text: 
  exports.up = function(knex, Promise) {
      return knex.schema.createTable('school_year', table => {
          table.increments('id').primary()
          table.string('name').notNullable()
          table.integer('year').notNullable()
      })
  };
  
  exports.down = function(knex, Promise) {
      return knex.schema.dropTable('school_year')
  };
  