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
# #INNER JOIN 写法 # select a.cust_name, # b.order_num # from Customers a # inner join Orders b # on a.cust_id = b.cust_id # order by a.cust_name asc; #简单的等联结语法 select a.cust_name, b.order_num from Customers a,Orders b where a.cust_id = b.cust_id order by a.cust_name asc;#SQL练习#
