Posts by user1922 • 39 points
1 post
-
3
votes2
answers16608
viewsA: What is the difference between MER (Relationship Entity Model) and DER (Relationship Entity Diagram)?
The MER (Entity-Relationship Model) is a language that aims to describe conceptual database models. It was proposed by Peter Chen in 1976. Through it it is possible to represent concepts such as…