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Draw an ER diagram for the following. Be sure to indicate the existence and cardinality for each relationship. A college runs many classes. Each class
Draw an ER diagram for the following. Be sure to indicate the existence and cardinality for each relationship.
A college runs many classes. Each class may be taught by several teachers, and a teacher may teach several classes. A particular class always uses the same room. Because classes may meet at different times or on different evenings, it is possible for different classes to use the same room.
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