Chapter 5. Understanding the DB2 Environment, DB2 Instances, and Databases

You need to understand the DB2 environment and the concepts of DB2 instances and databases to work effectively with DB2. DB2 instances and the DB2 environment control many factors that influence DB2's behavior by using configurable parameters at different levels and locations.

In this chapter you will learn about:

• The big picture of the DB2 Environment, DB2 instances, and databases

• The environment variables

• The DB2 registry variables

• How to manage and configure a DB2 instance

• How to manage and configure the Database Administration Server

• How to manage and configure databases

• Instance and database design considerations