SQL Sub query doubt
i'm a bit stuck and would appreciate the help..... i'm sure i need to use a sub query but when i try i m getting errors saying returning more than one row....
So this is the code
SELECT to_char(p.releasedate, 'YYYY') AS releaseyear , t.genre
, COUNT(*) AS "Number of awards"
FROM dbf11.film p
JOIN dbf11.genre t开发者_JS百科
ON p.filmID = t.filmID
GROUP BY p.releasedate, t.genre
ORDER BY p.releasedate, t.genre ;
What i'm trying to do is.... for each year display the no. of films for each genre
What i'm currently getting is
2010 Action 1
2010 Comedy 1
2010 Comedy 1
2011 Action 1
2011 Action 1
2011 Action 1
What i want it to display is
2010 Action 1
2010 Comedy 2
2011 Action 3
SELECT to_char(p.releasedate, 'YYYY') AS releaseyear,
t.genre.
COUNT(*) AS "Number of awards"
FROM dbf11.film p
INNER JOIN dbf11.genre t ON p.filmID = t.filmID
GROUP BY to_char(p.releasedate, 'YYYY'), t.genre
HAVING COUNT(*) > 1
ORDER BY to_char(p.releasedate, 'YYYY'), t.genre;
Try this
SELECT to_char(p.releasedate, 'YYYY') AS releaseyear , t.genre
, COUNT(*) AS "Number of awards"
FROM dbf11.film p
JOIN dbf11.genre t
ON p.filmID = t.filmID
GROUP BY to_char(p.releasedate, 'YYYY'), t.genre
ORDER BY releaseyear, t.genre
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