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tlkshadow/bad-example.sql

Last active April 24, 2017 07:42
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Bad example
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bad-example.sql
SELECT 
 a.id
 b.name,
 s.name,
 s.address,
 max(ap.price) as newest_price,
 wm.quantity
 #— ….
FROM article a 
JOIN brand b on a.brand_id = b.id
LEFT JOIN supplier s ON s.id = a.supplier_id
LEFT JOIN article_price ap ON ap.article_id = a.id 
GROUP BY a.id
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