關於MySQL中時間格式和取零點的問題

select * from order where create_time>'2016-05-21 00:00:00'; 不包含2016-05-21 00:00:00時的訂單

 

select * from order where create_time>'2016-05-21'; 包含2016-05-21 00:00:00時的訂單

等價於

select * from order where create_time>='2016-05-21 00:00:00';