/* Foreign Key*/
create Table  student1(Name varchar(255),RollNo varchar(255),Marks int);
insert into student1(Name, RollNo ,Marks)values("Ram",1,42);
insert into student1(Name, RollNo ,Marks)values("John",2,43);
insert into student1(Name, RollNo ,Marks)values("Neha",3,45);
select * from student1;