SELECT Count(*) FROM Tags WHERE Tags.Count >500;.ไม่จำเป็นต้องใช้ตารางทั้งหมด
SELECT Count(*) FROM Tags WHERE Tags.Count >500;.It is not neccessary to use all the tables.
 Tags:  Id [ number]  TagName [ text]  Count [ number]  ExcerptPostId [ number]  WikiPostId [ number] 
SELECT COUNT(*) FROM Tags WHERE Tags.Count > 5000