- Dec 10, 2012 — [Migrating from a relational to a NoSQL cloud database?](/2012/12/10/migrating-from-a-relational-to-a-nosql-cloud-database.html)

- Feb 11, 2011 — [DataMapper: promoting columns into classes](/2011/02/11/datamapper-promoting-columns-into-classes.html)

I recently had to deal with reading a schema in a MySQL database in Ruby and migrating data to MongoDB. It has been made real easy with DataMapper (note: datamapper.org is no lo...