create table argument(//论点表
id integer primary key,
title varchar(80),
content varchar(10000)
)type=innodb;create table commentary(//评论表
commentary_id integer primary key ,
content varchar(10000),
argument_id integer references argument(id)
on delete cascade
)type=innodb;
为什么不能级联删除啊
id integer primary key,
title varchar(80),
content varchar(10000)
)type=innodb;create table commentary(//评论表
commentary_id integer primary key ,
content varchar(10000),
argument_id integer references argument(id)
on delete cascade
)type=innodb;
为什么不能级联删除啊
以下链接:
http://edu.codepub.com/2009/0105/1134.php