mysql> desc help_relation;
+-----------------+------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-----------------+------------------+------+-----+---------+-------+
| help_topic_id | int(10) unsigned | NO | PRI | | |
| help_keyword_id | int(10) unsigned | NO | PRI | | |
+-----------------+------------------+------+-----+---------+-------+
2 rows in set (0.00 sec)
mysql> use test
Database changed