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Marco labsubqueries #13

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@bripollc
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bripollc commented Nov 7, 2023

Marcooooo:) Que gusto de lab!!!! 10/10. Caaaasi todo es correcto, las queries no mienten! Veo que le has pillado el truco a SLQ y a las subqueries 🚀 Felicidadesssssss.

  • 7 - Te pide las películas, no los id's de las películas:) Pequeño despiste de lectura! Solo cambiando el primer SELECT film_id por SELECT title lo tienes!!!!!!! ✨

  • 8 - Buen planteamiento!!! Pero no estás filtrando correctamente los customers por los que superan el average y estás devolviendo todos. Te dejo una opción para conseguir el resultado final.

SELECT customer_id, SUM(amount) as total_amount_spent FROM payment
	GROUP BY customer_id
    HAVING total_amount_spent > (SELECT AVG(total_amount_spent) FROM
		(SELECT customer_id, SUM(amount) as total_amount_spent FROM payment GROUP BY customer_id) AS amount)
	ORDER BY total_amount_spent DESC;

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3 participants