[lab-sql-2]Tiago

[lab-sql-2]Tiago.sql

@@ -0,0 +1,53 @@
+# 1 Select all the actors with the first name ‘Scarlett’.
+select *
+from sakila.actor
+where first_name = 'Scarlett';
+
+# 2 Select all the actors with the last name ‘Johansson’.
+select *
+from sakila.actor
+where last_name = 'Johansson';
+
+
+# 3 How many films (movies) are available for rent?
+select count(distinct film_id)
+from sakila.inventory
+;
+
+# 4 How many films have been rented?
+select count(rental_id)
+from sakila.rental
+;
+
+# 5 What is the shortest and longest rental period?
+select max(rental_duration) as max_rental_duration , min(rental_duration) as min_rental_duration
+from sakila.film
+;
+
+
+# 6 What are the shortest and longest movie duration? Name the values max_duration and min_duration.
+select max(length) as max_duration , min(length) as min_duration
+from sakila.film 
+;
+# 7 What's the average movie duration?
+select round(avg(length)) as avg_duration 
+from sakila.film 
+;
+
+# 8 What's the average movie duration expressed in format (hours, minutes)?
+select round(avg(length)) DIV 60 AS hrs, round(avg(length))  % 60 as min
+from sakila.film 
+;
+# 9 How many movies longer than 3 hours?
+select count(film_id) as Movies_longer_than_3H
+from sakila.film 
+where (length > 180)
+;
+
+# 10 Get the name and email formatted. Example: Mary SMITH - mary.smith@sakilacustomer.org.
+select concat(first_name, " ",last_name," - ", lower(email)) as Name_email
+from sakila.customer 
+;
+# 11 What's the length of the longest film title?
+select max(length(title)) as longest_film_title
+from sakila.film;