Sql 递归查询

1，查询指定父类下所有的子

with temp as
(
    select * from bot_EquityFundamentals where Id=7 --父类Id
    union all
    select b.*from bot_EquityFundamentals b
    inner join
    temp t on (b.ParentId = t.Id)
)
select* from temp order by Id; 

2，查询指定子类所有的父类

with temp as
(
    select * from bot_EquityFundamentals where Id=2143 --子类Id
    union all
    select b.* from bot_EquityFundamentals b
    inner join 
    temp t on (b.Id=t.ParentId)
)
select * from temp;