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Re: Query optimize on large database
Posted by: Rick James
Date: July 20, 2016 09:29AM

SELECT d2.Artist, d2.Title, COUNT(*)
FROM data d1
JOIN data d2 USING(Artist,Title)
WHERE d1.owner_id = @user_id
GROUP BY d2.Artist, d2.Title

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Re: Query optimize on large database
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July 20, 2016 09:29AM


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