Archiveopteryx (aox.org) handles database versioning in a very clean way. You can actually upgrade and downgrade your application and everything required to cha

Archiveopteryx (aox.org) handles database versioning in a very clean way. You can actually upgrade and downgrade your application and everything required to change your schema and dataset is contained within Postgres. http://archiveopteryx.org/aox/upgradeschema http://archiveopteryx.org/aox/upgradeschema