mysql> create table newsgroup(
-> id integer unsigned NOT NULL AUTO_INCREMENT,
-> creater integer unsigned NOT NULL,
-> coremember integer unsigned DEFAULT NULL,
-> name varchar(300) not null unique,
-> description text,
-> created datetime not null,
-> PRIMARY KEY (id)
-> );
ERROR 1071 (42000): Specified key was too long; max key length is 767 bytes
mysql>
我改成300
,250
没关系。但我不太明白。