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sakila_queries.sql

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+USE sakila;
+
+-- 1.  Mostrar tablas disponibles
+SHOW TABLES;
+
+-- 2. Datos completos de actor, film y customer
+SELECT * FROM actor;
+SELECT * FROM film;
+SELECT * FROM customer;
+
+-- 3. Retrieve the following columns from their respective tables:
+-- 3.1 Títulos de todas las películas
+SELECT title 
+FROM film; 
+
+-- 3.2 Lista de idiomas
+SELECT name AS language 
+FROM language;
+
+-- 3.3 Nombres de los empleados
+SELECT first_name 
+FROM staff;
+
+-- 4. Años de lanzamiento únicos
+SELECT DISTINCT release_year 
+FROM film;
+
+-- 5. Counting records for database insights:
+-- 5.1 Numero de tiendas
+SELECT COUNT(DISTINCT store_id) AS number_of_stores 
+FROM store;
+
+-- 5.2 Número de empleados
+SELECT COUNT(DISTINCT staff_id) AS number_of_employees 
+FROM staff;
+
+-- 5.3 Películas disponibles y alquiladas
+SELECT COUNT(DISTINCT film_id) AS films_available 
+FROM film;
+
+SELECT COUNT(*) AS films_rented 
+FROM rental;
+
+-- 5.4 Apellidos distintos de actores
+SELECT COUNT(DISTINCT last_name) AS distinct_last_names 
+FROM actor;
+
+-- 6. Top 10 películas más largas
+SELECT title 
+FROM film
+ORDER BY length DESC
+LIMIT 10;
+
+-- 7. Use filtering tecniques
+-- 7.1 Actores llamados SCARLETT
+SELECT * FROM actor
+WHERE first_name = 'SCARLETT';
+
+-- 7.2 Películas con ARMAGEDDON en el título y más de 100 minutos
+SELECT title, length 
+FROM film
+WHERE title LIKE '%ARMAGEDDON%'
+AND length > 100;
+
+-- 7.3 Películas con contenido Behind the Scenes
+SELECT COUNT(*) AS behind_the_scenes 
+FROM film
+WHERE special_features LIKE '%Behind the Scenes%';