Chapter 9, Problem 42CRP

Explanation of Solution

Objects in object-oriented database used to maintain record of library:

• The object oriented database of an inventory of grocery store can contain:
  • Sections: In the section class, it contains all the sections like science, engineering, fiction and non-fiction literature, and so on.
  • Book description: It contains objects like the publisher, author’s name, price of the book, date of addition, and so on.
  • Borrower: It shows the name of person who borrowed the book, identity number, and the number of books borrowed, and so on.
  • Date of Return and borrow: It enlists all the books that have been borrowed with their date of return and date of borrow, and so on...