text: use student;
  
  create table employee(sname varchar(20), roll int, dept varchar(30));
  
  # insert statement
  insert into employee values('Veda', 08, 'CSE');
  insert into employee values('Shivi', 07, 'CSE');
  insert into employee values('Sharan', 06, 'CSE');
  insert into employee values('Kamal', 05, 'CSE');
  
  select * from employee;
  
  alter table employee add(languages varchar(10), grade varchar(3));
  
  desc employee;
  
  update employee set dept='CSE';
  
  # select statement
  select * from employee;
  
  # delete statement
  delete from employee where roll=8;
  
  select * from employee;
  
  # truncate statement
  truncate table employee;
  
  select * from employee;
  