Solved lab

Unit9Day2Lab1.sql

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+USE sakila;
+
+-- 1. Display all available tables in the Sakila database.
+SHOW TABLES;
+
+-- 2. Retrieve all the data from the tables `actor`, `film` and `customer`.
+SELECT * FROM actor;
+SELECT * FROM film;
+SELECT * FROM customer;
+
+-- 3. Retrieve the following columns from their respective tables:
+	-- 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 employees from the `staff` table
+SELECT first_name FROM staff;
+
+-- 4. Retrieve unique release years.
+SELECT DISTINCT release_year 
+FROM film;
+
+-- 5. Counting records for database insights:
+	-- 5.1 Determine the number of stores that the company has.
+SELECT COUNT(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.
+		-- Total inventory
+SELECT COUNT(inventory_id) FROM inventory;
+		-- Rented 
+SELECT COUNT(rental_id) FROM rental;
+
+	--  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, length 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 * 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 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(*) FROM film WHERE special_features LIKE '%Behind the Scenes%';
+