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
https://www.nowcoder.com/practice/7e7bc361db6a4cb6aa35eefccfe75364
方法1：等连接
SELECT cust_name,order_num
from Customers c,Orders v
where c.cust_id=v.cust_id
order by cust_name,order_num
方法2：内连接
SELECT cust_name,order_num
from Customers c join Orders v
on c.cust_id=v.cust_id
order by cust_name,order_num
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