Revert "SQL lab basic queries"

-- 1.sql

@@ -0,0 +1,56 @@
+-- 1. Display all availabe tables in the Sakila database 
+USE sakila;
+SHOW TABLES;
+
+-- 2. Retrieve all data from the tables actor , film and customer 
+SELECT * FROM actor;
+SELECT * FROM film;
+SELECT * FROM customer;
+
+-- 3.1 Titles of all films from the film table
+SELECT title 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 employess from the staff table 
+SELECT first_name FROM staff;
+
+-- 4. Retrieve unique release years 
+SELECT DISTINCT release_year FROM film;
+
+-- 5.1 Determine the number of stores that the company has 
+SELECT COUNT(*) AS number_of_stores FROM store;
+-- 5.2 Determine the number of employees that the company has 
+SELECT COUNT(*) AS number_of_employees FROM staff;
+-- 5.3 Determine how many films are available for rent and how many have been rented 
+SELECT 
+    COUNT(*) AS total_films_available 
+FROM inventory;
+
+SELECT 
+    COUNT(DISTINCT inventory_id) AS films_that_have_been_rented FROM rental;
+
+-- 5.4 Determine the number of distinct last names of the actors in the database 
+SELECT COUNT(DISTINCT last_name) AS distinct_actor_last_names FROM actor;
+
+-- 6. Retrieve the 10 longest films 
+SELECT title ,length 
+FROM film
+ORDER BY length DESC
+LIMIT 10;
+
+-- 7.1 Retrieve all actors with the first name "SCARLETT"
+SELECT * 
+FROM actor
+WHERE first_name = 'SCARLETT';
+
+-- BONUS 7.2 Retrieve a;; 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;
+
+-- BONUS 7.3 Determine the number of films that include Behind the Scenes content 
+SELECT COUNT(*) AS films_with_behid_the_scenes
+FROM film
+WHERE special_features LIKE '%Behind the Scenes%';