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 7. SQE Plan Cache and SQE Plan Cache Snapshots 245
Figure 7-6 Filter with Top “n” most frequently run queries and Queries ever run by user options
From Figure 7-6, when an individual entry is chosen, more detailed information about that
entry can be seen. Select Show Longest Runs shows details of up to ten of the longest
running instances of that query. The result is shown in Figure 7-7.
Figure 7-7 Show Longest Runs
7.2.4 Finding and Visual Explaining a query from the SQE Plan Cache
SQE Plan Cache can be integrated with Visual Explain, allowing you to visualize what the
optimizer is performing and further assist you in making decisions in ...
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