Use software tools

Design complete Entity Relationship Diagram (ERD) for the following Scenario Some of the relationships are given below. Specify Assumptions (if any) 1. a professor teaches zero, one or many classes and a class is taught by one professor 2. a course may generate zero, one or many classes and a class comes from one course 3. a class is held in one room but a room has many classes Possible Entities - Professor, Student, Class Room, Course Note: Draw a complete ERD with all the relevant attributes, Primary / Unique Keys & Foreign Keys Relationships with Optionality and Cardinality Use software tool to draw the ERD