i want to get an average duration on each node an process i tried | select | e.name_, a.name_, avg(distinct b.duration_ ) | from jbpm_node a, | jbpm_log b, | jbpm_processinstance d, | jbpm_processdefinition e, | jbpm_token t | | where d.processdefinition_ = e.id_ and a.id_ = b.SOURCENODE_ and d.ROOTTOKEN_ = t.ID_ and t.NODE_ = a.ID_ | group by e.name_, a.name_ | order by 3 desc; | | but there is a mistake. any idea what is wrong with my select? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4170936#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...