Hi Steve,

> My first thought was "Nice!! So they demo string and text. What are
> the differences between these two, and what other types are
> available?"

The types Active Record supports
are :primary_key, :string, :text, :integer, :float, :decimal, :datetime, 
:timestamp, :time, :date, :binary, :boolean.

(Source: http://guides.rails.info/migrations.html )

Also, on api.rubyonrails.org I found the following information pretty
quickly:

http://api.rubyonrails.org/classes/ActiveRecord/ConnectionAdapters/TableDefinition.html

Generally speaking, you usually find all you need in the Rails guides
and the API documentation. Now I wish there was some usable way of
finding answers to questions where you *don't* know which part of
Rails is doing the magic. I'd love to have some documentation based on
the *topic*, like this here: http://www.php.net/manual/en/funcref.php

Newbies (like myself!) also tend to be confused at times when trying
to find out whether our question is a Ruby or a Rails question.
Thankfully the Rails community is pretty friendly. :-)
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