ตัวอย่างแบบสุ่ม - data.world ไม่จำเป็นต้องใช้ตารางทั้งหมด
Random sample - data.world.It is not neccessary to use all the tables.
 Votes:  Id [ number]  PostId [ number]  VoteTypeId [ number]  UserId [ number]  CreationDate [ time]  BountyAmount [ number] 
SELECT * FROM Posts INNER JOIN Users ON Posts.OwnerUserId = Users.Id WHERE (ABS(CAST((BINARY_CHECKSUM(*) * RAND()) AS INT)) % 100) < 1 AND Posts.AnswerCount != 0 ORDER BY Posts.Id DESC LIMIT 50000