From 6f37d4814733c727c3de61033df6078ab8c2a6b1 Mon Sep 17 00:00:00 2001 From: Saurabh Date: Sat, 9 May 2026 09:30:47 +0200 Subject: [PATCH] Solved lab --- Basic_queries.sql | 77 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Basic_queries.sql diff --git a/Basic_queries.sql b/Basic_queries.sql new file mode 100644 index 0000000..95f1f7c --- /dev/null +++ b/Basic_queries.sql @@ -0,0 +1,77 @@ +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, film, customer; + +-- 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; + +-- 5.1 Determine the number of stores that the company has. +SELECT COUNT(DISTINCT store_id) +FROM store; + +-- 5.2 Determine the number of employees that the company has. +SELECT COUNT(DISTINCT staff_id) +FROM staff; + +-- 5.3 Determine how many films are available for rent and how many have been rented. +SELECT COUNT(DISTINCT inventory_id) FROM inventory; +SELECT COUNT(DISTINCT rental_id) 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 title, length +FROM film +order by length desc limit 10; + +-- 7.1 Retrieve all actors with the first name "SCARLETT". +SELECT first_name, last_name +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 title, length +FROM film +WHERE title like "%ARMAGEDDON%" AND length > 100; + +-- 7.3 Determine the number of films that include Behind the Scenes content +select count(special_features) AS "BTS count" +from film +where special_features like "%Behind the Scenes%" + + + + + + + + + + + + + + + + +