Active Record Associations in Rails

100-minute Ruby Course

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About this Course

Most of your Rails models are going to be connected to other models in some way. An Author has many Articles, and each Article belongs to an Author. A Doctor has many Patients, and a Patient may have many Doctors as well. Rails uses associations to make it easy to track these relationships in your database.

What you'll learn

  • has_many
  • belongs_to
  • has_one
  • has_and_belongs_to_many
  • has_many :through

Teacher

  • Jay McGavren

    Resident Ruby and Go teacher for Treehouse. Author of Head First Ruby, a tutorial book on the core Ruby language.

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