SQLZOO more JOIN

链接：https://sqlzoo.net/wiki/More_JOIN_operations

1.

SELECT id, title
FROM movie
WHERE yr=1962

SELECT yr
FROM movie
WHERE title='Citizen Kane'

SELECT id,title,yr
FROM movie
WHERE title LIKE 'Star Trek%'

SELECT id
FROM actor
WHERE name='Glenn Close'

SELECT id
FROM movie
WHERE title='Casablanca'

SELECT actor.name
FROM actor
JOIN casting ON actor.id=casting.actorid
JOIN movie ON casting.movieid=movie.id
WHERE movie.title='Casablanca'

SELECT actor.name
FROM actor
JOIN casting ON actor.id=casting.actorid
JOIN movie ON casting.movieid=movie.id
WHERE movie.title='Alien'

SELECT movie.title
FROM movie
JOIN casting ON movie.id=casting.movieid
JOIN actor ON casting.actorid=actor.id
WHERE actor.name='Harrison Ford'

SELECT movie.title
FROM movie
JOIN casting ON movie.id=casting.movieid
JOIN actor ON casting.actorid=actor.id
WHERE actor.name='Harrison Ford' AND casting.ord!=1

SELECT movie.title, actor.name FROM movie JOIN casting ON movie.id=casting.movieidJOIN actor ON casting.actorid=actor.id
WHERE movie.yr=1962 AND casting.ord=1

SELECT movie.yr, COUNT(movie.title) FROMmovie JOIN casting ON movie.id=movieidJOIN actor   ON actorid=actor.id
WHERE actor.name='Rock Hudson'
GROUP BY yr
HAVING COUNT(title) > 2

SELECT movie.title, actor.name  FROMmovie JOIN casting ON movie.id=movieidJOIN actor   ON actorid=actor.id
WHERE movie.id IN (SELECT casting.movieid FROM casting JOIN actor ON casting.actorid=actor.idWHERE actor.name='Julie Andrews') AND casting.ord=1

SELECT actor.name FROMactor JOIN casting ON actor.id=casting.actorid
WHERE casting.ord=1
GROUP BY actor.name
HAVING COUNT(actor.id)>=15

SELECT movie.title, COUNT(casting.actorid) FROMmovie JOIN casting ON movie.id=casting.movieid
WHERE movie.yr=1978
GROUP BY movie.id, movie.title
ORDER BY COUNT(casting.actorid) DESC, movie.title

SELECT actor.name FROMactor JOIN casting ON actor.id=casting.actorid
WHERE casting.movieid IN (SELECT casting.movieid FROMcasting JOIN actor ON casting.actorid=actor.idWHERE actor.name='Art Garfunkel')
AND actor.name!='Art Garfunkel'
ORDER BY actor.name

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