---查看某个回话的统计信息
select a.STATISTIC#,a,name,a.class,b.value,a.STAT_ID
from v$statname a,v$sesstat b,v$session s
where s.sid=b.sid
and b.STATISTIC#=a.STATISTIC#
and s.sid=35
and name like '%sort%';
---查看当前回话的统计信息
select a.STATISTIC#,a.name,a.class,b.value,a.STAT_ID
from v$statname a,v$sesstat b,v$session s
where s.sid=b.sid
and b.STATISTIC#=a.STATISTIC#
and s.sid=(select userenv('sid') from dual)
and name like '%sort%';
select a.STATISTIC#,a.name,a.class,b.value,a.STAT_ID
from v$statname a,v$sesstat b,v$session s
where s.sid=b.sid
and b.STATISTIC#=a.STATISTIC#
and s.sid=(select userenv('sid') from dual)
and name like '%parse%';
select a.STATISTIC#,a.name,a.class,b.value,a.STAT_ID
from v$statname a,v$sesstat b,v$session s
where s.sid=b.sid
and b.STATISTIC#=a.STATISTIC#
and s.sid=(select userenv('sid') from dual)
and name like '%table scan%';