DB2 9 & 10 for z/OS Overview

Migration Planning WorkshopOnline Schema – Details on Online REORG• Pending DDL is materialized - DSNU1163I– Catalog & Directory are updated with the new attributes– Data sets are updated with the new attributes– Materialized SYSPENDINGDDL entries are removed• Stats are collected– Default is TABLE ALL INDEX ALL UPDATE ALL HISTORY ALL unlessoverridden– Warning message is issued to indicate that some partition statistics may nolonger be accurate - DSNU1166I• (COLGROUP, KEYCARD, HISTOGRAM …)• SYSCOPY entries show inability to recover object prior to changes• AREOR state is reset109© 2011 IBM Corporation