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 12. Tips to proactively prevent SQL performance problems 411
12.1.4 Index Advisor
As we have discussed in earlier chapters, the optimizer has several feedback mechanisms to
help you identify the need for an index. To help you to identify the indexes advised for a given
query request, you can use the following methods:
Running and analyzing an SQL statement using Visual Explain Index Advisor in iSeries
Navigator
Refer to 9.5.4, “Access to Index Advised information from Visual Explain screen interface”
on page 339.
Index advised reports available from the Analysis Overview dashboard
5.1.1, “Analysis overview” on page 119.
New V5R4 System-wide ...
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