All supported hints are documented in the SQL reference guide. Use unsupported hints at your own risk. Robert G. Freeman Oracle Consultant/DBA/Author Principal Engineer/Team Manager The Church of Jesus Christ of Latter-Day Saints Father of Five, Husband of One, Author of various geeky computer titles from Osborne/McGraw Hill (Oracle Press) Oracle Database 11g New Features Now Available for Pre-sales on Amazon.com! Sig V1.1