日期和时间戳类型
CREATE TABLE all_datetime_types(
c_date date,
c_timestamp timestamp
);
最小和最大数据值:
insert into all_datetime_types values ('0001-01-01','0001-01-01 00:00:00.000000001');
insert into all_datetime_types values ('9999-12-31','9999-12-31 23:59:59.999999999');