source:
music/views/tracks_count_per_genre.sql
| Last change on this file was d7662b5, checked in by , 3 weeks ago | |
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| File size: 167 bytes | |
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| 1 | CREATE VIEW track_count_per_genre AS |
| 2 | SELECT g.name as Genre, count(t.track_id) as num_tracks |
| 3 | FROM genre g |
| 4 | LEFT JOIN track t on g.genre_id = t.genre_id |
| 5 | GROUP BY g.name |
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