I get the same results on a 9.2.0.4 and we don't use AQ either. mvg/regards Jo Niall Litchfield <niall.litchfield@xxxxxxxxx> Sent by: oracle-l-bounce@xxxxxxxxxxxxx 04/20/2005 10:24 Please respond to niall.litchfield To: "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx> cc: Subject: Constraint oddity I wonder if anyone has seen this before 1 select constraint_name,table_name from all_constraints 2* where constraint_type='?' SQL> / CONSTRAINT_NAME TABLE_NAME ------------------------------ ------------------------------ SYS_C001088 AQ$_REPLAY_INFO We don't use AQ. its a 9206 SE database. -- Niall Litchfield Oracle DBA http://www.niall.litchfield.dial.pipex.com -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l