Julian Dyke is an independent consultant specializing in Oracle Database technology. He has over 20 years of database experience, including more than 15 years as an Oracle DBA, developer, and consultant. He is chair of the UK Oracle User Group Real Application Clusters Special Interest Group (UKOUG RAC SIG) and a member of the Oak Table Network. He regularly presents at conferences, seminars, and usergroup meetings in the UK, Europe, and the US. He also maintains www.juliandyke.com, which specializes in Oracle diagnostics, optimization, and internals. He is an