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DB2 10 for z/OS Query Optimization Update - A08

Topic: DB2 for z/OS

Subtopic: 2012



DB2 10 for z/OS is no exception to the goal of delivering incremental query optimization enhancements to the world’s most respected cost based optimizer. This presentation will share the insight uncovered in the early usage, provide the motivation for each enhancement, and highlight that actual enhancements including:
• enhanced plan management,
• “safe” query optimization,
• improvements to complex OR and IN list processing,
• RUNSTATS management and performance improvements,
• and more!



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