CREATE TABLE `g4_memo_group` (
`gr_id` int(11) NOT NULL auto_increment,
`mb_id` varchar(255) NOT NULL,
`gr_name` varchar(255) NOT NULL,
`gr_datetime` datetime NOT NULL
);

ERROR 1075: Incorrect table definition; There can only be one auto column and it

must be defined as a key
mysql>

저 g4_memo_group 만 등록하면 될것 같은데 계속 오류나네욧 ㅠㅠ