发布于 2016-03-04 14:12:43
您可以在木琴上看到示例
select an.name as Artist, tn.name as Song from artist_name an
inner join artist a ON a.id = an.id
inner join r_artist_track rat ON a.id = rat.entity0
inner join track t ON t.id = entity1
inner join track_name tn ON tn.id = t.id;您需要4个联接,我在这张图片上显示了原因:

https://stackoverflow.com/questions/35795931
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