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lab basic queries completed #584

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8117da1
lab basic queries completed
ab-gal Dec 10, 2025
4c12c5b
lab improved
ab-gal Dec 10, 2025
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32 changes: 32 additions & 0 deletions lab-sql-basic-queries.sql
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Original file line number Diff line number Diff line change
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USE sakila;
show tables;

-- 2
SELECT * FROM actor;
SELECT * FROM film;
SELECT * FROM customer;

-- 3
SELECT title FROM film;
SELECT name AS language FROM language;
SELECT first_name FROM staff;

-- 4
SELECT DISTINCT release_year FROM film;

-- 5
SELECT COUNT(store_id) FROM store;
SELECT COUNT(staff_id) FROM staff;

SELECT COUNT(*) FROM film;
SELECT COUNT(*) FROM rental;

SELECT COUNT(DISTINCT last_name) FROM actor;

-- 6
SELECT DISTINCT `length` FROM film
ORDER BY `length` DESC LIMIT 10;

-- 7
SELECT * from actor
WHERE first_name = "SCARLETT";