connect by 是结构化查询中用到的，其基本语法是：
select ... from tablename start with 条件1 connect by 条件2 where 条件3;
例：
select * from table start with org_id = 'A100000' connect by prior org_id = parent_id;
connect by 是结构化查询中用到的，其基本语法是：
select ... from tablename start with 条件1 connect by 条件2 where 条件3;
例：
select * from table start with org_id = 'A100000' connect by prior org_id = parent_id;