diff --git a/lab-sql-basic-queries.sql b/lab-sql-basic-queries.sql new file mode 100644 index 0000000..db73612 --- /dev/null +++ b/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" + +