Ujang, > Is there any calculation about number of CPU + its GHZ against oracle > processes relation?? (assuming the machine dedicated for oracle database) What exactly is the question? Are you talking about the CPU_COST for standard operations? Or is this about System stats? -- John Kanagaraj <>< DB Soft Inc http://www.linkedin.com/in/johnkanagaraj http://jkanagaraj.wordpress.com (Sorry - not an Oracle blog!) ** The opinions and facts contained in this message are entirely mine and do not reflect those of my employer or customers ** -- //www.freelists.org/webpage/oracle-l