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joins_lab.sql

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+USE sakila;
+
+-- 1.List the number of films per category.
+SELECT ca.name as category_name, COUNT(f.film_id)   FROM sakila.category AS ca
+JOIN film_category as c
+ON ca.category_id = c.category_id
+JOIN sakila.film AS f
+ON c.film_id = f.film_id
+GROUP BY ca.category_id;
+
+
+-- 2. Retrieve the store ID, city, and country for each store.
+SELECT s.store_id, c.city, co.country FROM sakila.store AS s
+JOIN sakila.address AS a
+ON a.address_id = s.address_id
+JOIN sakila.city AS c
+ON a.city_id = c.city_id
+JOIN sakila.country AS co
+ON c.country_id = co.country_id;
+
+-- 3. Calculate the total revenue generated by each store in dollars.
+
+
+SELECT s.store_id, SUM(p.amount) as Total_Revenue FROM sakila.payment AS p
+JOIN sakila.staff AS ft 
+ON p.staff_id = ft.staff_id
+JOIN sakila.store AS s
+ON ft.store_id = s.store_id
+GROUP BY s.store_id;
+
+
+
+
+
+