Articles & Content
Topic: 2010 NA
Subtopic: DB2 for z/OS
DATE: 2010-5-12 (11:00 AM - 12:00 PM)
SPEAKERS: Jim Dee (BMC Software Inc.)
You may have heard that Enhanced Statistics were added to DB2 for z/OS with DB2 9, and you probably wondered what they are and how they can help. This presentation will answer your questions about what the statistics are, how they are enabled, how they get collected, and what effect they will have on your SQL execution.
EXP. LEVEL: Advanced
What statistics are affected by the STATCLUS DSNZPARM parameter in DB2 9?
What improvements have been made to the calculation of cluster ratio?
What does Data Repeat Factor mean and how is ti calculated?
When are the enhanced statistics used by the DB2 optimizer?
What can you do to exploit these statistics to improve the performance of your SQL applications?
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