Showing Data and Index


This interface is displayed after submitting Show data and index from the main interface. It includes two functions:
  Show all Books and the Book Index, or Enter an ISBN to Show a Book.
    ISBN:   Show a book
Show all data and index
Help




  Password:                    

This implementation has the following features: Manipulating an index on a disk is slow and complicated. However, except the obvious advantage of easy maintenance, it has some other advantages over the use of a data file sorted by key: