FC0-U71 Data and Database Fundamentals Practice Question
A university database includes tables: 'Professors' (ProfessorID, Name, Department) and 'Courses' (CourseID, Title, ProfessorID). Which THREE statements about this design are correct?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The primary key of Professors is ProfessorID.
ProfessorID in Courses is a foreign key; many courses can have the same professor (one-to-many); the primary key of Professors is ProfessorID.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The primary key of Professors is CourseID.
Why it's wrong here
Primary key of Professors is ProfessorID, not CourseID.
- ✓
The primary key of Professors is ProfessorID.
Why this is correct
ProfessorID uniquely identifies each professor.
- ✗
The relationship between Professors and Courses is many-to-many.
Why it's wrong here
It is one-to-many because one professor can teach many courses, but a course has one professor.
- ✓
ProfessorID in Courses is a foreign key referencing Professors.
Why this is correct
Yes, it references the primary key of Professors.
- ✓
A professor can be associated with multiple courses.
Why this is correct
Yes, one-to-many relationship allows a professor to teach multiple courses.
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