本级程序所用的数据表结构：
# --------------------------------------------------------
#
# 数据表的结构 'author'
#
create table author (
author_id int(6) default '0' not null auto_increment,
first_name varchar(20) binary not null,
last_name varchar(20) not null,
address varchar(100) binary not null,
zipcode varchar(10) not null,
telephone varchar(10) not null,
email varchar(50) not null,
comment varchar(255) not null,
primary key (author_id),
key first_name (first_name),
key last_name (last_name),
key address (address),
key zipcode (zipcode),
key email (email)
);
# --------------------------------------------------------
#
# 数据表的结构 'books'
#
create table books (
books_id int(6) default '0' not null auto_increment,
books_name varchar(100) binary not null,
publisher_id varchar(6) not null,
date_pub datetime default '0000-00-00 00:00:00' not null,
type varchar(6) not null,
pages varchar(4) not null,
price float(6,2) default '0.00' not null,
comment varchar(255) binary not null,
isbn varchar(25) not null,
primary key (books_id),
key name (books_name),
key publisher (publisher_id),
key date_pub (date_pub),
key price (price),
key pages (pages),
key type (type),
key isbn (isbn)
);
# --------------------------------------------------------
#
# 数据表的结构 'books_author'
#
create table books_author (
id int(6) default '0' not null auto_increment,
books_id varchar(6) not null,
author_id varchar(6) not null,
author_type varchar(6) not null,
primary key (id)
);
# --------------------------------------------------------
#
# 数据表的结构 'publisher'
#
create table publisher (
publisher_id int(6) default '0' not null auto_increment,
publisher_name varchar(100) binary not null,
address varchar(100) not null,
zipcode varchar(10) not null,
telephone varchar(10) not null,
telefax varchar(10) not null,
email varchar(50) not null,
primary key (publisher_id),
key name (publisher_name),
key address (address),
key email (email)
);
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