May 2006
Intermediate to advanced
282 pages
8h 49m
English
book
SQL Performance Diagnosis on IBM DB2 Universal Database for iSeries
by Hernando Bedoya, Elvis Budimlic, Morten Buur Rasmussen, Peggy Chidester, Fernando Echeveste, Birgitta Hauser, Kang Min Lee, Dave Squires
Content preview from SQL Performance Diagnosis on IBM DB2 Universal Database for iSeries
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Chapter 6. Querying the performance data of the Database Monitor 137
The following examples are some key combinations to use:
QQRID, QQC21
QQJFLD, QQUCNT, QQI5
QQRID & QQ1000
QQRID & QQC21
Figure 6-2 shows the SQL statements to create the indexes described previously.
Figure 6-2 Creating additional indexes for faster analysis
You can try other combinations as necessary. Remember to combine the selection, grouping,
and ordering clauses.
6.3 Database Monitor query examples
In this section, we present a series of queries to help solve specific questions in the detection
and resolution of SQL performance issues. Most of these queries have more elaborat ...
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