递归连接查询

select * from DT_INDUSTRY t 

start with industrycode IN (select industrycode from SYS_COMPANY_INDUSTRY t WHERE t.compid='541572482EDA4D4A9AA6E4AFB31A3782')



connect by prior INDUSTRYPCODE = industrycode



  SELECT SUBSTR(MAX(SYS_CONNECT_BY_PATH(NAME, '@sirc')), 6) AS NAME,

                 SUBSTR(MAX(SYS_CONNECT_BY_PATH(ID, '@sirc')), 6) AS ID    

            FROM SpecificFolderRelation B

           START WITH B.ID = P_ID

          CONNECT BY PRIOR B.PARENTID = B.ID;