Solved lab_AA

lab-basic-queries.sql

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+USE sakila;
+
+-- Display all available tables in Sakila database
+SHOW TABLES;
+
+-- Retrieve all the data from the tables actor, film and customer.
+SELECT * FROM actor;
+SELECT * FROM film;
+SELECT * FROM customer;
+
+-- Titles of all films from the film table.
+SELECT title FROM film;
+
+-- List of languages used in films, with the column aliased as language from the language table.
+SELECT name AS language
+FROM language;
+
+-- List of first names of all employees from the staff table.
+SELECT first_name FROM staff;
+
+-- Retrieve unique release years.
+SELECT DISTINCT release_year
+FROM film;
+
+-- Determine the number of stores that the company has.
+SELECT COUNT(store_id) AS number_of_stores
+FROM store;
+
+-- Determine the number of employees that the company has.
+SELECT COUNT(staff_id) AS number_of_employees
+FROM staff;
+
+-- Determine how many films are available for rent and how many have been rented.
+SELECT COUNT(inventory_id) AS number_of_films_available
+FROM inventory;
+
+SELECT COUNT(rental_id) AS number_of_films_rented
+FROM rental;
+
+-- Determine the number of distinct last names of the actors in the database.
+SELECT COUNT(DISTINCT last_name) AS unique_last_names
+FROM actor;
+
+-- Retrieve the 10 longest films.
+SELECT title, length
+FROM film
+ORDER BY length DESC
+LIMIT 10;
+
+-- Retrieve all actors with the first name "SCARLETT".
+SELECT first_name, last_name
+FROM actor
+WHERE first_name = "SCARLETT";
+
+-- Retrieve all movies that have ARMAGEDDON in their title and have a duration longer than 100 minutes.
+SELECT title, length
+FROM film
+WHERE title LIKE '%ARMAGEDDON%' AND length >= 100
+ORDER BY length DESC;
+
+-- Determine the number of films that include Behind the Scenes content
+SELECT COUNT(special_features)
+FROM film
+WHERE special_features LIKE '%Behind the Scenes%'