新手求助!查询语句
表A里有字段 id(自增),order_id(订单id),goods_sn(产品编码),其他字段... 查询产品编码出现最多的前10个产品的语句怎么写呀?菜鸟求助
[解决办法]
SELECT *, count(goods_sn) as counter FROM table group by goods_sn order by goods_sn desc
[解决办法]
SELECT COUNT(*) AS CT FROM A ORDER BY id DESC GROUP BY goods_sn;
试看看
[解决办法]
SELECT count(*) as counter FROM table group by goods_sn order by goods_sn desc limit 10