Skip to Content
Understanding DB2®: Learning Visually with Examples
book

Understanding DB2®: Learning Visually with Examples

by Raul F. Chong, Clara Liu, Sylvia F. Qi, Dwaine R. Snow
January 2005
Beginner to intermediate
928 pages
22h 14m
English
IBM Press
Content preview from Understanding DB2®: Learning Visually with Examples

5.2. The DB2 Environment

The DB2 environment consists of environment variables and DB2 profile registry variables. These manage, monitor, and control the behavior of a DB2 system.

5.2.1. Environment Variables

You set the environment variables at the operating system level. Most environment variables applicable to DB2 are set automatically during the DB2 installation. For example, the PATH environment variable is updated to point to the DB2 executable code directory.

The two most important environment variables applicable to DB2 are

  • DB2INSTANCE, which determines the active instance in your machine, and

  • DB2NODE, which determines the active database partition in a multi-partitioned environment.

To review the contents of an environment variable like ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Understanding DB2®: Learning Visually with Examples, Second Edition

Understanding DB2®: Learning Visually with Examples, Second Edition

Raul F. Chong, Xiaomei Wang, Michael Dang, Dwaine R. Snow
DB2 11 for z/OS Technical Overview

DB2 11 for z/OS Technical Overview

Paolo Bruni, Felipe Bortoletto, Ravikumar Kalyanasundaram, Sabine Kaschta, Glenn McGeoch, Cristian Molaro
IBM DB2 9.7 Advanced Application Developer Cookbook

IBM DB2 9.7 Advanced Application Developer Cookbook

Mohankumar Saraswatipura, Sanjay Kumar

Publisher Resources

ISBN: 0131859161Purchase book