ocr: Professor Section Course Professor ID Section ID course ID Course ID(FK) Credit Quantity Protessor ID (FK) Day Time Duration Degree Level Degree Level Name Course Degree Protessor pegree Course ID (FK) Professor ID (FK) Degree Level Name (FK) Degree Subject Name(FK) Degree Subject Name (FK) Degree Level Name (FK) Degree Subject Degree Subject Name FIGURE 1. Candidate IDEF1X data model for the use case.