. New Tivoli-focused Options. LDAP Support on Linux. Dynamic LPAR Support for AIX5.2B. Dynamic System Domain Support. Transaction Log Space Usage. ALTER TABLE VARGRAPHIC. Command History Support and CLP Roundtrip Editing.

IV. DEVELOPMENT.

17. SQL Enhancements.


SQL Insert through UNION ALL. Using Table Spaces with UNION ALL. INSTEAD OF Triggers. ORDER BY Enhancements. FETCH FIRST Clause. ORDER BY ORDER OF. FETCH FIRST. SQL Functions. VARCHAR_FORMAT and TIMESTAMP_FORMAT. XML Publishing. Snapshot API. Health Snaphots. Identity Column Support. Identity Column. Sequences. Additional IDENTITY Column Considerations. CALL Statement. MERGE SQL. MERGE Syntax. Additional WHEN MATCHED Logic. IGNORING Records. Raising Error Conditions. Authorization. SQL Sampling. BERNOULLI Sampling. SYSTEM Sampling. REPEATABLE Sampling. Additional Considerations. Summary.

18. Application Development Enhancements.


Development Center. Starting the Development Center. Project View. Creating a UDF. Creating a Stored Procedure. Development Center. Debugging and Testing. Debugging Java and SQL PL. SQL PL Debugger. Debugging Java Stored Procedures. SQL Assist. Starting SQL Assist. SQL Assist Structure. Outline View. Details Area. SQL Code. Panel Buttons. Sample SQL Assist Session. Summary. Java Enhancements. Type 4 Driver Platform Support. Type 2 Platform Support. Additional Features. Package Version Identifiers. Package Overview. VERSION Example. Package Privileges. Flush Package Cache. Summary.

19. DB2 in the Microsoft Environment.


Windows 2003 Support. DB2 Development Add-Ins for Visual Studio .NET. Product Availability. Registering the Visual Studio .NET Add-Ins. Development Overview. Solution Explorer. Server Explorer. SQL Editor. Dynamic Help. Output Views. Customizing the DB2 Development Tools. Launching DB2 Development and Administration Tools. Summary. Native Managed .NET Providers. DB2 Managed Provider ADO.NET Objects. DB2 Objects in the Visual Studio .NET Data Toolbox. Sample DB2 ADO.NET Code. Managed Provider Tools. DB2 Database Project for Visual Studio .NET. Adding a DB2 Database Project. Choosing a DB2 Database Reference for Projects. DB2 Project Scripts. Advanced Scripting and Script Options. Advanced Script Options. Project Configurations and Properties. Project Dependencies and Build Order. Summary. Loosely Coupled Transaction Support. Windows Management Instrumentation (WMI). OLE DB Provider. Enhancements. Restrictions. Summary.

V. INFORMATION INTEGRATION.

20. Federated Systems.


DB2 Information Integrator. Federated Systems Enhancements. Manipulating Data on Data Sources. Manipulating Tables on Data Sources. MQTs for Data Sources. DB2 Control Center Administration of Federated Objects. More Supported Federated Server Platforms. Data Sources Available in DB2 Information Integrator. WebSphere MQ Integration Enhancements. Asynchronous MQ Listener. Transactional Support for Websphere MQ Message Queues.

21. Web Services.


DB2 as a Web Services Consumer. Installing the SOAP UDFs. Signatures of the SOAP UDFs. Using the SOAP UDFs. DB2 as a Web Service Provider. DB2 Web Services Architecture. DADX Files. Installing and Configuring WORF. DB2 Web Tools and the Application Server for DB. XML Enhancements. Migrating XML-Enabled Databases to v8. Automatically Validating XML Documents against Schemas. Manually Validating XML Documents. New XML UDFs. Normalization of Timestamp Data. XML Extender Functionality in Partitioned Database Environments. New XML MQ UDFs and Stored Procedures.

22. Replication Enhancements.


Replication Center. Starting the Replication Center. Replication Center Launchpad. Replication Definitions Folder. Operations Folder. Replication Monitoring. Replication Alert Monitor. Checking the Current Status of Replication Programs. Analyze Historical Data of Replication Programs. General Enhancements. Windows Process Model for Replication Programs. Password Encryption for Replication Programs. Replicating Data Links Values. Longer Table Names and Column Names. Migration Utility. New Trace Facility. 64-Bit Support for Replication Programs. Capture Enhancements. Controlling the Capture Program. Changing the Capture Program's Operational Parameters. New Start Modes for Capture. Capture and Apply Programs Can Be Started in Any Order. Dynamically Updatable Replication Definitions. Dynamic Addition of Columns to Replication Source Tables. Enabling Row Capture for Individual Replication Sources. Control over Recapturing Data from Replicas. Concurrent Capturing and Pruning of Data. Multiple Capture Instances. Apply Enhancements. Transaction Commit Frequency. Replicating Changes to Target-Key Columns. Replication Performance. Fewer Joins between Replication Tables. Faster Full Refreshes of Target Tables. Improved ASNLOAD Exit Routine. Apply Program Optimization for One Subscription Set. Fewer Updates for Subscription Sets with Multiple Members.

Appendix A.


CD-ROM Installation. DB2 Installation. Documentation. DB2DEMO. Installation File. Setup and Installation of the Program. Advanced Installation. Special Notes for Windows 98/Me Users. Uninstalling the Demonstration. Support.

Index.