2016-12-19 2 views

Antwort

0

dies versuchen;

SELECT t.title, 
     (SELECT AVG(star_rating) 
     FROM reviews r 
     WHERE r.id = t.id) AS rating 
FROM table_1 t 
WHERE (SELECT AVG(star_rating) 
     FROM reviews r 
     WHERE r.id = t.id) >= 4 
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