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