text: INSERT INTO customers (`first_name`, `surname`)
  VALUES ('jordan', 'harrison');
  
  INSERT INTO `customers` (`first_name`, `surname`)
  VALUES ('bob', 'bobson');
  
  INSERT INTO `item` (`name`, `price`)
  VALUES ('test_item', 22.22);
  
  INSERT INTO `item` (`name`, `price`)
  VALUES ('item', 22.26);
  
  INSERT INTO `order` (`custid`)
  values (1);
  
  INSERT INTO `order_link` (`orderid`, itemid, quantity)
  values (1, 1, 1);