Servlet+oracle MVC 架构 搭建简易购物车web项目---数据库设计

用户表
create table users
(
id number primary key,
name varchar2(50) not null,
pwd varchar2(50) not null,
email varchar2(100) not null,
tel varchar2(20) not null,
grade number(2) default 1 not null
);
商品表
create table book(
id number primary key,
name varchar2(50) not null,
author varchar2(100) not null,
publishHouse varchar2(100) not null,
price number not null,
nums number default 1000 not null
);
测试数据(用户)
insert into users values(110,'wxh','wxh','123456789@qq.com','455',1);
commit;

自增长
create sequence book_seq
start with 1
increment by 1
minvalue 1
maxvalue 9999999
nocycle
nocache;

测试数据(商品)
insert into book values(book_seq.nextval,'jsp应用开发详解','小风','电子工业出版社',59,400);
insert into book values(book_seq.nextval,'JAVA WEB 开发','小黄','电子工业出版社',43,734);
<pre name="code" class="sql">commit;

订单表create table orders(id number primary key,--订单的编号userId number  references users(id),--下订单的用户编号totalPrice number default 0 not null,--该订单的总价格orderDate date default sysdate not null --该订单的时间);订单细节表create table orderItem(id number primary key, --增长的编号ordersId number references orders(id),bookId number references book(id),--书号是多少bookNum number default 0 not null --商品的数量);自增长1create sequence order_seqstart with 1increment by 1minvalue 1maxvalue 9999999nocyclenocache;自增长1create sequence orderitem_seqstart with 1increment by 1minvalue 1maxvalue 9999999nocyclenocache;