Using DB2 Universal Database on 64-bit Platforms


About This Book

This book provides information about the 64-bit version of the DB2 Universal Database (UDB) and DB2 Connect servers for 64-bit platforms.


Who Should Use this Book

This manual is for database administrators, application programmers, and other users who want to work with DB2 Universal Database on 64-bit platforms. The book covers installation, instance migration, configuration, and application development issues.

It is assumed that you are familiar with DB2 Universal Database and with the operating system environment in which DB2 UDB is running.


How this Book is Structured

The following topics are covered:

Chapter 1, "Why 64-bit Support?"
Provides a brief introduction to some of the principal advantages of 64-bit operating systems.

Chapter 2, "Installation"
Shows you how to install DB2 Universal Database Version 7.1 on 64-bit platforms.

Chapter 3, "Instance Creation, Migration, and Update Scenarios"
Shows you how to create 64-bit instances, or how to migrate your 32-bit instances to 64-bit instances.

Chapter 4, "Application Development Considerations"
Describes the process of migrating a 32-bit application to a 64-bit application, platform-specific compiler flag values, and how to make your UDF code portable between 32-bit and 64-bit platforms.

Chapter 5, "Configuration"
Describes new upper limits for database and database manager configuration parameters related to memory.

Chapter 6, "Restrictions"
Describes the restrictions that apply to DB2 Universal Database Version 7.1 on 64-bit platforms.

Chapter 7, "Messages"
Lists some of the messages that may be returned when you work with DB2 Universal Database Version 7.1 on 64-bit platforms.

Chapter 8, "Incompatibilities"
Identifies incompatibilities introduced by 64-bit engine support in DB2 Universal Database Version 7.1.


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