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gabidavila/ar_snippet_sql_2.sql

Created August 8, 2017 13:53
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ar_snippet_sql_2.sql
SELECT `boats`.*
FROM `boats`
INNER JOIN `boat_classifications`
ON `boat_classifications`.`boat_id` = `boats`.`id`
INNER JOIN `classifications`
ON `classifications`.`id` = `boat_classifications`.`classification_id`
GROUP BY `boats`.`id`
HAVING count(classifications.id) = 3
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