DB2 9 & 10 for z/OS Overview

Migration Planning WorkshopCreate Objects with Hash Organization1PBG2PBR3TABLESPACE options:-Table space MUST beUTS PBG or PBR-Can be created explicitly-or DB2 creates itimplicitly – 64MB forHASH space1. SYSTABLESPACESTATS.TOTALROWS:Actual number of rows in the table2. SYSTABLESPACESTATS.DATASIZE:Total number of bytes used for rowsOverflow INDEX-DB2 creates it implicitlyNew variation of index object createdto store hash column information.The index will only contain entries to rowsin the overflow area.43. SYSINDEXSPACESTATS.TOTALENTRIES:Number of overflow records with keys in the overflow index123© 2011 IBM Corporation