From b25cfa0a6e2bc6980ef1361a641c0b0b7803f45b Mon Sep 17 00:00:00 2001
From: durgainnovative <durgainnovative@gmail.com>
Date: Sat, 9 May 2026 15:30:01 +0200
Subject: [PATCH] Query_lab_solved

---
 basic_queries.sql | 75 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 basic_queries.sql

diff --git a/basic_queries.sql b/basic_queries.sql
new file mode 100644
index 0000000..57edf39
--- /dev/null
+++ b/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 actor, film, and customer tables
+SELECT * FROM actor;
+SELECT * FROM film;
+SELECT * FROM customer;
+
+-- 3. Retrieve specific columns
+
+-- 3.1 Titles of all films
+SELECT title
+FROM film;
+
+-- 3.2 List of languages used in films
+SELECT name AS language
+FROM language;
+
+-- 3.3 First names of all employees
+SELECT first_name
+FROM staff;
+
+-- 4. Retrieve unique release years
+SELECT DISTINCT release_year
+FROM film;
+
+-- 5. Counting records for database insights
+
+-- 5.1 Number of stores
+SELECT COUNT(*) AS number_of_stores
+FROM store;
+
+-- 5.2 Number of employees
+SELECT COUNT(*) AS number_of_employees
+FROM staff;
+
+-- 5.3 Number of films available for rent and rented films
+
+-- Total films available for rent
+SELECT COUNT(*) AS films_available
+FROM inventory;
+
+-- Total rented films
+SELECT COUNT(DISTINCT inventory_id) AS films_rented
+FROM rental;
+
+-- 5.4 Number of distinct actor last names
+SELECT COUNT(DISTINCT last_name) AS distinct_last_names
+FROM actor;
+
+-- 6. Retrieve the 10 longest films
+SELECT title, length
+FROM film
+ORDER BY length DESC
+LIMIT 10;
+
+-- 7. Filtering techniques
+
+-- 7.1 Actors with the first name 'SCARLETT'
+SELECT *
+FROM actor
+WHERE first_name = 'SCARLETT';
+
+-- 7.2 Movies containing 'ARMAGEDDON' in the title
+-- and duration longer than 100 minutes
+SELECT title, length
+FROM film
+WHERE title LIKE '%ARMAGEDDON%'
+AND length > 100;
+
+-- 7.3 Number of films with 'Behind the Scenes' content
+SELECT COUNT(*) AS behind_the_scenes_films
+FROM film
+WHERE special_features LIKE '%Behind the Scenes%';
\ No newline at end of file