题解 | #返回2020年1月的所有订单的订单号和订单日期#
返回 2020 年 1 月的所有订单的订单号和订单日期
https://www.nowcoder.com/practice/c7734db33854477aa94ae238a3390435
select order_num,order_date from Orders where substring(order_date,1,7)='2020-01' order by order_date select order_num,order_date from Orders where order_date like '2020-01%' order by order_date