From af3aa18d22716ccf24adee30e12684297e555679 Mon Sep 17 00:00:00 2001
From: Francisca <francisca_andrade1999@hotmail.com>
Date: Tue, 3 Mar 2026 15:29:09 +0000
Subject: [PATCH] Solved Lab

---
 lab-sql-basic-queries.sql | 62 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 lab-sql-basic-queries.sql

diff --git a/lab-sql-basic-queries.sql b/lab-sql-basic-queries.sql
new file mode 100644
index 0000000..c2d638e
--- /dev/null
+++ b/lab-sql-basic-queries.sql
@@ -0,0 +1,62 @@
+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 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 COUNT(staff_id) FROM sakila.staff;
+
+-- 5.3 Determine how many films are available for rent and how many have been rented.
+SELECT COUNT(*) AS films_available_for_rent FROM sakila.inventory;
+SELECT COUNT(DISTINCT inventory_id) AS films_rented FROM sakila.rental;
+
+-- 5.4 Determine the number of distinct last names of the actors in the database.
+SELECT COUNT(DISTINCT last_name) FROM sakila.actor;
+
+-- 6. Retrieve the 10 longest films.
+SELECT * 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
+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 * FROM sakila.film
+WHERE title LIKE '%ARMAGEDDON%' AND length > 100;
+
+-- 7.3 Determine the number of films that include Behind the Scenes content
+SELECT * FROM sakila.film
+WHERE special_features LIKE '%Behind the Scenes%';
+
+
+
+
+