Understanding DB2®: Learning Visually with Examples

5.1. The DB2 Environment, DB2 Instances, and Databases: The Big Picture

Figure 5.1 illustrates the different levels in which you can configure your DB2 environment. You can use

• Environment variables at the operating system level

• The DB2 profile registry variables at the operating system and instance levels

• The Database Manager (DBM) Configuration file at the instance level

• The database configuration file at the database level

Figure 5.1. The big picture of the DB2 environment, instances, and databases

In the following sections you will learn in detail how to work with all of these variables.

NOTE DB2 provides several levels of configuration that ...