create table student(sid int(20),sname char(30),age int(4),gpa int(3)); insert into student values(420,"ganesh",20,4); insert into student values(421,"dinesh",21,5); insert into student values(422,"charan",20,6); select*from student; update student set gpa=gpa+2,age=age-1 where sid=421; select*from student; delete from student where gpa<=4; select*from student; drop table student; select*form student;