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MockSQL_Complete_RN32_2025 #54

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e22d775
Mock SQL question 1 'Top Travellers' solved
Feminto May 25, 2025
045adf4
MockSQL Q1: 'Top Travellers'
Feminto May 25, 2025
0ade067
MockSQL Q2: 'Apples & Oranges'
Feminto May 25, 2025
5e374fc
S30 FAANMG Problem #12
Feminto May 25, 2025
e2444ea
MockSQL Q2: 'Apples & Oranges'
Feminto May 25, 2025
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8 changes: 8 additions & 0 deletions S30 FAANMG Problem #11
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Original file line number Diff line number Diff line change
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--MockSQL - S30 FAANMG Problem #11 - Top Travellers
SELECT u.name,
IFNULL(SUM(r.distance),0) AS travelled_distance
FROM users u
LEFT JOIN rides r
on u.id = r.user_id
GROUP BY u.id
ORDER BY SUM(r.distance) DESC, u.name;
5 changes: 5 additions & 0 deletions S30 FAANMG Problem #12
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@@ -0,0 +1,5 @@
--MockSQL - S30 FAANMG Problem #12 - Apples & Oranges
SELECT sale_date,
SUM(CASE fruit WHEN 'apples' THEN sold_num ELSE 0 END) - SUM(CASE fruit WHEN 'oranges' THEN sold_num ELSE 0 END) AS diff
FROM sales
GROUP BY 1;