Which of the following results from the SQL query below is correct?
A. Obtain the unique course ids (CID) for each student who receives a C in the course.
B. Obtain the course ids (CID) for each course in which a student receives a C.
C. Mistake
D. none of the preceding
Answer:B
Which of the following results from the SQL query below is correct?
A. Obtain the unique course ids (CID) for each student who receives a C in the course. B. Obtain the course ids (CID) for each course in which a student receives a C. C. Mistake D. none of the preceding
Explanation: Find the course ids (CID) where the student received a C in the course.