Solved lab

basic_queries.sql

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+-- 1. Display all available tables in the Sakila database.
+USE sakils;
+
+show tables;
+
+-- 2. Retrieve all the data from the tables actor, film and customer.
+
+select *
+from actor;
+
+select *
+from film;
+
+select *
+from customer;
+
+-- 3. Retrieve the following columns from their respective tables:
+
+select title
+from film;
+
+select name as "language"
+from language;
+
+select first_name
+from staff;
+
+-- 4. Retrieve unique release years.
+select distinct(release_year)
+from film;
+
+-- 5. Counting records for database insights:
+select count(store_id)
+from store;
+
+select count(staff_id)
+from staff;
+
+select count(inventory_id), count(rental_id)
+from rental;
+
+select count(distinct(last_name))
+from actor;
+
+-- 6. Retrieve the 10 longest films.
+
+select length, title
+from film
+order by length desc
+limit 10;
+
+-- 7. Use filtering techniques in order to:
+
+select first_name
+from actor
+where first_name = "SCARLETT";
+
+select title
+from film
+where title like "%ARMAGEDDON%" and length > 100;
+
+select special_features, title
+from film
+where special_features like "%Behind the Scenes%";
+
+
+
+