Suppose you are creating a database to help a university
keep track of its course offerings. You might have the following entities in your
database, since they are distinct items in real life that are related to each other in
important ways: course, classroom, professor, and department. Draw an ER
diagram with a box for each of these four entities and arrows between the boxes
labeled with the relationships they denote. (Don’t worry about what fields each of
these entities should have for now.) See the example ER diagram in your
Recently Asked Questions
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