LIS 558 - Entity-relationship model advantages and disadvantages

Advantages Disadvantages
  • Conceptual simplicity
  • Visual representation
  • Effective communication
  • Integration with the relational database model
  • Limited constraint representation
  • Limited relationship representation
  • No representation of data manipulation
  • Loss of information


Last updated July 5, 2001.
This page maintained by Prof. Tim Craven
E-mail (text/plain only):
Faculty of Information and Media Studies
University of Western Ontario,
London, Ontario
Canada, N6A 5B7