Yes "not supported" does not mean yet removed totally ... yet ... Maria Colgan https://blogs.oracle.com/optimizer/entry/why_was_the_rule_hint ________________________________ From: Sayan Malakshinov <xt.and.r@xxxxxxxxx> To: kibeha@xxxxxxxxx Cc: big.dave.roberts@xxxxxxxxxxxxxx; ORACLE-L <oracle-l@xxxxxxxxxxxxx> Sent: Sunday, March 30, 2014 2:05 PM Subject: Re: Oracle 9i hints that are obsolete in 11gR2 Strictly speaking, hint rule still works even on 12.1, but it is not supported since 10.1 Best regards, Sayan Malakshinov Senior Oracle performance tuning engineer PSBANK