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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34 OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
3.1 Introduction to the tools
By using the following analysis tools to obtain information through the monitoring processes,
you should be able to take the appropriate corrective actions:
SQE Plan Cache (V5R4)
SQE Plan Cache Snapshots (V5R4)
Detailed Database Monitor(enhanced in V5R4)
Summary Database Monitor
Visual Explain - (enhanced in V5R4)
Index Advisor(V5R4)
Evaluators
Current SQL for a Job
Debug Messages
PRTSQLINF
Every time an SQL statement goes through the query optimization process, there is feedback
from the optimizer. In Figure 3-1 we illustrate
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