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ActiveRecord: Data MigrationsRuby864EditMigrate data schemas between different formats, including some schema versioning.
Migrate and update data alongside your database structure.https://github.com/ilyakatz/data-migrate
Separate schema-only migrations from nondestrucitve (data) migrations in your Rails apphttps://github.com/jasonfb/nondestructive_migrations
Adds migrations-like ability to seed data with versions, up and down http://www.portablemind.com
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