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 8. Analyzing database performance data with Visual Explain 281
Select Visual Explain → Explain While Running menu items (a shown in Figure 8-6).
Figure 8-6 Explain While Running menu item of Run SQL Scripts window
8.3 Navigating Visual Explain
The Visual Explain graphics window (Figure 8-7) is presented in two parts. The left side of the
display is called the
Query Implementation Graph. This is the graphical representation of the
implementation of the SQL statement and the methods used to access the database. The
arrows indicate the order of the steps. Each node of the graph has an icon that represents an
operation or values returned ...
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