create  table student (
s_id int not null,
s_name varchar(20),
s_age int ,
s_class int ,
s_ fee int,
_gender varchar(20),
primary key (s_id)
);

insert into student values (1,'mani',25,10,1000,'male');
insert into student values(2,'naga',24,9,20000,'male');
insert into student values (3,'kanta',23,10,15000,'male');


select s_name from student ;
select s_id from student ;