On Thu, May 24, 2007 at 12:29:58AM +0900, Dennis Crissman wrote:
> I am confused, can somebody please explain to me the difference between
> these two calls?
> 
> I tried some variations below, and the only one that worked was the
> obsolete require_gem call.
> 
require 'active_record'

The developers of ActiveRecord made the (IMO unfortunate) choice of
having the name of the file (active_record.rb) be different from the
name of the gem (activerecord).