From 46813dfe78f8cebdd444c7266a147a8ce5fb6975 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Antonio=20Chac=C3=B3n=20Guti=C3=A9rrez?=
 <138903866+joseantoniochacon@users.noreply.github.com>
Date: Fri, 31 May 2024 11:39:38 -0600
Subject: [PATCH] Time: 2261 ms (84.01%), Space: 0B (100.00%) - LeetHub

---
 ...1-customer-who-visited-but-did-not-make-any-transactions.sql | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 1581-customer-who-visited-but-did-not-make-any-transactions/1581-customer-who-visited-but-did-not-make-any-transactions.sql

diff --git a/1581-customer-who-visited-but-did-not-make-any-transactions/1581-customer-who-visited-but-did-not-make-any-transactions.sql b/1581-customer-who-visited-but-did-not-make-any-transactions/1581-customer-who-visited-but-did-not-make-any-transactions.sql
new file mode 100644
index 0000000..a949ca1
--- /dev/null
+++ b/1581-customer-who-visited-but-did-not-make-any-transactions/1581-customer-who-visited-but-did-not-make-any-transactions.sql
@@ -0,0 +1,2 @@
+# Write your MySQL query statement below
+SELECT Visits.customer_id, COUNT(*) AS count_no_trans FROM Visits LEFT JOIN Transactions ON Visits.visit_id = Transactions.visit_id WHERE Transactions.transaction_id IS NULL GROUP BY Visits.customer_id;
\ No newline at end of file