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Old September 23rd, 2013, 01:24 PM
csprung csprung is offline
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Grouping by titles that are the same with the same (and then different) composers

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I have two database tables,

PIECE (PNo, CNo, Title, Tune, Opus)

and

COMPOSER (CNO, LAST, FIRST, BORN, DIED)

are the ones I'm using for this query.

I need to Select Titles that are the same and with the same Composer. I need to list the titles and the number of versions of each. The next question requires the same listing if the Composers are different.

I tried:

SELECT TITLE, COUNT(*)
FROM PIECE, COMPOSER
WHERE PIECE.CNo = COMPOSER.CNo
GROUP BY TITLE
HAVING COUNT(*) > 1
ORDER BY COUNT(*);

Something is wrong with that query though. I am using SQLPLUS. Any help is appreciated.

The query for the question before it was to answer this: "Different music pieces (with different PNo) may have the exact same title, list the titles of these music pieces. List these music titles, along with the number of versions (of music pieces) there are sharing the same title."

I used:

SELECT TITLE, COUNT(*)
FROM PIECE
GROUP BY TITLE
HAVING COUNT(*) > 1
ORDER BY COUNT(*);

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