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,SELECT COUNT(*) FROM film
WHERE length >
(
SELECT AVG(length) FROM film
);
2) film tablosunda en yüksek rental_rate değerine sahip kaç tane film vardır?
SELECT COUNT(*) FROM film
WHERE rental_rate =
(
SELECT MAX(rental_rate) FROM film
)
3) film tablosunda en düşük rental_rate ve en düşük replacement_cost değerlerine sahip filmleri sıralayınız.
SELECT COUNT(*) FROM film
WHERE rental_rate =
(
SELECT MIN(rental_rate) FROM film
)
AND
replacement_cost =
(
SELECT MIN(replacement_cost) FROM film
);
4) payment tablosunda en fazla sayıda alışveriş yapan müşterileri(customer) sıralayınız.
SELECT CONCAT(customer.first_name, ' ', customer.last_name) AS "Customer Name", COUNT(*)
FROM payment
INNER JOIN customer ON payment.customer_id = customer.customer_id
GROUP BY customer.first_name, customer.last_name
ORDER BY count DESC;
|
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