แท็กที่ใช้ร่วมกัน นี่อาจให้ข้อมูลเชิงลึกที่น่าสนใจเกี่ยวกับประเภทของโพสต์บนไซต์..ไม่จำเป็นต้องใช้ตารางทั้งหมด
Tags that are used together. This might give some interesting insight in the types of posts on a site..It is not neccessary to use all the tables.
 Comments:  Id [ number]  PostId [ number]  Score [ number]  Text [ text]  CreationDate [ time]  UserDisplayName [ text]  UserId [ number]  ContentLicense [ text] 
SELECT t1.TagName AS "tag_link", t2.TagName AS "tag_link", COUNT(pt1.PostId) AS "post_count" FROM PostTags AS pt1 JOIN PostTags AS pt2 ON pt1.PostId = pt2.PostId JOIN Tags AS t1 ON t1.Id = pt1.TagId JOIN Tags AS t2 ON t2.Id = pt2.TagId GROUP BY t1.TagName, t2.TagName ORDER BY COUNT(pt1.PostId) DESC LIMIT 1000