SELECT only latest record of an ID from given rows

Question

I have this table shown below...How do I select only the latest data of the id based on changeno?

+----+--------------+------------+--------+
| id |  data   | ch         


        

Answer 1

Not a well formed or performance optimized query but for small tasks it works fine.

SELECT * FROM TEST WHERE changeno IN (SELECT MAX(changeno) FROM TEST GROUP BY id)