lab-sql-basic-queris

lab-sql-basic-queries.sql

@@ -0,0 +1,47 @@
+USE sakila;
+-- 1
+SHOW FULL TABLES;
+-- 2
+SELECT * 
+from actor;
+SELECT * FROM film; 
+SELECT * from customer; 
+-- 3.1 Titles of all films
+SELECT title
+FROM film;
+-- 3.2 Languages used in films
+SELECT name AS language
+FROM language; 
+-- 3.3 
+SELECT first_name
+FROM staff; 
+-- 4
+SELECT DISTINCT release_year
+FROM film;
+-- 5
+-- 5.1
+SELECT COUNT(*) AS number_of_stores
+FROM store;
+-- 5.2
+SELECT count(*) AS number_of_employees
+FROM staff; 
+-- 5.3 number of films available for rent 
+SELECT COUNT(*) films_availabe_for_rent
+FROM inventory;
+-- number of filsm rented
+SELECT COUNT(*) AS films_rented
+FROM rental;
+-- 5.4
+SELECT COUNT(DISTINCT last_name) AS distinct_actor_last_names
+FROM actor; 
+-- 6
+SELECT title, length
+FROM film
+ORDER BY length DESC
+LIMIT 10;
+-- 7
+SELECT * 
+FROM actor 
+WHERE first_name = "SCARLETT"
+
+