SQL Query fields as columns

Question

I dont really know how to put this but please kindly check the details below.

Student

|Student_ID|Student_Name|
|1         |Ryan             


        

Answer 1

Try,

SELECT  a.Student_name,
        MAX(CASE WHEN subject = 'MATH' THEN grade ELSE NULL END) MathGrade,
        MAX(CASE WHEN subject = 'ENGLISH' THEN grade ELSE NULL END) EnglishGrade,
        MAX(CASE WHEN subject = 'History' THEN grade ELSE NULL END) HistoryGrade
FROM    Student a
        LEFT JOIN Grade b
            ON a.Student_ID = b.Student_ID
GROUP BY a.Student_name

SQLFiddle Demo