From 9e550032650db47f98e34f5b14aae9941acb5623 Mon Sep 17 00:00:00 2001
From: Pranathi <pdeepak1@toromail.csudh.edu>
Date: Mon, 9 Jun 2025 16:35:05 -0700
Subject: [PATCH] MockSQL2 Submitted

---
 Problem1.sql | 3 +++
 Problem2.sql | 2 ++
 2 files changed, 5 insertions(+)
 create mode 100644 Problem1.sql
 create mode 100644 Problem2.sql

diff --git a/Problem1.sql b/Problem1.sql
new file mode 100644
index 0000000..56856c8
--- /dev/null
+++ b/Problem1.sql
@@ -0,0 +1,3 @@
+WITH CTE AS (SELECT *, DENSE_RANK()
+OVER(PARTITION BY product_id ORDER BY year) as 'first_year' from sales )
+Select product_id, year as 'first_year', quantity, price from CTE where first_year = 1
\ No newline at end of file
diff --git a/Problem2.sql b/Problem2.sql
new file mode 100644
index 0000000..187a2e8
--- /dev/null
+++ b/Problem2.sql
@@ -0,0 +1,2 @@
+SELECT customer_id from customer group by customer_id
+having COUNT(Distinct product_key) = (Select COUNT(distinct product_key) from product)
\ No newline at end of file