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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192 OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
name QQMQT, physical field name QQC13, is either Y or N, indicating that this is an
MQT, which replaced a table or tables in the query.
3030 record: The new 3030 record contains information about the MQTs that are
examined. This record is only written if MQTs are enabled and MQTs exist over the tables
specified in the query.
For a complete and details description of MQTs, refer to the white paper named: The creation
and use of materialized query tables within IBM DB2 for i5/OS written by Michael Cain
available on the Web at:
http://www-03.ibm.com/servers/enable/site/education/abstracts/438a_abs.html
6.2 Introduction to query analysis
The Detailed Database Monitor table ...
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