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Draw an ER Diagram of the Library Database.   Draw an EER Diagram of the Library Database.   Include look near notations, and show cardinality. Make sure to point out the primary and foreign keys

Draw an ER Diagram of the Library Database.   Draw an EER Diagram of the Library Database.   Include look near notations, and show cardinality. Make sure to point out the primary and foreign keys

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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  • Draw an ER Diagram of the Library Database.  
  • Draw an EER Diagram of the Library Database.  
  • Include look near notations, and show cardinality. Make sure to point out the primary and foreign keys.  
**Case Study: The Georgia Tech Library (GTL)** The Georgia Tech Library (GTL) has around 16,000 members, 100,000 titles, and 250,000 volumes (averaging 2.5 copies per book). About 10% of the volumes are usually checked out. Librarians ensure that the books members want to borrow are available and track the number of copies either in the library or on loan. A catalog listing books by author, title, and subject area is accessible online. For each book title, a description ranging from one sentence to several pages is maintained. Reference librarians can access these descriptions to assist members. Library staff includes the chief librarian, department associate librarians, reference librarians, check-out staff, and library assistants. **Borrowing Policies:** - Books are checked out for 21 days, with a maximum of five books per member at once. - Members usually return books within 3-4 weeks. - A one-week grace period is given before a notice is sent to encourage timely returns. - About 5% of members need return reminders. - Most overdue books are returned within a month, although some are never returned. **Library Member Activity:** - Active members are those who borrow at least ten times annually. - The top 1% of members account for 15% of borrowing; the top 10% account for 40%. - Approximately 20% of members do not borrow at all. **Membership Process:** - Applicants submit a form with their SSN, campus/home addresses, and phone numbers. - Members receive a numbered, machine-readable card with a photo, valid for four years. Notifications are sent for card renewal. - Faculty members from the institute receive a card automatically. **Book Lending Restrictions:** - Some books, such as reference books, rare books, and maps, are non-lendable. - The library tracks books that cannot be lent or are interested in acquiring. - Books are identified by their International Standard Book Number (ISBN). - Different editions or language versions of the same book have different ISBNs. The proposed database system must manage membership, books, the catalog, and borrowing activities.
Transcribed Image Text:**Case Study: The Georgia Tech Library (GTL)** The Georgia Tech Library (GTL) has around 16,000 members, 100,000 titles, and 250,000 volumes (averaging 2.5 copies per book). About 10% of the volumes are usually checked out. Librarians ensure that the books members want to borrow are available and track the number of copies either in the library or on loan. A catalog listing books by author, title, and subject area is accessible online. For each book title, a description ranging from one sentence to several pages is maintained. Reference librarians can access these descriptions to assist members. Library staff includes the chief librarian, department associate librarians, reference librarians, check-out staff, and library assistants. **Borrowing Policies:** - Books are checked out for 21 days, with a maximum of five books per member at once. - Members usually return books within 3-4 weeks. - A one-week grace period is given before a notice is sent to encourage timely returns. - About 5% of members need return reminders. - Most overdue books are returned within a month, although some are never returned. **Library Member Activity:** - Active members are those who borrow at least ten times annually. - The top 1% of members account for 15% of borrowing; the top 10% account for 40%. - Approximately 20% of members do not borrow at all. **Membership Process:** - Applicants submit a form with their SSN, campus/home addresses, and phone numbers. - Members receive a numbered, machine-readable card with a photo, valid for four years. Notifications are sent for card renewal. - Faculty members from the institute receive a card automatically. **Book Lending Restrictions:** - Some books, such as reference books, rare books, and maps, are non-lendable. - The library tracks books that cannot be lent or are interested in acquiring. - Books are identified by their International Standard Book Number (ISBN). - Different editions or language versions of the same book have different ISBNs. The proposed database system must manage membership, books, the catalog, and borrowing activities.
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