DB2 9 & 10 for z/OS Overview

Migration Planning WorkshopOnline Schema Evolution – Improved ALTER• Availability and Productivity– Enhancement to ALTERs performed by DBAs• Prior DB2 versions introduced the concept of immediate ALTERs• DB2 10 expands the concept by introducing pending changes– No need to CREATE new table spaces, UNLOAD/LOAD,GRANT, DROP, REBIND– DB2 materializes pending changes at DBA’s discretion on afuture date during the execution of an online REORG– “Bottom line”… Less application outages due to databasechanges107© 2011 IBM Corporation