mysql-enum

[wxdqz]

how do i store multiple data in one field?
i have a table like this

+-------+-------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------+-------------------+------+-----+---------+-------+
| test | enum('a','b','c') | YES | | NULL | |
+-------+-------------------+------+-----+---------+-------+


insert into test values('a','b','c'); doens't work. please help