From 25a9394ed8d07d42324159e70dc4a7e1269e88fb Mon Sep 17 00:00:00 2001 From: Antim Pal <134076504+iamAntimPal@users.noreply.github.com> Date: Sat, 29 Mar 2025 12:04:43 +0530 Subject: [PATCH 1/2] Create 1581. Customer Who Visited but Did Not Make Any Transactions.sql --- ...81. Customer Who Visited but Did Not Make Any Transactions.sql | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 LeetCode SQL 50 Solution/176. Second heighest salary/1581. Customer Who Visited but Did Not Make Any Transactions/1581. Customer Who Visited but Did Not Make Any Transactions.sql diff --git a/LeetCode SQL 50 Solution/176. Second heighest salary/1581. Customer Who Visited but Did Not Make Any Transactions/1581. Customer Who Visited but Did Not Make Any Transactions.sql b/LeetCode SQL 50 Solution/176. Second heighest salary/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..e69de29 From 618c58a9876366c29ff60feb43657f6995f5e9d2 Mon Sep 17 00:00:00 2001 From: Antim Pal <134076504+iamAntimPal@users.noreply.github.com> Date: Sat, 29 Mar 2025 12:04:51 +0530 Subject: [PATCH 2/2] Update 1581. Customer Who Visited but Did Not Make Any Transactions.sql --- ...stomer Who Visited but Did Not Make Any Transactions.sql | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/LeetCode SQL 50 Solution/176. Second heighest salary/1581. Customer Who Visited but Did Not Make Any Transactions/1581. Customer Who Visited but Did Not Make Any Transactions.sql b/LeetCode SQL 50 Solution/176. Second heighest salary/1581. Customer Who Visited but Did Not Make Any Transactions/1581. Customer Who Visited but Did Not Make Any Transactions.sql index e69de29..21b8124 100644 --- a/LeetCode SQL 50 Solution/176. Second heighest salary/1581. Customer Who Visited but Did Not Make Any Transactions/1581. Customer Who Visited but Did Not Make Any Transactions.sql +++ b/LeetCode SQL 50 Solution/176. Second heighest salary/1581. Customer Who Visited but Did Not Make Any Transactions/1581. Customer Who Visited but Did Not Make Any Transactions.sql @@ -0,0 +1,6 @@ +# Write your MySQL query statement below +# Write your MySQL query statement below +SELECT customer_id, COUNT(*) as count_no_trans +FROM Visits +WHERE visit_id NOT IN (SELECT DISTINCT visit_id FROM Transactions) +GROUP BY customer_id; \ No newline at end of file