1、要求

2、示例:
1)创建表
mysql> create table student2(
id int,
name varchar(50),
born_year year,
birthday date,
class_time time,
reg_time datetime
);
2)插入数据
mysql> desc student2;
mysql> insert into student2 values(1,'tom',now(),now(),now(),now());
mysql> insert into student2 values(2,'jack',1982,19821120,123000,20140415162545);















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