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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11.6. Diagnosing Lock Problems
We have discussed how isolation levels affect the DB2 locking strategy. The various lock modes allow DB2 to provide diversified concurrent scenarios. For many applications the locking mechanism works transparently, but for others issues such as lock waits, deadlocks, and lock escalations can occur.
DB2 has a comprehensive set of tools that you can use to obtain information about locking. In the following sections we will look at some of the tools that are available and how they can be used to troubleshoot locking problems.
11.6.1. Using the list applications Command
The list applications command issued with the show detail clause shows the status of each application. Use this command as the first diagnostic step ...
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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.