create table inventory (

product tinytext not null,

quantity tinytext not null,

id int(4) default ‘0’ not null auto_increment,

description tinytext not null,

price float(10,2) default ‘0.00’ not null,

category char(1) default ” not null,

key id (id),

primary key (id),

key price (price)

);

insert into inventory values (‘硬盘’,’5′,’1′,’80g’,’5600′,’1′);

insert into inventory values (‘cpu’,’12’,’2′,’p4-2.4g’,’6600′,’1′);

insert into inventory values (‘dvd-rom’,’7′,’3′,’12x’,’2000′,’1′);

insert into inventory values (‘主板’,’3′,’4′,’asus’,’5000′,’2′);

insert into inventory values (‘显示卡’,’6′,’5′,’64m’,’4500′,’1′);

insert into inventory values (‘刻录机’,’4′,’6′,’52w’,’3000′,’1′);

shoping表

create table shopping (

session tinytext not null,

product tinytext not null,

quantity tinytext not null,

card tinytext not null,

id int(4) default ‘0’ not null auto_increment,

key id (id),

primary key (id)

);

shoper表

create database shopper;

use shopper;

create table shopping (

session tinytext not null,

product tinytext not null,

quantity tinytext not null,

card tinytext not null,

id int(4) default ‘0’ not null auto_increment,

key id (id),

primary key (id)

);

create table inventory (

product tinytext not null,

quantity tinytext not null,

id int(4) default ‘0’ not null auto_increment,

description tinytext not null,

price float(10,2) default ‘0.00’ not null,

category char(1) default ” not null,

key id (id),

primary key (id),

key price (price)

);

insert into inventory values (‘硬盘’,’5′,’1′,’80g’,’5600′,’1′);

insert into inventory values (‘cpu’,’12’,’2′,’p4-2.4g’,’6600′,’1′);

insert into inventory values (‘dvd-rom’,’7′,’3′,’12x’,’2000′,’1′);

insert into inventory values (‘主板’,’3′,’4′,’asus’,’5000′,’2′);

insert into inventory values (‘显示卡’,’6′,’5′,’64m’,’4500′,’1′);

insert into inventory values (‘刻录机’,’4′,’6′,’52w’,’3000′,’1′);

*/