The Entity-Relationship Diagram is widely used in the design of relational databases. Why do you think this is so?
What is it about this model that makes it the ideal choice for relational database design?
Do you see any problems with the use of this model that might make database designers choose another model?
Using your text, the Internet, and other sources as references, research this issue and post your thoughts.
You may put anything in your posting that relates to this topic as long as it is substantive. Remember to cite your sources.