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