... book may be available in several languages, in paperback or hardback, and be loanable or not loanable. Title-to-item is a one-to-many relationship. Furthermore, for each listing in the item table, ... membership of the library: member-to-adult is a one-to-one relationship, while adult-to-juvenile is a one-to-many relationship. Appendix A: Library Database Case Study 5 Item Information The title, ... individual? What percentage of the books was loaned out at least once last year? What percentage of all loans eventually becomes overdue? What is the average length of a loan? What are the library’s...