DB2 9 & 10 for z/OS Overview

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Migration Planning WorkshopIndex Enhancements• Larger Page Sizes• Asymmetric Page Splits• Index Compression• Index on Expression• I/O Parallelism• Include Columns• More Index Enhancements• Randomized Indexes• Online Index Rebuild• XML Indexes158© 2011 IBM Corporation
Migration Planning WorkshopBusiness value of index enhancements• Application per<strong>for</strong>mance and CPU savings– Sequential insert operations see a vast improvement– Lessen frequency of REORG utility while maintaining accesspath consistency– Less waiting on I/O operations <strong>for</strong> applications159© 2011 IBM Corporation
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DB2 9 & 10 for z/OS Overview

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