Articles & Content


Purging/Reorging Terabyte Tables in a 24X7 Environment (B10)

Topic: 2006 EU

Subtopic: DB2 for z/OS

DATE: 2006-10-4 (13:30 - 14:30)
SPEAKERS: David Powell (Fifth Third Bank)

Purging and reorganizing large,partitioned 2+Billion row tables in a 24X7 environment can be challenging. This presentation consists of a method and best practices for creating a shadow table utilizing unload,load and Rename Table to accomplish this without interuption to the 24X7 load processing and online Select access. Compression dictionary is created on all parts with stats and all indexes reorged with no logging.

EXP. LEVEL: Advanced


Minimize time of table outage

Complete Purge, Reorg and Compression of data

Reorg Indexes

Manage Defrag of SMS managed pools

Avoid Logging of Deleted Rows

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