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solved_lab1.sql

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+-- 1. Configuración del entorno
+-- Seleccionamos la base de datos sakila para que las consultas se ejecuten sobre ella
+-- Ejecuta esta línea primero para activar el esquema de trabajo
+USE sakila;
+
+-- 2. Tarea 1: Mostrar todas las tablas disponibles en la base de datos
+-- Este comando lista tanto las tablas base como las vistas (views)
+SHOW TABLES;
+-- 4. Ver los primeros registros de la tabla de películas
+-- Permite verificar que la base de datos contiene información válida
+
+SELECT * FROM film LIMIT 5;
+
+SELECT * FROM actor, film, customer;
+	SELECT title FROM film; 
+	SELECT name AS language FROM language;
+	SELECT first_name FROM staff;
+
+   SELECT DISTINCT 
+    release_year 
+FROM 
+    film;
+
+    SELECT 
+    COUNT(DISTINCT payment_id) AS total_Payment
+FROM 
+  payment;
+
+SELECT 
+    store_id
+FROM 
+ store
+LIMIT 10;
+
+    SELECT 
+    COUNT(DISTINCT payment_id) AS total_payment
+FROM 
+payment;
+
+SELECT 
+    store_id 
+FROM 
+store
+LIMIT 10;
+
+    SELECT 
+    COUNT(DISTINCT staff_id) AS total_employe_number
+FROM 
+staff;
+
+SELECT  
+  staff_id
+FROM 
+staff
+LIMIT 10;
+
+    SELECT 
+    COUNT(DISTINCT film_id) AS total_for_rental_film
+
+FROM 
+inventory
+
+LIMIT 10;
+
+SELECT
+
+COUNT(DISTINCT rental_id) AS total_rented_film
+
+ FROM 
+ rental
+ LIMIT 10;
+
+    SELECT 
+    COUNT(DISTINCT staff_id) AS total_employe_number
+FROM 
+staff;
+
+SELECT 
+ staff_id
+FROM 
+staff
+LIMIT 10;
+
+SELECT 
+    COUNT(DISTINCT last_name) AS total_actor_last_name
+FROM 
+actor;
+
+SELECT 
+
+last_name
+FROM 
+actor
+LIMIT 10;
+
+SELECT 
+title
+FROM 
+ film
+ORDER BY 
+length DESC
+LIMIT 10;
+
+SELECT 
+    actor_id, 
+    first_name, 
+    last_name 
+FROM 
+    actor 
+WHERE 
+    first_name = 'SCARLETT';