关于MySQL中时间格式和取零点的问题时间:2023-03-09 03:13:09 select * from order where create_time>'2016-05-21 00:00:00'; 不包含2016-05-21 00:00:00时的订单 select * from order where create_time>'2016-05-21'; 包含2016-05-21 00:00:00时的订单 等价于 select * from order where create_time>='2016-05-21 00:00:00';