From 51d2ff2db3d868378e94735ae39b479e6422a870 Mon Sep 17 00:00:00 2001 From: Dimple Kumari <114878264+Dimple-01@users.noreply.github.com> Date: Fri, 14 Jun 2024 12:55:46 +0530 Subject: [PATCH] Time: 1542 ms (87.33%) | Memory: 0B (100.00%) - LeetSync --- ...tomer-who-visited-but-did-not-make-any-transactions.sql | 7 +++++++ 1 file changed, 7 insertions(+) create mode 100644 1724-customer-who-visited-but-did-not-make-any-transactions/customer-who-visited-but-did-not-make-any-transactions.sql diff --git a/1724-customer-who-visited-but-did-not-make-any-transactions/customer-who-visited-but-did-not-make-any-transactions.sql b/1724-customer-who-visited-but-did-not-make-any-transactions/customer-who-visited-but-did-not-make-any-transactions.sql new file mode 100644 index 0000000..a382f49 --- /dev/null +++ b/1724-customer-who-visited-but-did-not-make-any-transactions/customer-who-visited-but-did-not-make-any-transactions.sql @@ -0,0 +1,7 @@ +# Write your MySQL query statement below +select customer_id,count(customer_id) as count_no_trans +from Visits as v +left join Transactions as t +on v.visit_id = t.visit_id +where t.transaction_id is null +group by customer_id;