Computer Science · Database Management Systems
Which of the following statements is correct about the given SQL query? SELECT CourseName, Fees, StartDate, Duration FROM Students, Courses WHERE Students.CourseID = Courses.CourseID GROUP BY BookID
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is an invalid query because non-aggregated columns in the SELECT clause are not included in the GROUP BY clause.✓
- 2It is an invalid query because the JOIN condition must use the ON clause.
- 3It is an invalid query as multiple tables cannot be referenced in the FROM clause without an explicit JOIN keyword.
- 4It is a correctly formed query.
Correct answer
It is an invalid query because non-aggregated columns in the SELECT clause are not included in the GROUP BY clause.
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