you might want to check out this (related) bug: http://metalink.oracle.com/metalink/plsql/ml2_documents.showFrameDocument? p_database_id=BUG&p_id=3327512 fixed in 10g Release 2, and I guess it will be backported too... Cheers, Lex. > When trying out hints I only focused on no_unnest and totally forgot about > no_merge which should have been the more obvious one. That is consistent > with the result I got using the rownum pseudo-column which also prevents > merging. > > regards > > Wolfgang Breitling ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------