题解 | #返回顾客名称和相关订单号#
返回顾客名称和相关订单号
http://www.nowcoder.com/practice/7e7bc361db6a4cb6aa35eefccfe75364
方法一
就是使用 where 进行简单的联结
select cust_name,order_num
from Customers,Orders
where Customers.cust_id=Orders.cust_id
order by cust_name,order_num;
方法二
使用内联结
select cust_name,order_num
from Customers
INNER JOIN Orders ON Orders.cust_id=Customers.cust_id
order by cust_name,order_num;
