From 47980118a0550a12fd7694c2a714c13899c757b5 Mon Sep 17 00:00:00 2001
From: nadiyashahaibi-DA <nadiya.shahaibi@gmail.com>
Date: Tue, 4 Aug 2026 22:27:08 +0100
Subject: [PATCH]  Completed lab

---
 lab-sql-basic-queries.sql | 75 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 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..84059d2
--- /dev/null
+++ b/lab-sql-basic-queries.sql
@@ -0,0 +1,75 @@
+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(*) AS number_of_stores FROM store; 
+
+-- 5.2 Determine the number of employees that the company has.
+
+SELECT COUNT(*) AS number_of_employees from 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 inventory;
+SELECT COUNT(*) AS films_rented FROM rental;
+
+-- 5.4 Determine the number of distinct last names of the actors in the database.
+
+SELECT COUNT(DISTINCT last_name) AS distinct_actor_last_names 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 actor_id, first_name, last_name
+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 '%ARMAGEDON%'
+AND length > 100;
+
+-- 7.3 Determine the number of films that include Behind the Scenes content
+
+SELECT COUNT(*) AS films_with_behind_scenes
+FROM film
+WHERE special_features LIKE '%Behind the Scenes%';
+