ALTER TABLE Films
ADD DVDPrice DECIMAL(12,1);

UPDATE Films
SET DVDPrice = 12.99
WHERE FilmId = 2;

UPDATE Films
SET DVDPrice = 9.99
WHERE FilmId = 4;

UPDATE Films
SET DVDPrice = 15.99
WHERE FilmId = 6;

UPDATE Films
SET DVDPrice = 12.99
WHERE FilmId = 7;

UPDATE Films
SET DVDPrice = 2.99
WHERE FilmId = 8;

UPDATE Films
SET DVDPrice = 8.95
WHERE FilmId = 9;

UPDATE Films
SET DVDPrice = 12.99
WHERE FilmId = 11;

UPDATE Films
SET DVDPrice = 9.99
WHERE FilmId = 12;

UPDATE Films
SET DVDPrice = 12.99
WHERE FilmId = 15;

UPDATE Films
SET DVDPrice = 8.95
WHERE FilmId = 13;