text: 
  exports.up = function (knex) {
      return knex.schema.createTable('physicians', function (table) {
          table.increments('id').primary()
          table.string('name').notNullable()
          table.string('crm').notNullable()
          table.string('cpf', 11).notNullable()
          table.boolean('status').notNullable().defaultTo(true)
      })
  }
  
  exports.down = function (knex) {
      return knex.schema.dropTable('physicians')
  }
  