Oracle set Menu Full path

1. First set the Full_name (full path) of one-level menu

update S_DEPARTMENT t set t.full_name = ‘XX集团‘  where fid=‘-1‘;

2, set the level two menu Full_name

update (             select a.dep_name,a.full_name,b.dep_name dd,b.full_name cc from              (select * from S_DEPARTMENT where dep_level = ‘2‘) a ,  -- 获取二级菜单             (select * from S_DEPARTMENT where dep_level = ‘1‘) b    -- 获取一级菜单             where a.fid = b.id)set full_name = cc||‘/‘||dep_name ;

Oracle set Menu Full path