[lab_sql_2] Fabiana Ferraz

lab_sql_2.sql

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+-- Instructions
+
+-- 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(DISTINCT FILM_ID)
+FROM SAKILA.INVENTORY;
+
+-- How many films have been rented?
+SELECT COUNT(FILM_ID)
+FROM SAKILA.FILM
+WHERE RENTAL_DURATION > 0;
+
+-- What is the shortest and longest rental period?
+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 MIN(LENGTH) AS 'min_duration'
+FROM SAKILA.FILM;
+
+SELECT MAX(LENGTH) AS 'max_duration'
+FROM SAKILA.FILM;
+
+-- What's the average movie duration?
+SELECT AVG(LENGTH)
+FROM SAKILA.FILM;
+
+-- What's the average movie duration expressed in format (hours, minutes)?
+SELECT AVG(LENGTH)/60
+FROM SAKILA.FILM;
+
+-- How many movies are longer than 3 hours?
+SELECT COUNT(FILM_ID)
+FROM SAKILA.FILM
+WHERE LENGTH/60 > 3;
+
+-- Get the name and email formatted. Example: Mary SMITH - mary.smith@sakilacustomer.org.
+SELECT CONCAT(UPPER(LEFT(FIRST_NAME,1)), LOWER(RIGHT(FIRST_NAME,LENGTH(FIRST_NAME)-1))) AS 'FIRST NAME', 
+UPPER(LAST_NAME) AS 'LAST NAME', LOWER(EMAIL) AS 'EMAIL'
+FROM SAKILA.CUSTOMER;
+
+-- What's the length of the longest film title?
+SELECT TITLE AS 'longest film title', LENGTH AS 'length in minutes'
+FROM SAKILA.FILM
+ORDER BY LENGTH DESC
+LIMIT 1;
+
+
+