pulling to fix push error

lab-sql-2.sql

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+use sakila;
+
+-- 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 last_name='Johansson';
+
+-- How many films (movies) are available for rent?
+select count(inventory_id) from inventory;
+
+-- How many films have been rented?
+select count(rental_id) from rental;
+
+-- What is the shortest and longest rental period?
+-- shortest
+select rental_duration as shortest_rental
+from film
+order by rental_duration asc
+limit 1;
+
+select min(rental_duration)
+from film;
+
+-- longest
+select rental_duration 
+from film
+order by rental_duration desc
+limit 1;
+
+select max(rental_duration)
+from film;
+
+-- What are the shortest and longest movie duration? Name the values max_duration and min_duration
+
+select min(length) as 'min_duration'
+from film;
+
+select max(length) as 'max_duration'
+from film;
+
+
+-- What's the average movie duration?
+select avg(length)
+from film;
+
+-- What's the average movie duration expressed in format (hours, minutes)?
+select avg(length)
+from film;
+
+select sec_to_time(AVG(film.length)*60) AS avg_duration
+FROM film;
+-- esta função lê qualquer número como segundos e o transforma em formato de tempo, então, como nosso dado era em minutos, 
+#precisamos primeiro multiplicar por 60, pra transformar em segundos
+
+select CONCAT(FLOOR(AVG(film.length)/60) AS avg_duration
+from film;
+-- aqui, a função floor() arredonda a divisão pra baixo 'h'
+
+select ROUND(AVG(film.length)%60) as avg_duration
+from film; -- e aqui, os minutos restantes podem ser arredondados pra qualquer lado
+
+-- acho que ta faltando algo; ainda vou pesquisar melhor essas funções;
+
+-- How many movies longer than 3 hours? 
+select count(length)
+from film
+where length > '180';
+
+
+-- Get the name and email formatted. Example: Mary SMITH - mary.smith@sakilacustomer.org.
+select concat(lower(first_name),' ',last_name, '-', email)
+from customer;
+
+-- What's the length of the longest film title?
+select max(length(title))
+from film;
+