【正文】
primary key(strat_time),constraint FK_library foreign key(admin_id) references admin(admin),constraint FK_library foreign key(book_index) references book(book_index),constraint FK_library foreign key(reader_id) references reader(reader_id),go圖書館管理系統(tǒng)ER 讀者信息圖書類別讀者類別罰金標(biāo)準(zhǔn)圖書管理員圖書信息屬于執(zhí)行登記借閱屬于 借書時間 還書時間 圖書編號 借書卡號 入庫時間 讀者類別名 罰金類別名 罰金數(shù)額 用戶名N1N111MMM圖7圖書館管理系統(tǒng)數(shù)據(jù)表清單 下面我們僅列出一些重要表的屬性及其參數(shù)參考。,39。))(2)創(chuàng)建讀者(reader)信息表的約束alter table readeradd constraint PK_reader primary key(reader_id),constraint FK_reader foreign key(admin_id) references admin(admin_id), constraint CK_readerSex check(readerSex in (39。,39。數(shù)據(jù)庫創(chuàng)建語句圖書管理系統(tǒng)在SQL Server 2000 數(shù)據(jù)庫中的創(chuàng)建代碼:1. 創(chuàng)建數(shù)據(jù)庫create database Library(1)創(chuàng)建管理員(admin)信息表create table admin(admin_id varchar(5) not null ,admin_name varchar(10) not null,admin_sex varchar(2) not null,admin_zhiwei varchar(10) not nulladmin_pwd varchar(16) not nulladmin_img varchar(16) not null)Go(2)創(chuàng)建讀者(reader)信息表create table reader(book_zuozhe varchar(16) not null,reader_pwd varchar(16) not null,reader_name varchar(8) not null,reader_sex varchar(2) not null,reader_xi varchar(30) not null, reader_class varchar(30) not null,reader_dianhua varchar(20) not null,reader_img varchar(20))(3)創(chuàng)建圖書(book)信息表create table book(book_index varchar(20) not null,book_name varchar(30) not null,book_zuozhe varchar(30) not null,book_leibie varchar(20) not null,book_chubanshe varchar(30) not null,book_jiage double not null,book_weizhi varchar(10) not null,book_yunxujieyueshijian int not null,book_jianjie varchar(100) not null,)(4)創(chuàng)建借閱(library)信息表create table library(reader_id varchar(16) not null ,book_index varchar(20) not null,start_time datatime not null,end_time datatime not nulladmin_id varchar(5) not null)Go(1)創(chuàng)建管理員(admin)信息表的約束alter table admin