oracle树形结构全路径查询

原文链接： http://www.cnblogs.com/xtjatswc/p/10791486.html

很实用的语法，父子节点通过id与patientId来关联，知道子节点的id，想查出所有的父节点：

START WITH ...
CONNECT BY ...

SELECT T2.ORG_FULLNAME
  FROM SYS_ORG T
  LEFT JOIN SYS_ORG_MULTILANG T2
    ON T2.ORG_ID = T.ORG_ID
   AND T2.DICT_LANG_TYPE = 'en'
 START WITH T.ORG_ID = '101230'
CONNECT BY PRIOR T.ORG_PARENT_ID = T.ORG_ID

转载于:https://www.cnblogs.com/xtjatswc/p/10791486.html