Monday, March 7, 2011

224-232 Reading Questions/Answers

FYI: I didn't have to do this week's RQ's because I was presenting, but I did four questions any way.

1- Who are the creators of Google?
  • Sergey Brin and Larry Page
2-What is the difference between a file manager and a database-management system? How are they similar?
  • File Manager: computer program that provides a user interface to work with file systems.
  • A file manager lets do many things with files: create, open, edit, view, print, play, rename, move, copy, delete, and more.
  • Database-management: creation, maintenance, and use of a database

  • Both a file manager and database-management help you create and edit (and more).
3-What is a query?
  • A query is a form of questioning
 4-  Describe the structure of a simple database.
  • The structure of a simple database:
    • A database is a collection of information that is stored in well-defined tables, or matrices. 
    • The rows are used to describe are used to describe similar items. These rows are also called "database records"
    • The columns provide properties of the records.

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