46 lines
1.0 KiB
MySQL
46 lines
1.0 KiB
MySQL
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drop database if exists booksys;
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create database booksys default charset utf8;
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use booksys;
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create table tb_book
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(
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bookid integer not null,
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isbn char(13) not null,
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bname varchar(100) not null,
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price decimal(8,2) not null,
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author varchar(100) not null,
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publisher varchar(50) not null,
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pubdate date,
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intro varchar(500),
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lended bit default 0,
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counter integer default 0,
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primary key (bookid)
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);
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create table tb_reader
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(
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readerid integer not null,
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rname varchar(20) not null,
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gender bit not null,
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tel char(11) not null,
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birth date,
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regdate date not null,
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available bit default 1,
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primary key (readerid)
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);
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create table tb_record
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(
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recordid integer not null auto_increment,
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bid integer not null,
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rid integer not null,
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lenddate datetime not null,
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backdate datetime,
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pulishment decimal(6,2),
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primary key (recordid)
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);
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alter table tb_record add constraint fk_record_bid foreign key (bid) references tb_book (bookid) on update cascade;
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alter table tb_record add constraint fk_record_rid foreign key (rid) references tb_reader (readerid) on update cascade;
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