【TUNE_ORACLE】列出走了错误的排序合并连接的SQ

实验环境

搭建平台：VMware Workstation

OS：RHEL 6.10

Grid&DB：Oracle 11.2.0.4

SQL参考

select c.sql_id, c.sql_text, d.owner, d.segment_name, d.mb

  from v$sql_plan a,

       v$sql_plan b,

       v$sql c,

       (select owner, segment_name, sum(bytes / 1024 / 1024) mb

          from dba_segments

         group by owner, segment_name) d

 where a.sql_id = b.sql_id

   and a.child_number = b.child_number

   and b.operation = 'SORT'  --SORT JOIN

   and b.options = 'JOIN'

   and b.access_predicates like '%"="%'

   and a.parent_id = b.id

   and a.object_owner = 'TEST'

   and b.sql_id = c.sql_id

   and b.child_number = c.child_number

   and a.object_owner = d.owner

   and a.object_name = d.segment_name

 order by 4 desc;