class CreateAnnomarks < ActiveRecord::Migration[6.1]
  def change
    create_table :annomarks do |t|
      t.string  :name, null: false, default: ""
      t.string  :code, null: false, default: ""
      t.integer :rank, null: false, default: 0

      t.timestamps
    end

    add_index :annomarks, %i[name code], unique: true
  end
end