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根据id查询出所有的父级和子级

2017-11-30 17:59 267 查看
//去重

select id from  sys_dict start with id='5' connect by prior fid=id union (select id from  sys_dict start with id='5' connect by prior id=fid)

//全部

select id from  sys_dict start with id='5' connect by prior fid=id union  all(select id from  sys_dict start with id='5' connect by prior id=fid)
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