diff --git a/Basic_queries_lab.sql b/Basic_queries_lab.sql
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+USE sakila;
+
+-- 1. Display all available tables in the Sakila database.
+USE sakila;
+SHOW TABLES;
+
+-- 2. Retrieve all the data from the tables actor, film and customer.
+SELECT * FROM sakila.actor;
+SELECT * FROM sakila.film;
+SELECT * FROM sakila.customer;
+
+-- Additional queries
+SELECT * FROM sakila.address;
+SELECT * FROM sakila.cars;
+SELECT * FROM sakila.category;
+SELECT * FROM sakila.city;
+SELECT * FROM sakila.country;
+SELECT * FROM sakila.customer;
+SELECT * FROM sakila.customers;
+SELECT * FROM sakila.film_category;
+SELECT * FROM sakila.film_text;
+SELECT * FROM sakila.inventory;
+SELECT * FROM sakila.invoices;
+SELECT * FROM sakila.language;
+SELECT * FROM sakila.payment;
+SELECT * FROM sakila.rental;
+SELECT * FROM sakila.staff;
+SELECT * FROM sakila.store;
+
+-- 3. Retriefilmve the following columns from their respective tables:  
+
+
+-- 3.1 Titles of all films from the film table
+SELECT title FROM sakila.film;
+
+-- 3.2 List of languages used in films, with the column aliased as language from the language table
+SELECT name as 'language' FROM sakila.language;
+
+-- 3.3 List of first names of all employees from the staff table
+SELECT first_name FROM sakila.staff;
+
+
+-- 4. Retrieve unique release years.
+
+SELECT DISTINCT release_year FROM sakila.film;
+
+-- 5. Counting records for database insights:
+
+-- 5.1 Determine the number of stores that the company has.
+SELECT count(store_id) FROM sakila.store;
+
+-- 5.2 Determine the number of employees that the company has.
+SELECT count(staff_id) FROM sakila.staff;
+
+-- 5.3 Determine how many films are available for rent and how many have been rented.
+-- first attempt
+-- SELECT count(rental_date), count(return_date) FROM sakila.rental;
+
+-- How many film copies are available in the inventory?
+SELECT COUNT(*) AS 'films available'
+FROM sakila.inventory;
+
+-- How many rental transactions have occurred?
+SELECT COUNT(*) AS 'films rented'
+FROM sakila.rental;
+
+SELECT
+    i.inventory_id,
+    i.film_id,
+    r.rental_date,
+    r.return_date
+FROM sakila.inventory AS i
+LEFT JOIN sakila.rental AS r
+    ON i.inventory_id = r.inventory_id;
+
+
+
+-- 5.4 Determine the number of distinct last names of the actors in the database.
+SELECT count(distinct last_name) FROM sakila.actor;
+
+-- 6. Retrieve the 10 longest films.
+SELECT title, length FROM sakila.film
+ORDER BY length DESC
+LIMIT 10;
+
+-- 7. Use filtering techniques in order to: 7.1 Retrieve all actors with the first name "SCARLETT".
+SELECT * FROM sakila.actor
+WHERE first_name = 'SCARLETT';
+
+
+
+
+
+
+
+
+