On Mon, Oct 28, 2013 at 12:48 PM, Sanjay Mishra <smishra_97@xxxxxxxxx>wrote: > What is best way to check max number of concurrent session reported in a > specific AWR snapshot. Need to check number of concurrent session at some > outage time and so need to compare if the number of concurrent session > reported in any snapshot are drammatically high then other > Hi Sanjay, I think the question needs a little more explanation of what are really trying to accomplish. By default an AWR snapshot is 60 minutes. During that time a session may appear several times, or not at all, The data stored in AWR is 10% of what is seen in ASH, Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist Oracle Blog: http://jkstill.blogspot.com Home Page: http://jaredstill.com -- //www.freelists.org/webpage/oracle-l