DRAW ERD a professor teaches zero, one or many classes and a class is taught by one professor a course may generate zero, one or many classes and a class comes from one course a class is held in one room but a room has many classes

Question: DRAW ERD: a professor teaches zero, one or many classes and a class is taught by one professor a course may generate zero, one or

DRAW ERD:

a professor teaches zero, one or many classes and a class is taught by one professor
a course may generate zero, one or many classes and a class comes from one course
a class is held in one room but a room has many classes

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