Stephan, Patch 117332800 is currently available for 11.2.0.3.7 - it appears to have been released in the last 2 days Description --> WRONG RESULT WHEN SELECTING FROM VIEW ( UNION ALL ) Prerequisites for Patch 17332800 16619892 DATABASE PATCH SET UPDATE 11.2.0.3.7 (INCLUDES CPUJUL2013) It appears that Doc ID:1392633.1 was last modified:27-Sep-2013 The Bug Note however "Bug 17332800 - Wrong results with IOTs and fix of bug 13705338 present (Doc ID 17332800.8)" was last updated October 1 2013 - and this includes 11.2.0.3.7 in the list of versions confirmed as being affected... Thanks, --Rajesh -- //www.freelists.org/webpage/oracle-l