text: 'use strict';
  module.exports = function(sequelize, DataTypes) {
      var Ownership = sequelize.define('Ownership', {
          ownerId: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
          authorId: { type: DataTypes.INTEGER, compoundKey: true },
          bookId: { type: DataTypes.INTEGER, compoundKey: true }
      });
  
      return Ownership;
  };