How many entities are there in the diagram

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You are designing a ER diagram for a database for Seneca College. The database needs to store information about students, professors and courses. All entities and relationships are as follow. For students, the information stored are their full name, their ID and which courses they enroll in. For professors, the information stored are their full name, their ID, and which courses they teach. We also store all our courses number. One student can take many courses and one course can have many students. One professor can teach many courses but one course can only have one professor. How many entities are there in the diagram?

Reference no: EM133625961

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