show parameter session_cached_cursor
drop view user_cursors;
create view user_cursors as
select
ss.username||'('||se.sid||') ' user_process, sum(decode(name,'recursive calls',value)) "Recursive Calls",
sum(decode(name,'opened cursors cumulative',value)) "Opened Cursors", sum(decode(name,'opened cursors current',value)) "Current Cursors"
        from v$session ss, v$sesstat se, v$statname sn
where  se.statistic# = sn.statistic#
                and (     name  like '%opened cursors current%'
                                OR name  like '%recursive calls%'
                                OR name  like '%opened cursors cumulative%')
                and  se.sid = ss.sid
                and     ss.username is not null
group by ss.username||'('||se.sid||') ';

ttitle 'Per Session Current Cursor Usage '
column USER_PROCESS format a25;
column "Recursive Calls" format 999,999,999;
column "Opened Cursors"  format 99,999;
column "Current Cursors"  format 99,999;

select * from user_cursors   
order by "Recursive Calls" desc;

来自 “ ITPUB博客 ” ，链接：http://blog.itpub.net/22664653/viewspace-672248/，如需转载，请注明出处，否则将追究法律责任。