การกล่าวถึง c4.8xlarge ตั้งแต่ปี 2559 ไม่จำเป็นต้องใช้ตารางทั้งหมด
Mentions of c4.8xlarge since 2016.It is not neccessary to use all the tables.
 PostHistoryTypes:  Id [ number]  Name [ text] 
SELECT Posts.OwnerUserId AS "user_link", COUNT(Posts.OwnerUserId) AS mentions FROM Posts WHERE Posts.CreationDate > '20160601 00:00:00' AND Posts.Body LIKE '%c4.8xlarge%' GROUP BY Posts.OwnerUserId ORDER BY mentions DESC