Sales of Genres in Cities
Tâche
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Which genre gives the biggest income in each city? To solve it:
- Calculate the total sales for each genre in each city: group records by city and genre.
- Order the records by city lexicographically and then by total sales, starting with most selling genre.
Output data under columns city
, genre
, and sales
.
Solution
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Merci pour vos commentaires !
Section 2. Chapitre 6
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Sales of Genres in Cities
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Tâche
Swipe to start coding
Which genre gives the biggest income in each city? To solve it:
- Calculate the total sales for each genre in each city: group records by city and genre.
- Order the records by city lexicographically and then by total sales, starting with most selling genre.
Output data under columns city
, genre
, and sales
.
Solution
Tout était clair ?
Merci pour vos commentaires !
Awesome!
Completion rate improved to 4.55Section 2. Chapitre 6
single