lab2feitosql[joao almeida]

.github/lab2-sql.sql

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+-- Select all the actors with the first name ‘Scarlett
+
+select *
+from sakila.actor
+where first_name = 'Scarlett';
+
+-- Select all the actors with the last name ‘Johansson’.
+
+select *
+from sakila.actor
+where capital_surname = 'Johansson';
+
+-- How many films (movies) are available for rent? 4581
+
+select count(film_id)
+from sakila.inventory;
+
+-- How many films have been rented? 16044
+
+select count(rental_id)
+from sakila.rental;
+
+-- What is the shortest and longest rental period? 7 max and 3 min
+
+select max(rental_duration) 
+from sakila.film;
+
+select min(rental_duration)
+from sakila.film;
+
+-- What are the shortest and longest movie duration? Name the values max_duration and min_duration.
+
+select *
+from sakila.film;
+
+select min(length) as min_duration
+from sakila.film;
+
+select max(length) as max_duration 
+from sakila.film;
+
+-- What's the average movie duration? 115.2720
+
+select avg(length)
+from sakila.film;
+
+-- What's the average movie duration expressed in format (hours, minutes)? 01:55 H
+
+
+select 
+	TIME_FORMAT(SEC_TO_TIME(AVG(LENGTH * 60)), '%H:%i') as 
+    average_duration_hoursandminutes
+    from sakila.film;
+
+-- How many movies longer than 3 hours? 39
+
+select count(*)
+from sakila.film
+where length > 180;
+
+-- Get the name and email formatted. Example: Mary SMITH - mary.smith@sakilacustomer.org.
+
+
+
+-- What's the length of the longest film title? 27
+
+select *
+from sakila.film;
+
+select MAX(length(title)) as longest_film_length
+from sakila.film;

.github/lab2-sqlfeito.sql

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+-- Select all the actors with the first name ‘Scarlett
+
+select *
+from sakila.actor
+where first_name = 'Scarlett';
+
+-- Select all the actors with the last name ‘Johansson’.
+
+select *
+from sakila.actor
+where capital_surname = 'Johansson';
+
+-- How many films (movies) are available for rent? 4581
+
+select count(film_id)
+from sakila.inventory;
+
+-- How many films have been rented? 16044
+
+select count(rental_id)
+from sakila.rental;
+
+-- What is the shortest and longest rental period? 7 max and 3 min
+
+select max(rental_duration) 
+from sakila.film;
+
+select min(rental_duration)
+from sakila.film;
+
+-- What are the shortest and longest movie duration? Name the values max_duration and min_duration.
+
+select *
+from sakila.film;
+
+select min(length) as min_duration
+from sakila.film;
+
+select max(length) as max_duration 
+from sakila.film;
+
+-- What's the average movie duration? 115.2720
+
+select avg(length)
+from sakila.film;
+
+-- What's the average movie duration expressed in format (hours, minutes)? 01:55 H
+
+
+select 
+	TIME_FORMAT(SEC_TO_TIME(AVG(LENGTH * 60)), '%H:%i') as 
+    average_duration_hoursandminutes
+    from sakila.film;
+
+-- How many movies longer than 3 hours? 39
+
+select count(*)
+from sakila.film
+where length > 180;
+
+-- Get the name and email formatted. Example: Mary SMITH - mary.smith@sakilacustomer.org.
+
+
+CONCAT(UCASE(FIRST_NAME), ' ', UCASE(LAST_NAME), ' - ', LOWER(EMAIL)) AS FORMATED_NAME_AND_EMAIL
+FROM SAKILA.CUSTOMER;
+
+
+-- What's the length of the longest film title? 27
+
+select *
+from sakila.film;
+
+select MAX(length(title)) as longest_film_length
+from sakila.film;

lab2-sqlfeito.sql

@@ -0,0 +1,74 @@
+-- Select all the actors with the first name ‘Scarlett
+
+select *
+from sakila.actor
+where first_name = 'Scarlett';
+
+-- Select all the actors with the last name ‘Johansson’.
+
+select *
+from sakila.actor
+where capital_surname = 'Johansson';
+
+-- How many films (movies) are available for rent? 4581
+
+select count(film_id)
+from sakila.inventory;
+
+-- How many films have been rented? 16044
+
+select count(rental_id)
+from sakila.rental;
+
+-- What is the shortest and longest rental period? 7 max and 3 min
+
+select max(rental_duration) 
+from sakila.film;
+
+select min(rental_duration)
+from sakila.film;
+
+-- What are the shortest and longest movie duration? Name the values max_duration and min_duration.
+
+select *
+from sakila.film;
+
+select min(length) as min_duration
+from sakila.film;
+
+select max(length) as max_duration 
+from sakila.film;
+
+-- What's the average movie duration? 115.2720
+
+select avg(length)
+from sakila.film;
+
+-- What's the average movie duration expressed in format (hours, minutes)? 01:55 H
+
+
+select 
+	TIME_FORMAT(SEC_TO_TIME(AVG(LENGTH * 60)), '%H:%i') as 
+    average_duration_hoursandminutes
+    from sakila.film;
+
+-- How many movies longer than 3 hours? 39
+
+select count(*)
+from sakila.film
+where length > 180;
+
+-- Get the name and email formatted. Example: Mary SMITH - mary.smith@sakilacustomer.org.
+
+
+CONCAT(UCASE(FIRST_NAME), ' ', UCASE(LAST_NAME), ' - ', LOWER(EMAIL)) AS FORMATED_NAME_AND_EMAIL
+FROM SAKILA.CUSTOMER;
+
+
+-- What's the length of the longest film title? 27
+
+select *
+from sakila.film;
+
+select MAX(length(title)) as longest_film_length
+from sakila.film;