Peter Baevski

SELECT name, number_grade, ROUND(fraction_completed * 100) as percent_completed from student_grades ;SELECT name, number_grade,CASEWHEN number_grade>90 THEN "A"WHEN number_grade>80 THEN "B"WHEN num...

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3. Help me please!! Then you can use COUNT with GROUP BY to show the number of students with each of those grades.