sql 排序 order by 排序倒序

1： order by a ,b

默认就是： order by a ASC ,b ASC

2: order by a , b DESC

默认就是： order by a ASC ,b DESC

3: order by a DESC, b DESC

默认就是： order by a DESC,b DESC

版权声明：本文为qq_39564710原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。

原文链接：https://blog.csdn.net/qq_39564710/article/details/116230806