mysql 获得最新的数据并且去除重复

商品表 product

字段 id、 product_code、product_name、create_date

 

select * from (select *,product_code as code from product order by create_date desc) t group by code;

 

只限于mysql数据库

转载于:https://www.cnblogs.com/wrhming/p/6114972.html