File size: 599 Bytes
4b43fb1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | select title from movies;
select distinct rating from movies;
select *
from movies
where rating is NULL;
select * from MovieTheaters
where Movie is NULL;
SELECT *
FROM MovieTheaters LEFT JOIN Movies
ON MovieTheaters.Movie = Movies.Code;
SELECT *
FROM Movies LEFT JOIN MovieTheaters
ON Movies.Code = MovieTheaters.Movie;
SELECT Movies.Title
FROM MovieTheaters RIGHT JOIN Movies
ON MovieTheaters.Movie = Movies.Code
WHERE MovieTheaters.Movie IS NULL;
SELECT Title FROM Movies
WHERE Code NOT IN
(
SELECT Movie FROM MovieTheaters
WHERE Movie IS NOT NULL
); |