diff --git a/sakila_basic.sql b/sakila_basic.sql new file mode 100644 index 0000000..d1e4a8d --- /dev/null +++ b/sakila_basic.sql @@ -0,0 +1,87 @@ +-- 1. Display all available tables in the Sakila database +USE sakila; +SHOW TABLES; + +-- 2. Retrieve all the data from the tables 'actor', 'film' and 'customer'. + +SELECT * FROM sakila.actor; +SELECT * FROM sakila.film; +SELECT * FROM sakila.customer; + +-- 3. Retrieve the following columns from their respective tables: +-- 3.1 Titles of all films from the `film` table + +SELECT title +FROM sakila.film; + +-- 3.2 List of languages used in films, with the column aliased as `language` from the `language` table + +SELECT name as language +FROM sakila.language; + +-- 3.3 List of first names of all employees from the `staff` table + +SELECT first_name +FROM sakila.staff; + +-- 4. Retrieve unique release years. +SELECT DISTINCT(release_year) +FROM sakila.film; + +-- 5. Counting records for database insights: +-- 5.1 Determine the number of stores that the company has. +SELECT COUNT(store_id) +FROM sakila.store; + +-- 5.2 Determine the number of employees that the company has. +SELECT * FROM sakila.staff; +SELECT SUM(active) +FROM sakila.staff; + +-- 5.3 Determine how many films are available for rent and how many have been rented. +SELECT COUNT(*) AS films_available +FROM sakila.inventory; + +SELECT COUNT(*) AS films_rented +FROM sakila.rental; + +-- 5.4 Determine the number of distinct last names of the actors in the database. +SELECT * +FROM sakila.actor; +SELECT DISTINCT(last_name) +FROM sakila.actor; + +-- 6. Retrieve the 10 longest films. +SELECT * FROM sakila.film; + +SELECT * +FROM sakila.film +ORDER BY length DESC +LIMIT 10; + +SELECT title, length +FROM sakila.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 sakila.actor; + +SELECT * +FROM sakila.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 * FROM sakila.film; +SELECT * +FROM sakila.film +WHERE title = 'ARMAGEDDON' + AND length > 100; + +-- 7.3 Determine the number of films that include Behind the Scenes content +SELECT * FROM sakila.film; +SELECT COUNT(*) AS films_with_behind_the_scenes +FROM sakila.film +WHERE special_features LIKE '%Behind the Scenes%'; +