From 44220133ddd2733505190131a146a6d44de094e3 Mon Sep 17 00:00:00 2001
From: Giuliana Miranda <miranda.giuliana@gmail.com>
Date: Fri, 1 Dec 2023 17:52:08 +0000
Subject: [PATCH] Lab done

---
 [lab-sql-self-cross-join]Giuliana.sql | 30 +++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 [lab-sql-self-cross-join]Giuliana.sql

diff --git a/[lab-sql-self-cross-join]Giuliana.sql b/[lab-sql-self-cross-join]Giuliana.sql
new file mode 100644
index 0000000..a141018
--- /dev/null
+++ b/[lab-sql-self-cross-join]Giuliana.sql
@@ -0,0 +1,30 @@
+-- Get all pairs of actors that worked together.
+select f1.actor_id as Actor_1, f2.actor_id as Actor_2, f1.film_id
+from sakila.film_actor f1
+inner join sakila.film_actor f2
+on f1.film_id = f2.film_id
+and f2.actor_id <> f1.actor_id
+order by f1.film_id;
+
+-- Get all pairs of customers that have rented the same film more than 3 times.
+select distinct c.customer_id as Customer_1, c2.customer_id as Customer_2, count(*) as same_films
+from sakila.customer c
+inner join sakila.rental r
+on c.customer_id = r.customer_id
+inner join sakila.inventory i
+on r.inventory_id = i.inventory_id
+inner join sakila.inventory i2
+on i.film_id = i2.film_id
+inner join sakila.rental r2
+on r2.inventory_id = i2.inventory_id
+inner join sakila.customer c2
+on c2.customer_id = r2.customer_id
+and c.customer_id <> c2.customer_id
+group by 1,2
+having same_films > 3
+order by same_films desc;
+
+
+-- Get all possible pairs of actors and films
+select concat(first_name, ' ', last_name) as actor_full_name, title as film_title from sakila.actor
+cross join sakila.film;
\ No newline at end of file