Hi, What is the rationale behind the recommendation? I would never set these parameters in my database unless there is a compelling reason to do that. One of the parameter is dangerous, few of them are bad and one of them is Non-RAC. What is the actual problem you are trying to solve? -- Best Regards, K Gopalakrishnan Co-Author: Oracle Wait Interface, Oracle Press 2004 http://www.amazon.com/exec/obidos/tg/detail/-/007222729X/ Author: Oracle Database 10g RAC Handbook, Oracle Press 2006 http://www.amazon.com/gp/product/007146509X/ -- //www.freelists.org/webpage/oracle-l