Class: ActiveRecord::Migration
Migrations can manage the evolution of a schema used by several physical databases. It s a solution to the common problem of adding a field to make a new feature ...
http://api.rubyonrails.org/classes/ActiveRecord/Migration.html
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Ruby on Rails - Rails Migrations Cheatsheet - Dizzy
A brilliant plugin that makes changing your database schema even easier and ... Provides a block that enables you to alter columns on an existing table using ...
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Migrations
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Guide to Ruby on Rails Migrations
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Rails Framework Documentation
Official API of the framework. Provides an explanation of every class and functionality. ... vendor/rails/actionmailer/lib/action_mailer/base.rb. vendor/rails ...
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Using Ruby on Rails for Web Development on Mac OS X
Tutorial: text, code samples, screenshots, diagrams, tables, links. [Apple Developer Connection]
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Class: ActiveRecord::Base
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Dr Nic’s Magic Models
If you have a people table, you can ask for Person class without defining it! ... ActiveRecord models are allowed one connection to a database at a time, per ...
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Active Record -- Object-relation mapping put on rails
ar.rubyonrails.com. Installation ... The Active Record homepage is www.rubyonrails.com. ... the rubyonrails-talk (groups.google.com/group/rubyonrails-talk) ...
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Rails Framework Documentation
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Ruby on Rails/ActiveRecord/Migrations - Wikibooks, collection of open-content textbooks
< Ruby on Rails | ActiveRecord. Current revision (unreviewed) Jump to: navigation, search ... "http://en.wikibooks.org/wiki/Ruby_on_Rails/ActiveRecord/Migrations" ...
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