Posts by user1922 • 39 points

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  A: 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…

  sql modeling diagram der

  answered 6 years, 2 months ago user1922 39