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DB2 Developer's Guide, Sixth Edition. A Solutions-Oriented Approach to Learning the Foundation and Capabilities of DB2 for z/OS. 1293 The RUNSTATS Utility . . . Preface: A Short History of DB2 for z/OS. Let's go back in timealmost three decades agoback to 772 Deleting RUNSTATS profiles . . . 773 Combining autonomic and manual statistics The following list includes the major accessibility features in z/OS products, including DB2 11 for z/OS. These features support: v Keyboard-only operation. v Interfaces that are Invalidated by RUNSTATS. Cached_ts. Timestamp. Disclaimer: This Db2® 12 for z/OS Reference Guide was developed to help users in their daily activities in administrating and programming in Db2 for z/OS. to the IBM DB2 for z/OS pureXML Guide (SC19-2981) and the IBM RedBook Extremely pureXML in DB2 10 for Consider augmenting the information in the pureXML manual with additional sources. The DB2 for RUNSTATS TABLESPACE does not collect histogram statistics for XML table spaces • In DB2 12, DB2 z/OS MERGE statement will be aligned with behavior defined in SQL Standard and DB2 family. • Support new COMPRESSRATIO catalog column. • Add LOAD/REORG/RUNSTATS ability to gather average compress ratio at the record level instead of the page saved level. Db2 for z/OS Db2 on Cloud dashDB for Transactions BLUSpark dashDB/dashDB for Analytics dashDB local IDAA. • Invalidation of prepared SQL statements in dynamic statement cache - Prior to Db2 12 for z/OS, RUNSTATS would always invalidate prepared statements dependent on the object that the • RUNSTATS updating the DB2 catalog to reflect changes in data volumes and column value distribution. Prior to DB2 12, RUNSTATS (and other utilities such as REORG and LOAD collecting inline statistics) invalidated dynamic SQL statements in the global dynamic statement cache that were

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