Lab Solved

lab_sql_basic_queries.sql

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+-- 1. 
+SHOW TABLES;
+
+-- 2. Retrieve all the data from the tables actor, film and customer.
+SELECT *
+FROM actor; 
+
+SELECT * 
+FROM film;
+
+SELECT *
+FROM customer; 
+
+-- 3. 
+-- 3.1 
+SELECT title
+FROM film;
+
+-- 3.2 
+SELECT name AS language
+FROM language;
+
+-- 3.3
+SELECT first_name 
+FROM staff;
+
+-- 4. 
+SELECT DISTINCT release_year
+FROM film;
+
+-- 5. 
+-- 5.1
+SELECT COUNT(DISTINCT store_id) AS count_stores
+FROM store;
+
+-- 5.2 
+SELECT COUNT(DISTINCT staff_id) AS count_staff
+FROM staff;
+
+-- 5.3 
+SELECT
+	(SELECT COUNT(*) FROM inventory) AS films_available,
+    (SELECT COUNT(DISTINCT inventory_id) FROM rental) AS films_rented;
+
+-- 5.4
+SELECT COUNT(DISTINCT last_name) AS count_last_name
+FROM actor;
+
+-- 6. 
+SELECT title
+FROM film
+ORDER BY length DESC
+LIMIT 10;
+
+-- 7. 
+SELECT actor_id, first_name, last_name
+FROM actor
+WHERE first_name = 'SCARLETT'; 
+
+-- Bonus
+-- 7.2
+SELECT film_id, title
+FROM film
+WHERE title LIKE '%ARMAGEDDON%' AND length > 100;
+
+-- 7.3 
+SELECT COUNT(film_id)
+FROM film
+WHERE special_features LIKE '%Behind the Scenes%';