Databases vs File Systems - Module 2

Database Systems - CS2300 - 25 January 2018

Creating a database

  1. Requirements specification and analysis.
  2. Conceptual design
    • Sketch absract view of the database based on step 1
  3. Logical design
    • Structure and organization of the tables
  4. Physical design
    • Implementation and population of the tables with actual data

File Management System Purpose

  • reduce io operations
  • improve performance
  • organize data

Database Management System Purpose

  • same as file management + some
  • security
  • data independance
  • balance conflictions

Module 1 - Fin

File Systems

  • Address Accessible Memory:
    • You need to know its location on the storage medium
  • Content Addressable Memory:
    • Information is accessed by its contents