From 153d51aaef3a67597b5029fb2a9e2c21915e81dd Mon Sep 17 00:00:00 2001
From: GarriguesElena <garrigueselena@gmail.com>
Date: Tue, 7 Jul 2026 15:41:12 +0200
Subject: [PATCH] sql_basic_queries lab solved

sql_basic_queries lab solved
---
 sql_basic_queries.sql | 59 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 sql_basic_queries.sql

diff --git a/sql_basic_queries.sql b/sql_basic_queries.sql
new file mode 100644
index 0000000..33be54b
--- /dev/null
+++ b/sql_basic_queries.sql
@@ -0,0 +1,59 @@
+USE sakila;
+
+-- 1.Display all available tables in the Sakila database.
+SHOW FULL 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(*) FROM store;
+
+-- 5.2 Determine the number of employees that the company has.
+SELECT COUNT(*) FROM staff;
+
+-- 5.3 Determine how many films are available for rent and how many have been rented.
+SELECT COUNT(*) AS available_for_rent FROM inventory;
+
+SELECT COUNT(*) AS rented FROM rental;
+
+-- 5.4 Determine the number of distinct last names of the actors in the database.
+SELECT DISTINCT last_name FROM actor;
+
+-- 6. Retrieve the 10 longest films.
+SELECT length, title
+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 LIKE "SCARLETT";
+
+-- 7.2 Retrieve all movies that have ARMAGEDDON in their title and have a duration longer than 100 minutes.
+SELECT * 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%";