图书管理系统创建数据库和表.doc

/*1管理员表（L_Administrator）字段名字段阐明数据类型约束备注a_id管理员编号intPrimary KeyIdentity(1000,1)a_name管理员姓名nvarchar(20)Not nulla_pwd管理员密码varchar(20)Not Null */ use Library gocreate table L_Administrator(a_id int not null primary key Identity(1000,1),a_name nvarchar(20) not null,a_pwd varchar(20) not null);/*2职务类型表（L_Duty）字段名字段阐明数据类型约束备注d_id职务编号intPrimary KeyIdentity(1000,1)d_name职务名称nvarchar(20)Not nulld_maxcount最大借阅数量tinyintNot Null*/use Librarygocreate table L_Duty(d_id int not null primary key Identity(1000,1),d_name nvarchar(20) not null,d_maxcount tinyint not null);/*3读者表（L_Reader）字段名字段阐明数据类型约束备注r_id读者编号bigintPrimary Keyr_name读者姓名nvarchar(20)Not Nullr_pwd读者密码varchar(20)Not Nullr_sex读者性别bitNot Nullr_typeid职务类型intForeign Key职务类型表旳主键r_academy所在院系nVarchar(20)r_major专业nVarchar(20)r_contact联系方式Varchar(20)r_email邮箱nvarchar(20)r_photo读者照片nVarchar(100)存旳是读者照片旳途径*/use Librarygocreate table L_Reader(r_id bigint not null primary key,r_name nvarchar(20) not null,r_pwd varchar(20) not null,r_sex bit not null,r_typeid int not null,r_academy nvarchar(20),r_major nvarchar(20),r_contact varchar(20),r_email varchar(20),r_photo nvarchar(100);alter table L_Reader add constraint fk_dtypeid foreign key(r_typeid) references L_Duty(d_id)on delete cascadeon update cascade;/*创立一种存储过程*/use Librarygocreate procedure readerr_id bigint,r_name nvarchar(20),r_pwd varchar(20),r_sex bit,r_typeid int,r_academy nvarchar(20),r_major nvarchar(20),r_contact varchar(20),r_email varchar(20),r_photo nvarchar(100)asbegininsert into L_Reader(r_id,r_name,r_pwd,r_sex,r_typeid,r_academy,r_major,r_contact,r_email,r_photo)values(r_id,r_name,r_pwd,r_sex,r_typeid,r_academy,r_major,r_contact,r_email,r_photo);end/*4图书类型表（L_BookType）字段名字段阐明数据类型约束备注bt_id类型编号intPrimary KeyIdentity(1000,1)bt_name类型名称nVarchar(20)Not null*/use Librarygocreate table L_BookType(bt_id int not null primary key Identity(1000,1),bt_name nvarchar(20) not null);/*5出版社信息表（L_Publishing）字段名字段阐明数据类型约束备注ISBN国际原则图书编码char(13)Primary Keyp_name出版社名称nvarchar(30)Not Null*/use Librarygocreate table L_Publishing(ISBN char(13) not null primary key,p_name nvarchar(30) not null); /*6图书信息表（L_Book）字段名字段阐明数据类型约束备注b_id图书编号Varchar(30)Primary KeyIdentity(1000,1)b_name图书名称nvarchar(30)Not NullISBN国际原则图书编码char(13)Foreign Key13位数字构成b_bkcaseid书架编号Varchar(20)b_price定价Numeric(10,2)b_author作者nvarchar(20)b_typeid类型编号intForeign Keyb_intime入库时间DateTimeb_synopsis图书简介Nvarchar(500)b_state图书状态bit0-借出，1-没有借出b_photo封面图片Nvarchar(100)存旳是途径*/use Librarygocreate table L_Book(b_id varchar(20) not null primary key ,b_name nvarchar(30) not null,ISBN char(13),b_bkcaseid varchar(20),b_price Numeric(10,2) not null,b_author nvarchar(20),b_typeid int,b_intime DateTime,b_synopsis nvarchar(1000),b_state bit not null default 0,b_photo nvarchar(100);alter table L_Book add constraint fk_btypeid foreign key(b_typeid) references L_BookType(bt_id) on delete cascadeon update cascade;alter table L_Book add constraint fk_bisbn foreign key(ISBN) references L_Publishing(ISBN) on delete cascadeon update cascade;alter table L_Book drop column b_bkcaseid/*创立存储过程*/use Librarygocreate procedure bookb_name nvarchar(30),ISBN char(13),b_bkcaseid varchar(20),b_price numeric(10,2),b_author nvarchar(20),b_intime datetime,b_synopsis nvarchar(1000),b_photo nvarchar(100)asbegininsert into L_Book(b_name,ISBN,b_bkcaseid,b_price,b_author,b_intime,b_synopsis,b_photo)values(b_name,ISBN,b_bkcaseid,b_price,b_author,b_intime,b_synopsis,b_photo);end/*7借阅管理表（L_Borrow）字段名字段阐明数据类型约束备注bw_id借阅编号intPrimary KeyIdentity(1,1)bw_bookid图书编号Varchar(20)Foreign Keybw_readerid读者编号IntForeign Keybw_outtime借出日期DateTimeNot Nullbw_endtime到期日期DateTimeNot Nullbw_backtime归还日期DateTimebw_isexpired与否过期BitNot Null默觉得0-但是期bw_fine罚款数目Numeric(10,2)过期后才计算罚款数目*/use Librarygocreate table L_Borrow(bw_id int not null primary key Identity(1,1),bw_bookid varchar(20),bw_readerid bigint ,bw_outtime datetime not null,bw_endtime as dateadd(d,30,bw_outtime),bw_backtime datetime,bw_isexperied bit default 0,bw_fine numeric(10,2) default 0.00);alter table L_Borrow add constraint fk_bookid foreign key(bw_bookid) references L_Book(b_id)on delete cascadeon update cascade;alter table L_Borrow add constraint fk_readerid foreign key(bw_readerid) references L_Reader(r_id)on delete cascadeon update cascade;/*8图书资源表（L_Resource）字段名字段阐明数据类型约束备注rs_id资源编号IntPrimary KeyIdentity(1000,1)rs_name资源名称nVarchar(30)Not nullrs_synopsis资源简介nVarchar(500)rs_amount资源大小int单位为KB或是MBrs_type资源类型Varchar(20)类似于doc、xsl、ppt、pdf、zip、rar、MP3、wmv等常用格式*/use Librarygocreate table L_Resource(rs_id int not null primary key Identity(1000,1),rs_name nvarchar(30) not null,rs_synopsis nvarchar(500),rs_amount bigint,rs_type varchar(20);/*9图书评论表（L_BookMarks）字段名字段阐明数据类型约束备注ISBN国际原则图书编码char(13)Foreign Keybm_contents评论内容Nvarchar(500)Not Nullbm_time评论时间DateTimeNot Null*/use Librarygocreate table L_BookMarks(ISBN char(13) not null,bm_contents nvarchar(500) not null,bm_time datetime not null);alter table L_BookMarks add constraint fk_bmisbn foreign key(ISBN) references L_Publishing(ISBN)on delete cascadeon update cascade;/*10书架信息表（L_BookCase）字段名字段阐明数据类型约束备注bc_id书架编号intPrimary KeyIdentity(1000,1)bc_typeid类型编号intForeign Key*/use Librarygocreate table L_BookCase(bc_id int not null primary key Identity(1000,1),bc_typeid int not null);alter table L_BookCase add constraint fk_bctypeid foreign key(bc_typeid) references L_BookType(bt_id);