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Jul 31st, 2017
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  1. require 'rubygems'
  2. require 'active_record'
  3.  
  4. ActiveRecord::Base.establish_connection(
  5. :adapter => "mysql",
  6. :host => "localhost",
  7. :database => "listtest",
  8. :username => "root",
  9. :password => "mypassword"
  10. )
  11.  
  12. class Parent < ActiveRecord::Base
  13. has_many :children
  14. end
  15.  
  16. class CreateParents < ActiveRecord::Migration
  17. def self.up
  18. create_table :parents do |t|
  19. end
  20. end
  21.  
  22. def self.down
  23. drop_table :parents
  24. end
  25. end
  26.  
  27.  
  28. CreateParents.up
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