Unicode Support in Ruby on Rails with MySQL

I have found two links that might be useful for ruby on rails developers that need to develops with unicode characters. Have a look on:

http://woss.name/2006/10/25/migrating-your-rails-application-to-unicode/
http://www.gaugeus.com/ramblings/2006/11/15/unicode-support-in-ruby-on-rails-with-mysql-and-microsoft-sql-server