A university database contains information about professors (identified by socia

A university database contains information about professors (identified by social security number or SSN) and courses (identified by courseid). Professors teach courses; each
Ex.2.2 (4): topic 8
A university database contains information about professors (identified by social security number or SSN) and courses (identified by courseid). Professors teach courses; each of the following situations concerns the Teaches relationship set. For each situation draw an ER diagram that describes it (assuming no further constraints hold).
4. Every professor teaches exactly one course (no more no less).
Attachments: