Database versioning

Question

I have made few projects (CMS and EC system) that required to have some data versioned.

Usually I come with that kind of schema

+--------------+
+          


        

Answer 1

If you had used Oracle you could use analytic functions

select * from ( SELECT a.* , row_number() over (partition by foobar_id order by version desc) rn FROM foobar a WHERE foobar_id = 2 ) where rn = 1