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
#where查询 select cust_name,order_num from Customers,Orders where Customers.cust_id=Orders.cust_id order by cust_name; #自然连接 select cust_name,order_num from Customers natural join Orders order by cust_name #内连接 select cust_name,order_num from Customers inner join Orders on Customers.cust_id=Orders.cust_id order by cust_name #左连接 select cust_name,order_num from Customers left join Orders on Customers.cust_id=Orders.cust_id order by cust_name
