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+-- Use the sakila database to do the following tasks:
+USE sakila;
+-- Display all available tables in the Sakila database.
+SHOW TABLES;
+-- Retrieve all the data from the tables actor, film and customer.
+SELECT * FROM actor;
+SELECT * FROM film; 
+SELECT * FROM customer;
+
+-- Retrieve the following columns from their respective tables:
+
+-- 3.1 Titles of all films from the film table
+SELECT film_id, language_id FROM film;
+
+ -- 3.2 List of languages used in films, with the column aliased as language from the language table
+ SELECT name AS language FROM language; 
+ 
+-- 3.3 List of first names of all employees from the staff table
+SELECT first_name FROM staff;
+
+-- 4. Retrieve unique release years.
+SELECT DISTINCT release_year FROM film
+ORDER BY release_year ASC;
+
+-- Counting records for database insights:
+
+-- 5.1 Determine the number of stores that the company has.
+SELECT COUNT(DISTINCT store_id) FROM store;
+-- 5.2 Determine the number of employees that the company has.
+SELECT COUNT(staff_id) FROM staff;
+-- 5.3 Determine how many films are available for rent and how many have been rented.
+
+-- Films that have been rented (Total Rental History)
+SELECT COUNT(*) FROM rental;
+-- Films currently rented
+SELECT COUNT(*) FROM rental
+WHERE return_date is NULL;
+-- Filmd available for rent
+SELECT COUNT(*) FROM inventory;
+
+-- 5.4 Determine the number of distinct last names of the actors in the database.
+SELECT COUNT(DISTINCT last_name) FROM actor;
+
+-- 6. Retrieve the 10 longest films.
+SELECT title FROM film ORDER BY length DESC LIMIT 10;
+-- 7. Use filtering techniques in order to:
+-- 7.1 Retrieve all actors with the first name "SCARLETT".
+SELECT actor_id, first_name FROM actor 
+WHERE first_name = "SCARLETT";
+
+-- BONUS:
+-- 7.2 Retrieve all movies that have ARMAGEDDON in their title and have a duration longer than 100 minutes.
+SELECT * FROM film
+WHERE title LIKE '%ARMAGEDDON%' AND length > 100;
+-- 7.3 Determine the number of films that include Behind the Scenes content
+SELECT COUNT(*) FROM film 
+WHERE special_features LIKE '%BEHIND THE SCENES%';