我想检索groupid对应的containsgroupid的记录

Question

这里我展示了一个我想要检索对应于groupid

的containsgroupid的表

这是我的查询

select groupname,containedgroupid 
from groups g1 
where (select 
containedgroupid 
from groups g2 
where g1.containedgroupid=g2.containedgroupid);

+---------+----------------+------------------+
| groupid | groupname      | containedgroupid |
+---------+----------------+------------------+
|       0 | ANDHRA PRADESH |                0 |
|       1 | KERALA         |                5 |
|       2 | TAMILNADU      |                4 |
|       3 | MADHYAPRADESH  |                3 |
|       4 | PUNJAB         |                3 |
|       5 | CHENNAI        |                2 |
|       6 | KARNATAKA      |                2 |
|       7 | MAHARASTRA     |                1 |
|       8 | HARYANA        |                5 |
+---------+----------------+------------------+