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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310 OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
Figure 8-40 Visual Explain for SQE Plan Cache Snapshot
8.7 Non-SQL interface considerations
Obviously, the SQL Performance Monitor can capture implementation information for any
SQL-based interface. Therefore, any SQL-based request can be analyzed with Visual
Explain. SQL-based interfaces range from embedded SQL to Query Manager reports to
ODBC and JDBC.
The query optimizer creates an access plan for all queries that run on the iSeries server. Most
queries use the SQL interface. They generate an SQL access plan, either directly (SQL Script
window, STRSQL command, SQL in high-le ...
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