Getting Started With ActiveRecord Migrations Posted by Jamis on September 26, 2005 @ 08:13 PM Migrations have got to be one of the coolest aspects of ActiveRecord. They allow you to incrementally evolve your database schema, as you build your application. Bit by bit, you define the tables as you need them, add or remove columns, insert data, and so forth, preserving and migrating your data as you
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