Which SQL statement can be used to remove a specific record identified by its primary key?

Options

  • A. DELETE FROM students WHERE student_id = 101;
  • B. DELETE FROM students WHERE student_id IS NULL;
  • C. DROP TABLE students;
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. DELETE FROM students WHERE student_id = 101;

Detailed Explanation

  • DELETE with primary key condition: Removes the record matching the specified primary key.
  • Example: DELETE FROM students WHERE student_id = 101;
  • Because a primary key uniquely identifies a record, this statement targets that particular row.