数据库SQL语法，什么是错的这个SQL代码

Question

SELECT customer.first_name, 
     customer.last_name, 
     orders.order_number 
FROM customer 
    FULL OUTER JOIN orders ON customer.id = orders.customerid 
ORDER BY customer.last_name; 

Answer 1

SELECT customer.first_name，customer.last_name，orders.order_number从客户 全外连接由customer.last_name customer.id = orders.customerid订购订单;

在这个查询中没有错只是检查你的列名