From 84305dadbc78f046df33ae69977ba2d9286fc219 Mon Sep 17 00:00:00 2001 From: Andrea Zaffe Date: Tue, 7 Jul 2026 18:13:48 +0200 Subject: [PATCH] Solved lab --- queries.sql | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 queries.sql diff --git a/queries.sql b/queries.sql new file mode 100644 index 0000000..019b91e --- /dev/null +++ b/queries.sql @@ -0,0 +1,64 @@ +USE sakila; + +-- 1 +SHOW TABLES; + +-- 2 +SELECT * FROM actor; +SELECT * FROM film; +SELECT * FROM customer; + +-- 3.1 +SELECT title +FROM film; + +-- 3.2 +SELECT name AS language +FROM language; + +-- 3.3 +SELECT first_name +FROM staff; + +-- 4 +SELECT DISTINCT release_year +FROM film; + +-- 5.1 +SELECT COUNT(*) AS number_of_stores +FROM store; + +-- 5.2 +SELECT COUNT(*) AS number_of_employees +FROM staff; + +-- 5.3 +SELECT + (SELECT COUNT(*) FROM inventory) AS films_available_for_rent, + (SELECT COUNT(*) FROM rental) AS films_rented; + +-- 5.4 +SELECT COUNT(DISTINCT last_name) AS distinct_last_names +FROM actor; + +-- 6 +SELECT title, length +FROM film +ORDER BY length DESC +LIMIT 10; + +-- 7.1 +SELECT * +FROM actor +WHERE first_name = 'SCARLETT'; + +-- 7.2 +SELECT * +FROM film +WHERE title LIKE '%ARMAGEDDON%' +AND length > 100; + +-- 7.3 +SELECT COUNT(*) AS behind_the_scenes_films +FROM film +WHERE special_features LIKE '%Behind the Scenes%'; \ No newline at end of file