【正文】
id varchar(50) NOT NULL, reader_name varchar(50) NOT NULL, age int NOT NULL, academy varchar(30) NOT NULL, department varchar(50) NOT NULL, register datetime NOT NULL, summary varchar(300) NULL)創(chuàng)建Lossbook表 CREATE TABLE Lossbook( book_id int CONSTRAINT FK_Lossbook_Book FOREIGN KEY REFERENCES Book(book_id), reader_id int CONSTRAINT [FK_Lossbook_reader] FOREIGN KEY REFERENCES reader(reader_id), loss_date datetime NOT NULL) 謝謝欣賞!! ?! 】梢酝ㄟ^Book表查詢borrowbook表中的信息?! 主要有五張表: 圖書表Book(book_id,isbn,title,author,publisher,price,amount,total_amount,add_date), 借書表Borrowbook(reader_id,book_id,borrpw_date,revertible_date), 丟失圖書表Lossbo