Solved Lab

sql_basic_queries_lab.sql

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+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;
+
+-- 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;
+
+-- 5.1 Determine the number of stores that the company has
+
+SELECT COUNT(*) AS total_stores
+FROM store;
+
+-- 5.2 Determine the number of employees that the company has.
+
+SELECT COUNT(*) AS total_employees
+FROM staff;
+
+-- 5.3 Determine how many films are available for rent and how many have been rented.
+
+SELECT COUNT(*) AS available_films
+FROM inventory;
+
+SELECT COUNT(DISTINCT inventory_id) AS rented_films
+FROM rental;
+-- 5.4 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;
+
+-- 7.1 Retrieve all actors with the first name "SCARLETT"
+
+SELECT *
+FROM actor
+WHERE first_name = 'SCARLETT';
+
+-- 7.2 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;
+
+-- 7.3 Determine the number of films that include Behind the Scenes content
+
+SELECT COUNT(*) AS behind_the_scenes_films
+FROM film
+WHERE special_features LIKE '%Behind the Scenes%';