May 2005
Intermediate to advanced
240 pages
5h 15m
English
Content preview from WebSphere Studio Asset Analyzer for Multiplatforms 3.1
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108 WebSphere Studio Asset Analyzer for Multiplatforms 3.1
3.9.2 When to invoke the DB2 utilities
The DB2 utility RUNSTATS updates the DB2 catalog tables with statistical information about
data and indexes. Maintaining these statistics is a critical part of performance tuning: DB2
must have correct statistical information to make the best choices for the access path to the
database.
Now is a great time to make sure you remain friendly with the DB2 DBA who is assigned to
work on this project (see 2.3, “Additional support personnel” on page 38). They have the tools
and utilities to help monitor the tables and their use.
3.10 Collecting for the distrib ...
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