-- create a table
CREATE TABLE Student_Course (
  Course_ID INTEGER,
  Roll_No PRIMARY KEY
);

-- insert some values
INSERT INTO Student_Course VALUES ('1', '1');
INSERT INTO Student_Course VALUES ('2', '2');
INSERT INTO Student_Course VALUES ('2', '3');
INSERT INTO Student_Course VALUES ('3', '4');
INSERT INTO Student_Course VALUES ('1', '5');
INSERT INTO Student_Course VALUES ('4', '9');
INSERT INTO Student_Course VALUES ('5', '10');
INSERT INTO Student_Course VALUES ('4', '11');

-- fetch some values
SELECT * FROM Student_Course;