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18 lines
364 B
18 lines
364 B
class DropProfessors < ActiveRecord::Migration
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def self.up
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drop_table :professors
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drop_table :courses_professors
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end
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def self.down
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create_table :professors do |t|
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t.column :name, :string, :null => false
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end
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create_table :courses_professors, :id => false do |t|
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t.column :professor_id, :integer
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t.column :course_id, :integer
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end
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end
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end
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