January 2005
Beginner to intermediate
928 pages
22h 14m
English
book
Understanding DB2®: Learning Visually with Examples
by Raul F. Chong, Clara Liu, Sylvia F. Qi, Dwaine R. Snow
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Chapter 16. Database Performance Considerations
Performance is probably the most important factor in databases and database applications. If performance was not important, people would simply create applications that store their data in flat files rather than purchase highly optimized relational database management systems.
Tuning a DB2 system to obtain optimal performance can be a lengthy process. Poor performance is usually a result of:
Suboptimal system (hardware) design
Suboptimal instance configuration
Suboptimal database configuration
Lack of proper maintenance
Inefficient SQL
While you may not have a lot of control over the server and disks that are used for the database server, especially in a large UNIX shop, the hardware does have a big ...
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O’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.
I 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.
I’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.
I'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.