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Update #12: Busy years for John Travolta #24

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Update #12: Busy years for John Travolta #24

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14 changes: 4 additions & 10 deletions more-join.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -101,17 +101,11 @@ WHERE ord=1 AND yr = 1962
/*
Which were the busiest years for 'John Travolta', show the year and the number of movies he made each year for any year in which he made more than 2 movies.
*/
SELECT yr,COUNT(title) FROM
movie JOIN casting ON movie.id=movieid
JOIN actor ON actorid=actor.id
WHERE name='John Travolta'
SELECT yr, COUNT(yr) as each_year FROM movie as m
JOIN casting as ct ON ct.movieid = m.id
WHERE ct.actorid = (SELECT id FROM actor WHERE name = 'John Travolta')
GROUP BY yr
HAVING COUNT(title)=(SELECT MAX(c) FROM
(SELECT yr,COUNT(title) AS c FROM
movie JOIN casting ON movie.id=movieid
JOIN actor ON actorid=actor.id
WHERE name='John Travolta'
GROUP BY yr) AS t)
HAVING each_year > 2

--#13
/*
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