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This chapter is from the book

This chapter is from the book

DB2 UDB Environment Definitions

Before we begin creating and working with databases, we need to understand the DB2 UDB environment. The DB2 UDB environment controls many database-related factors, such as what protocols may be used for accessing remote databases, what paths should be used by applications when searching for database-related files, how much memory will be allocated for the various buffers that databases and applications use, and how the system will behave in certain situations. This complex environment is controlled by several different mechanisms, including:

  • DB2 Profile Registry

  • Environment variables

  • Configuration parameters

This section discusses the DB2 Profile Registry and environment variables. Configuration parameters are discussed throughout the remainder of this book.

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