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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Chapter 9. Index Advisor 351
The CPI432F properties window is shown in Figure 9-30. Observe the Cause explained
and the Recovery action recommended on the index.
Figure 9-30 CPI4329 Properties
Setting the QAQQINI table parameter
You can also set the QRYOPTLIB parameter on the Change Query Attributes (CHGQRYA)
command to a user schema where the QAQQINI table exists. Set the parameter on the
QAQQINI table to MESSAGES_DEBUG, and set the value to *YES. This option places query
optimization information in the job log. Changes made to the QAQQINI table are effective
immediately and will affect all users and queries that use this table. Once you change ...
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