更新时间:2022-11-22 12:54:47
默认值应为NOT NULL以便支持所有日期时间操作. 我还使用"0000-00-00 00:00:00"作为默认值.
a default value should be NOT NULL inorder to support all date time operations. i also uses "0000-00-00 00:00:00" as default value.
***在MySQL中使用零日期'0000-00-00 00:00:00'或NULL?
日期在MySQL中插入为0000-00-00 00:00:00