Question
a.
SELECT DISTINCT course id
FROM SECTION
WHERE semester = ’Fall’ AND YEAR= 2009 AND
course id NOT IN (SELECT course id
FROM SECTION
WHERE semester = ’Spring’ AND YEAR= 2010);
b.
SELECT DISTINCT course_id
FROM instructor
WHERE name NOT IN (’Fall’, ’Spring’);
c.
(SELECT course id
FROM SECTION
WHERE semester = ’Spring’ AND YEAR= 2010)
d.
SELECT COUNT (DISTINCT ID)
FROM takes
WHERE (course id, sec id, semester, YEAR) IN (SELECT course id, sec id, semester, YEAR
FROM teaches
WHERE teaches.ID= 10101);
Posted under DBMS
FROM SECTION
WHERE semester = ’Fall’ AND YEAR= 2009 AND
course id NOT IN (SELECT course id
FROM SECTION
WHERE semester = ’Spring’ AND YEAR= 2010);
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Q. Which of the following should be used to find all the courses taught in the Fall 2009 semester but not in the Spring 2010 semester .
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