class CreateSubjectRecords < ActiveRecord::Migration[5.2] def change create_table :subject_records do |t| t.references :subject t.integer :study_count, default: 0 t.integer :course_study_count, default: 0 t.integer :initiative_study, default: 0 t.integer :passed_count, default: 0 t.integer :course_used_count, default: 0 t.integer :school_used_count, default: 0 t.timestamps end end end