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Completed Mock_SQL #60

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Completed Mock_SQL #60

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5 changes: 5 additions & 0 deletions 1.sql
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Original file line number Diff line number Diff line change
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SELECT name, IFNULL(SUM(distance), 0) AS travelled_distance
FROM Users
LEFT JOIN Rides ON Rides.user_id = Users.id
GROUP BY Users.id
ORDER BY travelled_distance DESC, name
5 changes: 5 additions & 0 deletions 2.sql
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SELECT a.sale_date, a.sold_num - o.sold_num AS diff
FROM Sales a, Sales o
WHERE a.sale_date = o.sale_date AND a.fruit = 'apples' AND o.fruit = 'oranges'
GROUP BY a.sale_date
ORDER BY a.sale_date