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Eager Loading

#22 Eager Loading

Apr 23, 2007 | 4 minutes | Performance, Active Record
One way to improve performance is to cut down on the number of SQL queries. You can do this through eager loading. Learn all about it in this episode!
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There is a newer version of this episode, see the revised episode.

ruby 
Task.find(:all, :include => :projects)
Task.find(:all, :include => [:projects, :comments])
Task.find(:all, :include => [:projects, {:comments => :user}])