Articles & Content
Topic: 2006 EU
Subtopic: DB2 for z/OS
DATE: 2006-10-4 (14:45 - 15:45)
SPEAKERS: Terry Purcell (IBM Silicon Valley Lab)
There are numerous myths about when indexes are beneficial for performance, and how the columns should be ordered. This presentation will demonstrate how clustering and indexing complement each other reduce data I/O, when index-only access can be beneficial, and index design to encourage table join sequence and method.
EXP. LEVEL: Intermediate,Advanced
Goal of Indexing
Clustering and clusterratio
Encouraging join sequence and method
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