编辑代码

create table student(
    id int,
    name varchar(10),
    sex char(1),
    age int,
    dtdate date,
    classname varchar(10),
    email varchar(20)
)

alter table student add sro int;
alter table student add sro1 int first;
alter table student add sro2 int after id;
alter table student change sro sss int ;
alter table student drop sro1;

insert into student values(1,3"姚""男",22,"2021-9-1","计科2105","2895872919@qq.com",77);