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A. What is the difference between correlated and non-correlated subqueries? B. What are the differences between procedures and functions? Q4. What's wrong in the following

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A. What is the difference between correlated and non-correlated subqueries? B. What are the differences between procedures and functions? Q4. What's wrong in the following Query SELECT student_ID, Student_name FROM students WHERE student_marks = (SELECT MAX(student_marks) FROM students GROUP BY subject_ID)

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