Fields

Schema summary

 DESCRIBE usergroup_member;

+----------+------------------+------+-----+---------+-------+
| Field    | Type             | Null | Key | Default | Extra |
+----------+------------------+------+-----+---------+-------+
| group_id | int(10) unsigned | NO   | PRI | 0       |       |
| user_id  | int(10) unsigned | NO   | PRI | 0       |       |
+----------+------------------+------+-----+---------+-------+

Indices

 SHOW INDEX IN usergroup_member;

+------------------------+------------+--------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| Table                  | Non_unique | Key_name     | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
+------------------------+------------+--------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| wacko_usergroup_member |          0 | idx_group_id |            1 | group_id    | A         |           2 |     NULL | NULL   |      | BTREE      |         |               |
| wacko_usergroup_member |          0 | idx_group_id |            2 | user_id     | A         |           8 |     NULL | NULL   |      | BTREE      |         |               |
+------------------------+------------+--------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+