mysql查询某一天下单的订单量

如图:

参考DATE_FORMAT函数用法:

https://blog.csdn.net/qq_44945923/article/details/108578543?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.channel_param&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.channel_param

 

原文地址:https://www.cnblogs.com/xiamaojjie/p/13994710.html