คะแนนต่อกราฟ 100 ไบต์ ไม่จำเป็นต้องใช้ทุกตาราง
Score per 100 bytes graph.It is not neccessary to use all the tables.
 PostTypes:  Id [ number]  Name [ text] 
SELECT LENGTH(Body) AS "Bytes", 100.0 * SUM(Score) / (LENGTH(Body) * COUNT(*)) AS "Score per 100 Bytes" FROM Posts WHERE OwnerUserId = @UserId AND PostTypeId = 2 AND Score > 0 GROUP BY LENGTH(Body)