is the model that represents the relationship of the sets of entity saved in
the table. It can also be referred as a flowchart.
is a flowchart that describes the relation of the objects, people and the
concepts among each other. It is basically used to describe the rational databases.
is also known as entity relationship model. It is the representation of the
data depicting the relationship of the entities through a graph. It is useful
in describing the various process of the business.
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