題組內容
三、假設某圖書館之關連資料庫中有七個關連資料表其資料綱要(data schema)如下,底 線代表主要鍵,箭頭曲線代表外鍵。 BOOK(BookId, Title, PublisherName) BOOK_AUTHORS(BookId, AuthorName) PUBLISHER(Name, Address, Phone) BOOK_COPIES(BookId, BranchId, No_Of_Copies) BOOK_LOANS(BookId, BranchId, CardNo, DateOut, DueDate) LIBRARY_BRANCH(BranchId, BranchName, Address) BORROWER(CardNo, Name, Address, Phone)
試寫出以下查詢之 SQL:(每小題 10 分,共 20 分)