March 2007
Intermediate to advanced
488 pages
13h 46m
English
book
OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
by Hernando Bedoya, Jaime Gaug, James Kerl, Ser Ser NG, Jose Cardoso dos Santos
Content preview from OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
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© Copyright IBM Corp. 2007. All rights reserved. 457
Appendix A. Tools to check a performance
problem
When a performance problem is occurring, it is important to understand what is happening
with the system, even when you know that you are having a problem with SQL queries. There
are several commands that you can use to see a high level view of what the system is doing.
Use the tools in this appendix to help you look at the big picture. They will help you determine
if SQL queries are causing performance problems if system tuning needs to be done to
prevent SQL query performance problems.
A
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