1.
create database liu;

2.v1.2ԱSQL,԰װv1.0ûִе
 create table lyb(
 id int(6) auto_increment primary key not null,
 tname varchar(6) not null,
 tx int(3) not null,
 dtime datetime not null,
 title varchar(33) not null,
 qq int(13) null,
 email varchar(25) null,
 nei text not null,
 htime datetime null,
 estate int(1) null,
 hnei text null,
 ip varchar(15) null,
 index title(title)
)ENGINE=MyISAM DEFAULT CHARSET=gbk AUTO_INCREMENT=1;

3.Ѿװv1.0û
ALTER TABLE lyb ADD ip varchar(15) null after nei;
