我不知道这可能是什么问题:
请帮我 :/
SELECT
Name, CourseID, CourseName, MeetingDays, MeetingTime, ProfID
FROM
Course, CourseSection, Student
WHERE
Course.CourseID = CourseSection.CourseID
ORDER BY
Name, CourseName
列名CourseID
存在于两个表中。 因此,要正确使用,请使用<tablename>.CourseID
:
SELECT Name, Course.CourseID, CourseName, MeetingDays, MeetingTime, ProfID
FROM Course, CourseSection, Student
WHERE Course.CourseID = CourseSection.CourseID
ORDER BY Name, CourseName