A library service wants to create a database to store details ofits libraries, books andborrowers. Details include the following:A book has a unique ISBN number, a title and one or more authors. The libraryservice may own several copies of a given book, each of which is located in one ofthe service's libraries. A given library contains many books, and in order todistinguish different copies of the same book a library assigns a different copy-number to each of its copies of a given book; the price that was paid for each copy isalso recorded. Every library has a unique name and is either a main library or abranch library. A main library may have zero or more branch libraries and everybranch library is a branch ofexactly one main library, A borrower has a name and aunique ID code. A borrower can have many books on loan, but each copy of a bookcan only be on loan to one borrower. A borrower could borrow the same book onseveral occasions, butit is assumed that each such loan will take place on a differentdate.Propose EER diagram to this system.

List entities and sub entities: 1. Book 2. BookCopy 3. Library: There are two kind of libraries a.…

A library service wants to create a database to store details ofits libraries, books and borrowers. Details include the following: A book has a unique ISBN number, a title and one or more authors. The library service may own several copies of a given book, each of which is located in one of the service's libraries. A given library contains many books, and in order to distinguish different copies of the same book a library assigns a different copy- number to each of its copies of a given book; the price that was paid for each copy i also recorded. Every library has a unique name and is either a main library or a branch library. A main library may have zero or more branch libraries and every branch library is a branch ofexactly one main library. A borrower has a name and a unique ID code. A borrower can have many books on loan, but each copy of a book can only be on loan to one borrower. A borrower could borrow the same book on several occasions, butit is assumed that each such loan will take place on a different date. Propose EER diagram to this system.

A library service wants to create a database to store details ofits libraries, books and borrowers. Details include the following: A book has a unique ISBN number, a title and one or more authors. The library service may own several copies of a given book, each of which is located in one of the service's libraries. A given library contains many books, and in order to distinguish different copies of the same book a library assigns a different copy- number to each of its copies of a given book; the price that was paid for each copy i also recorded. Every library has a unique name and is either a main library or a branch library. A main library may have zero or more branch libraries and every branch library is a branch ofexactly one main library. A borrower has a name and a unique ID code. A borrower can have many books on loan, but each copy of a book can only be on loan to one borrower. A borrower could borrow the same book on several occasions, butit is assumed that each such loan will take place on a different date. Propose EER diagram to this system.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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