diff --git a/W1_Apples_Oranges.sql b/W1_Apples_Oranges.sql new file mode 100644 index 0000000..7ff1054 --- /dev/null +++ b/W1_Apples_Oranges.sql @@ -0,0 +1,5 @@ +SELECT s1.sale_date, (IFNULL(s1.sold_num, 0) - IFNULL(s2.sold_num, 0)) AS 'diff' +FROM sales s1, sales s2 +WHERE s1.sale_date = s2.sale_date AND s1.fruit = 'apples' +AND s2.fruit = 'oranges' +ORDER BY s1.sale_date \ No newline at end of file diff --git a/W1_Top_Travellers.sql b/W1_Top_Travellers.sql new file mode 100644 index 0000000..5923444 --- /dev/null +++ b/W1_Top_Travellers.sql @@ -0,0 +1,6 @@ +# Write your MySQL query statement below +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 r.user_id +ORDER BY travelled_distance DESC, u.name \ No newline at end of file