查看shared_pool中未使用绑定变量的语句

select d.plan_hash_value plan_hash_value,
       d.execnt          execnt,
       a.hash_value      hash_value,
       a.sql_text        sql_text
  from v$sqltext a,
       (select plan_hash_value, hash_value, execnt
          from (select c.plan_hash_value,
                       b.hash_value,
                       c.execnt,
                       rank() over(partition by c.plan_hash_value order by b.hash_value) as hashrank
                  from v$sql b,
                       (select count(*) as execnt, plan_hash_value
                          from v$sql
                         where plan_hash_value <> 0
                         group by plan_hash_value
                        having count(*) > 10
                         order by count(*) desc) c
                 where b.plan_hash_value = c.plan_hash_value
                 group by c.plan_hash_value, b.hash_value, c.execnt)
         where hashrank <= 3) d
 where a.hash_value = d.hash_value
 order by d.execnt desc, a.hash_value, a.piece