DB2 9 & 10 for z/OS Overview

Migration Planning WorkshopALTER TABLE DROP ORGANIZATION• Removes Hash organization– Table is placed in REORP– Table and related indexes become inaccessible until after REORG– Implicitly created hash overflow index dropped during ALTER– Table space MUST be Reorged immediately– Consider which index will control clustering after this– Part level REORG is not allowed after DROP ORGANIZATIONFixed Hash AreaHashOverflowIndexALTER DROP ORGANIZATIONPart 1Part 2 Part 3 Part 4 Part 5Part 6Part 7Fixed Hash AreaHashOverflowIndexIndex droppedPart 1 Part 2 Part 3 Part 4 Part 5 Part 6 Part 7REORGPart 1 Part 2 Part 3 Part 4 Part 5Non-Hash Table Space125© 2011 IBM Corporation